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SSC JE (Electrical) Official Paper (Held On: 14 Nov 2022 Shift 3) (English)
SSC JE (Electrical) Official Paper (Held On: 14 Nov 2022 Shift 3) (English) with official questions, answers, and practice mock test.
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Section 1
General Intelligence and Reasoning
46 questions
Section Test
1
Select the word-pair in which the two words are related in the same way as are the two words in the given pair. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word) Fragile : Tough
MCQ
Correct answer: Hastily : Leisurely
2
Three different positions of the same dice are shown (Figures 1-3).Find the number on the face opposite to the face having 1 ' Figure 1 Figure 2 Figure 3
MCQ
Correct answer: 6
3
Arrange the following in a logical and meaningful order. 1. Brown 2. Brief 3. Built 4. Beach 5. Blame 6. Birth
MCQ
Correct answer: 4, 6, 5, 2, 1, 3
4
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number. 6 : 252 :: 4 : ? :: 9 : 810
MCQ
Correct answer: 80
5
In a certain code language, ‘LIMITED’ is written as ‘MJNHUFE’ and ‘NEUTRAL’ is written as ‘OFVSSBM’. How will ‘ORGANIC’ be written in that language?
MCQ
Correct answer: PSHZOJD
6
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. L R _ D L R M _ L _ M D _ _ _ D
MCQ
Correct answer: MDRLRM
7
Seven people, A, B, C, D, E, F and G, are sitting in a straight row, facing the north. Only two people sit to the left of G. Only two people sit between A and F. A sits to the left of F. D is an immediate neighbour of F to the right. Only one person sits to the right of B. E is not an immediate neighbour of G. How many people sit between E and A?
MCQ
Correct answer: 5
8
Which of the following numbers will replace the question mark (?) in the given series? 4, 15, 48, ?, 444
MCQ
Correct answer: 147
9
In a certain code language, ‘HIDE’ is written as ‘6723’ and ‘FORT’ is written as ‘4131618’. How will ‘DUTY’ be written in that language?
MCQ
Correct answer: 2191823
10
Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All dogs are pets. Some dogs are stray. Conclusions: I. Some pets are dogs. II. Some pets are stray.
MCQ
Correct answer: Both conclusions I and II follow
11
In this question, three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusion(s) logically follow(s) from the statements. Statements: All girls are students. All students are leaders. Some leaders are brave. Conclusions: I. All girls are leaders. II. Some girls are brave.
MCQ
Correct answer: Only conclusion I follows.
12
Select the number from among the given options that can replace the question mark (?) in the following series. 115, 71, 90, 89, 65, 107, ?, 125
MCQ
Correct answer: 40
13
Ten people are sitting in two parallel rows with five people each in such a way that there is equal distance between adjacent persons. In row I – P, Q, R, S and T are seated and all of them are facing south. In row II – A, B, C, D and E are seated and all of them are facing north. R sits between S and P. D sits at the extreme right end of their row exactly opposite Q. B sits at the centre of their row exactly opposite P. E sits exactly opposite R. C is the immediate neighbour of D. Who sits at the extreme left end of the row of the people facing North?
MCQ
Correct answer: A
14
Select the correct combination of mathematical signs to replace the signs and to balance the given equation. 74 32 8 6 2 82
MCQ
Correct answer: –, ÷, +, ×, =
15
In a code language, ‘FRIEND’ is written as ‘UIRVMW’, ‘STRANGER’ is written as ‘HGIZMTVI’. How will ‘CUSTOMER’ be written in that language?
MCQ
Correct answer: XFHGLNVI
16
Select the option that represents the letters that when placed from left to right in the blanks below will complete the letter series. _LM_O_I_MP_D_LM_O_I_M_OD
MCQ
Correct answer: IPDLOIPDLP
17
If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will be the value of the following expression? 45 C 23 A 60 D 15 B 3
MCQ
Correct answer: 34
18
Pointing to a lady, Prakash said, “The daughter of her only sister is the sister of my wife”. How is the lady related to Prakash?
