SSC JE (Electrical) 2023 Official Paper-II (Held On 04 Dec 2023 Shift 1) English

A.Reciprocity theorem B.The ven in's t theorem C.Superposition theorem D.Maximum power transfer theorem

A.15 2 B.25 2 C.20 Q D.35 Q

A.Tapped field control B.Rheostat ic control method C.Armature control method D.Field divert er method

A.eight B.[Diagram / Option 2] C.four D.nine

A.CRT B.Time base generator C.Vertical amplifier D.Delay line

A.To reduce electricity and lower consumption operating costs B.To raise operating costs C.To improve safety m east res D.To increase e electricity consumption

A.Servo drives B.High speed compressor C.Dot matrix printer D.Main line traction

A.Collector B.Base C.Emitter D.Base and emitter

A.Ferrite core transformer B.Air core transformer C.Toroidal core transformer D.Iron core transformer

A.Power s sockets B.Electrical panels or switchgear C.Lighting systems D.HVAC systems

A.[Diagram / Option 1] B.Normally, the tender offering the lowest rates s is accepted. C.The sealed invited tenders are publicly through news-papers. D.invited on a tender form Tenders prescribed by the purchase sare department

A.Solid B.Liquid C.Gases D.Compound

A.22 Q B.11 2 C.33 Q D.92

A.[Diagram / Option 1] B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.Universal motor B.Split phase motor C.Permanent-split capacitor motor D.Shaded-pole motor

A.Frequency B.Voltage drop C.Current carrying capacity D.Length

A.5 H B.2 H C.1 H D.10 H

A.Voltage regulation B.Power generation C.Switching equipment t control D.Interrupting short-circuits and overload currents

A.Depletion of majority charge in the region near the carriers junction B.Generation 1 of an electric field that inhibits electron movement C.[Diagram / Option 3] D.Creation of a layer of holes: the junction in the p-type near material

A.Phase shifting primary to secondary B.Isolation between primary to s secondary C.Adjustment of voltage in output side D.Multiple windings

A.7.5 H B.5 H C.5 H D.10 H

A.120 mJ B.720 mJ C.360 D.1440

A.Loop B.Branch C.Node D.Path

A.15 V B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.5% to 7% B.2% to 4% C.1% to 1.5% D.8% to 10%

A.A-H, B-II..C-I B.A-I, B-I,, C-H C.A-HI, B-I, C-III D.A-I, B-II,. C-I

A.To absorb excess neutrons B.To cool the reactor core C.To transfer heat to the secondary circuit D.To generate electricity

A.5 V B.5 V C.7.5 V D.5 V

A.A-I, B-I 1 I. C-H B.A-HI, B-I, C-III C.A-H, B-II..C-I D.A-I, B-I,, C-H

A.Induction heating B.Direct arc heating C.Resistance heating D.frequency Power heating

A.To protect the substation from faults B.To control the voltage of the substation C.the substation n to distribution transformers D.To generate electrical power

A.[Diagram / Option 1] B.[Diagram / Option 2] C.[Diagram / Option 3] D.The doping emitter, levels of the base and collector are all the s same.

A.[Diagram / Option 1] B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.At resonance, the impedance will be maximum. B.e current will be in phase At resonance, the line e with the applied voltage. C.At resonance, the current will be minimum. D.At resonance, the power factor will be zero.

A.0.005 H B.0.25 H C.0.025 H D.0.05 H

A.To convert electrical energy into mechanical B.the temperature To measure e of the load C.To regulate the operation of the load drive D.To provide electrical power to the load

A.Applicable if the circuit has only one independent source B.Applicable if the circuit has independent sources C.Applicable if the circuit has s no dependent sources D.Applicable if the circuit has. between s no resistance the independent sources

A.2 A B.3 A C.4 A D.[Diagram / Option 4]

A.Infrared radiation B.Microwave radiation C.X-rays D.U it ra violet radiation

A.To control the speed of the wind turbine B.To generate usable electricity from wind energy C.To store mechanical rotational power D.To regulate e the voltage in the electrical

A.positive and large B.positive and small C.negative and small D.negative and large

A.[Diagram / Option 1] B.V 3 C.[Diagram / Option 3] D.[Diagram / Option 4]

A.Collector substation B.Converter substation C.Relay substation D.Distribution substation

A.Distribution substation B.Collector substation C.Converter substation D.Relay substation

A.pe, su ab B.su ad C.Ra+ jz su su D.1 / (Ra +jX su su

A.To control the power supply circuit B.To the electron generate beam C.To synchronise the horizontal and vertical deflections D.To amplify the input signal

A.Both the statements are true B.Statement 1 is true and statement 2 is false C.Both the statements are false D.Statement 1 is false statement 2 is and true

A.and IV B.and IV C.and II D.and II

A.6 H B.24 H C.12 H D.18 H

A.Increasing the turns s ratio of the current transformer B.Utilising laminated cores made of insulated sheets C.Using thicker core materials for better conductivity D.the number of windings Decreasing in the secondary coil

A.illumination B.luminous flux C.lumi nance D.luminous intensity

A.Speed is directly proportional to armature current B.Speed is independent of a armature current. C.Speed is directly proportional to the square of. armature current D.Speed is inversely proportional to armature current.

A.the synchronous To determine speed of the alternator B.the To power factor when the alternator is loaded by assess reactors C.To plot the armature voltage terminal phase against field per current D.To calculate the short-circuit voltage of the alternator

A.Zener capacitive and breakdowns B.tunnelling Avalanche and breakdowns C.Voltage and current t breakdowns D.Forward and reverse breakdowns

A.5 B.20 C.50 MA D.[Diagram / Option 4]

A.Smart t meters B.Single phase meters C.Prepayment. meters D.Three phase meters

A.To facilitate access for maintenance B.To protect against environmental effects C.passers-by during To protect g a short circuit in the transmission system D.for expansion To e ensure room due to load growth

A.high re tent iv it y B.high permeability C.low coercive force D.low hysteresis loss

A.Overhead cables are better insulated. B.Overhead cables moisture protected against and are more d corrosion C.Overhead cables less sare expensive to construct. D.environmentally Overhead cables are more friendly

A.using Protection from protectors