MCQ
Correct answer: Sister of mother-in-law
19
Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1.Geography 2.Geology 3.Geometry 4.Genocide 5.Georgie 6.Gentle 7.Generation
MCQ
Correct answer: 7, 4, 6, 1, 2, 3, 5
20
Select the option that is related to the fourth term in the same way as the first term is related to the second term and fifth term is related to sixth term. 25 : 5 :: ? : 10 :: 1600 : 20
MCQ
Correct answer: 200
21
Select the option that will replace the question mark in the given figure to complete the pattern
MCQ
Correct answer: [Diagram / Option 3]
22
Which of the given letter-clusters will replace the question mark (?) in the following series? DUZB, FSXD, HQVF, ?, LMRJ
MCQ
Correct answer: JOTH
23
Select the correct mirror image of the given figure when the mirror is placed at line MN as shown.
MCQ
Correct answer: [Diagram / Option 1]
24
Select the option figure in which the given figure is embedded (rotation is NOT allowed)
MCQ
Correct answer: [Diagram / Option 2]
25
Which of the following numbers will replace the question mark (?) and complete the given number series? 375, 280, 233, 210, 199, ?
MCQ
Correct answer: 194
26
Select the correct combination of mathematical signs that can sequentially replace ‘%’ and balance the given equation. 32 % 4 % 12 % 4 % 6 % 5 % 1
MCQ
Correct answer: −, +, ÷, =, ×, +
27
Select the option that is embedded in the given figure (rotation is NOT allowed).
MCQ
Correct answer: [Diagram / Option 2]
28
Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. PARDON : NODRAP :: DELIGHT : THGILED :: EVERYTHING : ?
MCQ
Correct answer: GNIHTYREVE
29
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 16 : 36 :: 12 : ? :: 19 : 42
MCQ
Correct answer: 28
30
How many rectangles are there in the given figure?
MCQ
Correct answer: More than 11
31
Pointing at a man, Shobha said, “He is my husband’s daughter’s mother’s father.” How is that man related to Shobha?
MCQ
Correct answer: Father
32
Select the option that indicates the correct arrangement of the given words in a logical and meaningful order. 1. Elephant 2. Cat 3. Ant 4. Horse 5. Caterpillar
MCQ
Correct answer: 3, 5, 2, 4, 1
33
Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Avenue 2. Autograph 3. Avalanche 4. Automatic 5. Available 6. Autonomy
MCQ
Correct answer: 2, 4, 6, 5, 3, 1
34
Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.) Norway : Oslo :: Thailand : ?
MCQ
Correct answer: Bangkok
35
Which of the following interchanges of numbers would make the given equation correct? 12 × 7 ÷ 4 + 12 – 20 = 5
MCQ
Correct answer: 5 and 7
36
Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series. H _ K N _ Q T U W _ A _ F
MCQ
Correct answer: IOZC
37
Select the option figure in which the given figure is embedded (rotation is NOT allowed)
MCQ
Correct answer: [Diagram / Option 3]
38
Three different positions of the same dice are shown Find the number on the face opposite to the face showing 5 Fig 1 Fig 2 Fig 3
MCQ
Correct answer: [Diagram / Option 1]
39
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. _ H A _ I S _ A C _ A R I _ M A C H _ R _ S M A
MCQ
Correct answer: C R M H S A I
40
Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word) Bee : Hive
MCQ
Correct answer: Spider : Web
41
C lies on the mid-point of the horizontal line joining A and B, such that B is to the east of C. D is to the north-east of C. E is to the south of A. F is to the north-west of E and south-west of A. What is the position of D with respect to F?
MCQ
Correct answer: North-east
42
A paper is folded and cut as shown How will it appear when unfolded?
MCQ
Correct answer: [Diagram / Option 3]
43
Select the option that is related to the third word in the same way as the second word is related to the first word. (The words must be considered as meaningful English words and must not be related to each other based on the number of letters/number of consonants/vowels in the word.) Exercise : Gymnasium :: Tennis : ?
MCQ
Correct answer: Court
44
Ram starts from Point A and drives 3 km towards the east. He then takes a left turn, drives 5 km, turns left and drives 16 km. He then takes a left turn and drives 20 km. He takes a final left turn, drives13 km and stops at Point P. How far and towards which direction should he now drive in order to reach Point A again? (All turns are 90 degree turns only)
MCQ
Correct answer: 15 km, north
45
Three different positions of the same dice are shown (Figures 1-3).Find the number on the face opposite to the face showing 4 ' Figure 1 Figure 2 Figure 3
MCQ
Correct answer: 6
46
In a code language, 'costume party' is written as '75', 'dine and dance' is written as '435', 'by the beach' is written as '235'. What is the code for the phrase 'all work and no play' in this language?
MCQ
Correct answer: 34324
Section 2
General Awareness
52 questions
Section Test
47
Aman, Baban, Charu, Deepak, Esha, Fizza, and Garv are seven friends. All have different heights. Baban is taller than Fizza but shorter than Esha. Esha is not the tallest. Aman is taller than both Fizza and Charu. Charu is taller than Garv. Aman is taller than only 3 friends. Who is the tallest?
MCQ
Correct answer: Deepak
48
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 23: 253 :: 56 : ? :: 45 : 495
MCQ
Correct answer: 616
49
Select the option that is related to the fourth term in the same way as the first term is related to the second term and fifth term is related to sixth term. 91 : 6 :: ? : 7 :: 169 : 8
MCQ
Correct answer: 127
50
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order. (Starting from near to far from the Sun.) 1. Uranus 2. Neptune 3. Earth 4. Mars 5. Venus
MCQ
Correct answer: 5, 3, 4, 1, 2
51
What per cent of the population resides in rural areas, according to the Census of India 2011?
MCQ
Correct answer: 68.8%
52
Beta-carotene is present in:
MCQ
Correct answer: carrots
53
In January 2022, the Supreme Court allowed NEET counselling for PG and UG admissions for 2021-2022 based on the existing ______________ quota for Other Backward Classes (OBC) in the all-India quota.
MCQ
Correct answer: 27%
54
In the decade of 2001-2011, which of the following state experienced a negative growth rate in population growth?
MCQ
Correct answer: Nagaland
55
In which year was the famous singer Lata Mangeshkar awarded the Bharat Ratna?
MCQ
Correct answer: 2001
56
Select the correct combination from the given options.
MCQ
Correct answer: Rhizobium – Symbiotic bacteria
57
Kanaka Raju, a veteran practitioner of which of the following folk dances, was conferred the Padma Shri in 2021?
MCQ
Correct answer: Gussadi
58
Which of the following district of Bangladesh does NOT come under the Khulna division?
MCQ
Correct answer: Coxsbazar
59
Which is a colourless, odourless gas of the alkane series of hydrocarbons with a chemical formula of C3H8?
MCQ
Correct answer: Propane
60
Which of the following statements is correct?
MCQ
Correct answer: Calcium is the most abundant mineral in our body.
61
Which of the following is NOT a sign of under eating?
MCQ
Correct answer: Eating unusually large amounts of food with no apparent change in weight
62
The Arya Samaj was founded by Swami Dayanand Saraswati in:
MCQ
Correct answer: 1875
63
In which of the following years, did Mahatma Gandhi propose the Wardha Scheme of Basic Education?
MCQ
Correct answer: 1937
64
For suggesting reforms in micro finance sector, which committee was constituted?
MCQ
Correct answer: Malegam Committee
65
Which of the following halogens are solid and liquid at room temperature, respectively?
MCQ
Correct answer: Iodine and bromine
66
Which of the following states is having the lowest literacy rate in India as per the 2011 census?
MCQ
Correct answer: Bihar
67
The Rongker festival is celebrated by the Karbi tribe of ________.
MCQ
Correct answer: Assam
68
The Indian Ocean covers an area of about 73 million km2, about _________ of the total area covered by the world's oceans.
MCQ
Correct answer: 20%
69
Which of the following books was written by the Roman writer Pliny the elder in 77 AD, who wrote in this book that Rome was wasting its gold reserves by trading with India?
MCQ
Correct answer: Natural History
70
Which article of Indian constitution is related with qualifications for appointment as Governor?
MCQ
Correct answer: 157
71
Who is considered as the ‘linchpin of the Government’?
MCQ
Correct answer: Prime Minister
72
Ecological succession is defined as:
MCQ
Correct answer: process by which the mix of species and habitat in an area changes over time
73
What type of lens is a magnifying glass?
MCQ
Correct answer: Convex Lens
74
Which of the following is NOT an objective of diet therapy?
MCQ
Correct answer: Use of unrefined grains for diet control programme.
75
National income is equivalent to _________________.
MCQ
Correct answer: Net National Product at factor cost
76
Which product is derived from limestone and diatomaceous earth, and is used as an antacid and as an anticaking agent in the preparation of food?
MCQ
Correct answer: Calcium silicate
77
Who won the 2nd LG Cup Ice Hockey Championship 2022 held at the Ice Hockey Rink at NDS Sports Complex in Leh?
MCQ
Correct answer: Ladakh Scouts Regimental Centre
78
In which of the following academies were the women candidates allowed to be inducted for permanent commission in September 2021, after the intervention of the Supreme Court of India?
MCQ
Correct answer: National Defence Academy
79
Where is the Royal Ascot Racecourse situated?
MCQ
Correct answer: England
80
CnH2n belongs to which of the following?
MCQ
Correct answer: Unsaturated hydrocarbon
81
The male and female literacy rates in 2011 Census were recorded as ____% and ____%, respectively.
MCQ
Correct answer: 82.14; 65.46
82
In which year was the first national athletic meet organised in New Delhi with the efforts of Dr. AC Nehren of YMCA Madras?
MCQ
Correct answer: 1924
83
Which is the world’s largest PV Solar Park located in one of the Indian states?
MCQ
Correct answer: Bhadla Solar Park
84
In 2021, approximately what was the percentage of urban population in India?
MCQ
Correct answer: 35.4%
85
In October 2021, which Union Territory gave a financial nod to the e-health card project, conceived as a repository to store an individual’s entire medical history, which will be connected to a cloud-based health information management system?
MCQ
Correct answer: Delhi
86
Consider the following: 1) Bank rate 2) Income tax rates 3) Repo rates 4) Reverse repo rate Which of these rates is/are decided by the Reserve Bank of India?
MCQ
Correct answer: Only 1, 3 and 4
87
The Mediation Bill 2021, seeks to introduce mandatory pre-litigation mediation, requiring the attendance of parties in at least ________ mediation sessions.
MCQ
Correct answer: two
88
As per physicists and their major contributions/discoveries,Which of the following pair is INCORRECT?
MCQ
Correct answer: Paul Dirac – Liquid helium
89
_________ are plants that have seeds but no fruits.
MCQ
Correct answer: Gymnosperms
90
In which state was the Sling Dong Fairrieanum Orchid Conservation Reserve notified for the conservation of the orchid Paphiopedilum fairrieanum in the year 2008?
MCQ
Correct answer: Sikkim
91
Select the correct statement from the given options.
MCQ
Correct answer: Milk is a good source of calcium, phosphorous and protein.
92
Which of the following is a public sector asset?
MCQ
Correct answer: Post office
93
Which of the following Fundamental Rights is mentioned under Articles 32 to 35 of the Indian Constitution?
MCQ
Correct answer: Right to Constitutional Remedies
94
Which year was designated by UNESCO as the International Year of the Periodic Table (IYPT) to mark the 150th anniversary of the Mendeleev Periodic Table?
MCQ
Correct answer: 2019
95
Which physicist is well known for his work on the elementary charge of electricity and the photoelectric effect?
MCQ
Correct answer: Robert Millikan
96
The Bathukamma festival is primarily celebrated in the Indian state of _________.
MCQ
Correct answer: Telangana
97
Which Part of the Indian Constitution provides for Fundamental Rights?
MCQ
Correct answer: Part III
98
What is the name of the proposed largest sports enclave in the country, the ground breaking ceremony of which was performed by the President of India in February 2021?
MCQ
Correct answer: Sardar Vallabhbhai Sports Enclave
Section 3
General Engineering Electrical
102 questions
Section Test
99
In 1893, Swami Vivekananda participated in the All-World Religious Conference (Parliament of Religions) in ______________ in the United States of America.
MCQ
Correct answer: Chicago
100
Who is remembered as the pioneer of mitosis research and the founder of cytogenetics?
MCQ
Correct answer: Walther Flemming
101
Which of the following is a moving iron instrument's benefit?
MCQ
Correct answer: It can be used under severe over-load conditions.
102
If there is no same voltage ratio while conducting parallel operation of three-phase transformers, then it produces _________.
MCQ
Correct answer: circulating current
103
In the diode V-I characteristics, the resistance of the circuit is _____________ if a slope is drawn between the voltages 100V to 200V and the corresponding current is 5A and 20A.
MCQ
Correct answer: 6.66 Ω
104
The centre-tapped full wave rectifier's efficiency is ______.
MCQ
Correct answer: 81.2%
105
Over excited synchronous motors are used to:
MCQ
Correct answer: generate reactive power
106
A 3-phase, 1500 KVA, 6600 v, star-connected alternator has 9 slots per pole and 6 conductors per slot. The output of this alternator on a particular load is given by 1200 KW and total losses of the machine is equal to 55 kW. What is the value of percentage efficiency?
MCQ
Correct answer: 95.62
107
A two terminal network is connected to a resistive load whose resistance is equal to two times the Norton’s resistance of the network. What will be the load current if Norton’s current is IN ?
MCQ
Correct answer: [Diagram / Option 4]
108
Which of the following statements is FALSE about LED lamps?
MCQ
Correct answer: An LED is doped with silicon and germanium like all semiconductor devices.
109
Grading of cable is done in order to _____________.
MCQ
Correct answer: achieve the uniform stress
110
If the supply voltage is 160 V, the value of power dissipated in the 102 resistor will be: 100 60 15 Q 160 V
MCQ
Correct answer: 360 W
111
Primary distribution is carried out by _____________.
MCQ
Correct answer: three phase three wire system
112
The annual load duration curve is a straight line from 20 MW to 6 MW. Find the load factor.
MCQ
Correct answer: 65%
113
A single-phase transformer is fed with a rated supply and operates at no load. If the core of the transformer is air-core, then the waveform of steady state magnetising current drawn from the supply would be a ___________.
MCQ
Correct answer: pure sinusoidal wave
114
A coil has 200 turns. Find the induced EMF in it, if the flux changes from 1 mwb to 2 mwb in 0.1 sec?
MCQ
Correct answer: 2 V
115
According to BIS, the panel board and meter board are to be kept at a height of ________.
MCQ
Correct answer: 5 m
116
The quantity that describes the light giving radiant power of a luminaire in any particular direction is called ________.
MCQ
Correct answer: luminous intensity
117
A resistor of 8 Ω and a capacitor of 178μF are connected in series to a 250V, 50 Hz supply.Net impedance of the circuit is given by 19.6 Ω. What is the value of reactive power?
MCQ
Correct answer: 2912.5 VAR
118
Find the voltage drop across a 132 resistor. 13 Q 40 V
MCQ
Correct answer: 26V
119
The working principle of a BLDC motor is ________________.
MCQ
Correct answer: Lorentz force law
120
The current flowing through 61 Q resistor is: 15 A 61 Q
MCQ
Correct answer: 5A
121
The value of the current I in the figure shown below is: 120 A 24 A 2 A 14 A
MCQ
Correct answer: 112 A
122
The dual network of the figure shown below consists of 3 H 12 H 15 V
MCQ
Correct answer: a current source of 15 A, a capacitor of 3 F and a capacitor of 12 F
123
The rating of a transformer is in kVA because _______.
MCQ
Correct answer: the total losses depend on the voltage and current
124
Solar PV cells produce ________.
MCQ
Correct answer: direct current
125
For the three coupled coils in the figure shown below, calculate the total inductance 4 H 8 H 10 H 12 H 16 H 20 H
MCQ
Correct answer: 20H
126
Maximum demand is generally ________ the connected load.
MCQ
Correct answer: less than
127
The earnest money of unsuccessful tenders is refunded to the tenderers as soon as possible after ________.
MCQ
Correct answer: disposal of tenders
128
If the maximum demand is 100 kW, the load factor is 100%, then find Units generated/annum.
MCQ
Correct answer: 876 MWh
129
Tenders are ordinarily invited on tender forms prescribed for the purpose. If any alteration is to be made, it should be done after taking prior sanction of the ________.
MCQ
Correct answer: competent authority
130
The average demand is the average of loads taking place on the power station in a given period of ________.
MCQ
Correct answer: time
131
The EMF is induced only when there is ____.
MCQ
Correct answer: either magnetic flux linking with the coil changes or moving conductor links with the magnetic flux
132
The speed of the aluminum disc in an energy meter is controlled by __________.
MCQ
Correct answer: braking magnet
133
In dynamically induced EMF, the stationary part and rotating part are _____________, respectively.
MCQ
Correct answer: magnetic field and conductor
134
Corona loss in DC transmission supply is _________.
MCQ
Correct answer: less than AC
135
Two electric lamps have filaments of the same metal having the same thickness. If one of them gives 100 watt and other gives 500 watt across the same supply, then:
MCQ
Correct answer: 100 watt lamp filament has longer a length
136
Hysteresis loss depends on which of the following factors?
MCQ
Correct answer: Frequency of magnetic reversals
137
The phenomenon of fluorescence in a fluorescent lamp mainly occurs due to the presence of:
MCQ
Correct answer: phosphorous
138
Which of the following is used with a photometer for the conversion of light into electric current?
MCQ
Correct answer: Photo diode
139
If the hydroelectric power plant rating is 200 MVA and it currently supplies only 120 MVA, then what is the value of the hot reserve?
MCQ
Correct answer: 80 MVA
140
If the contractor fails to submit with bill the document of handing over charge on inventory form duly signed by the user department concerned, then the amount deducted will generally be ________.
MCQ
Correct answer: [Diagram / Option 3]
141
Which of the following statements does NOT come under the advantages of stationary armature in an alternator?
MCQ
Correct answer: Stator winding is subjected to centrifugal forces.
142
The rectifier efficiency of a half-wave rectifier is ______________ if the input power to the rectifier is 150 W and output power is 50 W.
MCQ
Correct answer: 33.33%
143
An 8 Kw, 4-Pole,220 V, 50 Hz reluctance motor has a torque angle of $30^\circ$when operating under rated load conditions Calculate load torque.
MCQ
Correct answer: TL= 51 N-m
144
The value of Iz shown in the given circuit is 1002 30 V 20 V 1 kQ
MCQ
Correct answer: 0.08 A
145
Which of the following statements is true about phasor representation of sinusoidal quantities?
MCQ
Correct answer: Represent a sinusoidal quantity by a line of definite length rotating in the counter- clockwise direction with the same angular velocity as that of sinusoidal quantity.
146
Which of the following motors is used in the application of biomedical instruments used for artificial heart pumping?
MCQ
Correct answer: Brushless DC motor
147
Stringing chart represents a graph of ________.
MCQ
Correct answer: sag and tension vs temperature
148
Which of the following statements is NOT correct about a sine wave?
MCQ
Correct answer: Time period is the number of cycles per seconds.
149
A Francis turbine is used for ________.
MCQ
Correct answer: low to medium heads
150
TUF for a half-wave rectifier and centre tapped full wave rectifier is ____________ and ____________, respectively.
MCQ
Correct answer: 28.6%; 57.2%
151
The purpose of the auxiliary motor in starting of synchronous motor is ________.
MCQ
Correct answer: to bring the synchronous motor speed near to synchronous speed
152
Capacity factors of a plant is based on ________.
MCQ
Correct answer: plant operating frequency
153
Which one of the four options is true about the circuit shown below: R 2 10 A 200 V
MCQ
Correct answer: superposition theorem cannot be applied because it contains diode
154
The formula for rms value of sinusoidal signal in terms of peak to peak voltage, Vp-p is __________.
MCQ
Correct answer: 2 V 2
155
Which law is used to determine the economic size of a conductor?
MCQ
Correct answer: Kelvin’s law
156
Which of the following statements is NOT correct about different type of waveforms?
MCQ
Correct answer: Non periodic waveforms are those that vary and repeat the waveform.
157
The pressure coil of a 3-phase 3 element energy meter rated at 415V, 50Hz, has a capacity of _______.
MCQ
Correct answer: 415V
158
The reciprocal of reluctance is called ________.
MCQ
Correct answer: permeance
159
Consider the following statements about EMF method of finding the voltage regulation and select the most appropriate option. a. Both open and short circuit data are essential for applying this method. b. The largest value of synchronous impedance obtained from the largest short circuit current is considered. c. In a practical machine, the value of synchronous impedance is a constant. d. The voltage regulation calculated by the EMF method is much higher than the actual value of regulation.
MCQ
Correct answer: Both a and d are true
160
If a source is delivering maximum power to a load, the power transfer efficiency of the circuit is always:
MCQ
Correct answer: 50%
161
The dual network of the figure shown below consists of 3 H 2 F 10 V
MCQ
Correct answer: a current source of 10 A,an inductor of 2 H and a capacitor of 3 F
162
Calculate the inductance of a coil that induces 150 V, when a current changes at the rate of 3 A/s?
MCQ
Correct answer: 50 H
163
The voltage across a 15 Q resistor in the circuit shown below will be 41 60 150 100 V
MCQ
Correct answer: 60 V
164
The torque developed by a motor while running at 1500 rpm is 206 N-m, and the shaft torque available is 200 N-m. The iron and mechanical losses, in watts, are:
MCQ
Correct answer: 300π
165
The coil of shaded pole induction a single-phase induction motor is highly ________.
MCQ
Correct answer: inductive
166
The power rating of an electric kettle is designed for _________.
MCQ
Correct answer: 2 to 3 kW
167
Which of the following best describes a LASER light?
MCQ
Correct answer: Monochromatic and coherent
168
The Vo for the circuit shown in the given figure is V provided the voltage drop across the diode is 0.3. 20 V Vo
MCQ
Correct answer: 19.7
169
According to Lenz’s law, which of the following are the parameters of cause and effect, respectively?
MCQ
Correct answer: Change of flux and induced EMF
170
Which of the following statements about armature reaction of an alternator with unity power factor is NOT true?
MCQ
Correct answer: [Diagram / Option 3]
171
Consider the following statements about cylindrical type synchronous generators and select the most appropriate option.
MCQ
Correct answer: The number of poles is relatively less and thus suitable for steam turbines.
172
Which of the following losses increase due to improper lubrication?
MCQ
Correct answer: Friction losses
173
The signal frequency in a CRO is:
MCQ
Correct answer: more than 10 MHz
174
Transistor when working in the saturation region acts as _________ and in the cut off region acts as _________.
MCQ
Correct answer: closed switch; open switch
175
The constant load current for a 230 V single phase energy metre is 20 A at unity power factor. If the meter disc makes 2300 revolutions for 2 hours the meter constant will be ______.
MCQ
Correct answer: 250 revolutions / kWh
176
Which of the following methods of lighting calculation can be used for rough calculations and checking purposes?
MCQ
Correct answer: Watt per sq m method
177
For the impedance Z=3+j4,what is the value of admittance?
MCQ
Correct answer: Y=0.12−j0.16
178
A short transmission line has length _______.
MCQ
Correct answer: up to 80 km
179
Comparative statement is an important document to evaluate ________.
MCQ
Correct answer: offers received against an enquiry
180
The power factor is high in which of the following tests in a transformer?
MCQ
Correct answer: SC test only
181
The red light emitted by a ruby laser is of wavelength ____________.
MCQ
Correct answer: 694.3 nm
182
Superposition theorem is applicable for the calculation of:
MCQ
Correct answer: voltage and current but not power
183
B-H curve is also known as ______.
MCQ
Correct answer: magnetisation curve
184
In a comparative statement while compiling information on the tender evaluation sheet/format, which of the following is NOT of a special attention?
MCQ
Correct answer: Name of the supplier
185
The salient pole type construction is suitable for running low-speed prime-movers. Which of the following suits the best explanation for the above statement?
MCQ
Correct answer: Such machines should have comparatively larger rotor diameter.
186
In a single phase Induction Motor, the auxiliary and running windings are spaced _________electrically apart.
MCQ
Correct answer: [Diagram / Option 1]
187
If the distance between two parallel current carrying conductors is tripled, then the magnitude of force between them will become _______.
MCQ
Correct answer: one-third
188
Which of the following is NOT an important outcome of estimation?
MCQ
Correct answer: It gives quality management system.
189
Which of the following statements is/are true regarding AC distribution system and DC distribution system? a) In DC distribution system, the voltage drop is due to resistance only. b) In AC distribution system, the voltage drop is due to resistance only. c) In AC distribution system, the effect of inductance is always neglected.
MCQ
Correct answer: Only (a)
190
A capacitor of capacitance C farad is connected in parallel with a resistance of R Ω. An AC voltage of V volt supplied across the circuit. if the current flowing through resistance is equal to IR and current flowing through the capacitors is equal to IC, What is the value of the total current flowing through the circuit?
MCQ
Correct answer: I=V +wC< 900
191
Which of the following is NOT a disadvantage of the direct laying method?
MCQ
Correct answer: Heat can be dissipated easily.
192
For high load factor for the given maximum demand, the number of generated units is ________.
MCQ
Correct answer: more
193
Find the power delivered by the voltage source is: 50 10 Q 5 A 2 A 2 V
MCQ
Correct answer: -14 W
194
An alternating voltage v= 200 sin 100t. Find the amplitude and frequency.
MCQ
Correct answer: =127.4 V, f-15.9 Hz avg
195
Creep adjustments in single-phase energy metres are done by _______.
MCQ
Correct answer: providing two holes diametrically opposite in the rotating disc
196
Along the line of straight current carrying conductor, the magnetic field at any point is __________.
MCQ
Correct answer: zero
197
A coil of inductance L henry is connected in parallel with an R Ω resistor. The current flowing through resistance and inductance is IR and IL, respectively. What is the value of the current drawn from the supply?
MCQ
Correct answer: + 1
198
Which of the following statements is true about a parallel RLC circuit?
MCQ
Correct answer: Inductive susceptance will be negative value.
199
A voltage e(t)=200sin 1000t is applied across a series RLC circuit, where R=40Ω, L=0.13H and C=10μF.What is the value of the total impedance of the circuit?
MCQ
Correct answer: 50Ω
200
Which of the following statements is correct about the phase sequence of a three-phase supply?
MCQ
Correct answer: It is the order in which the voltages in the individual phase attains their peak value.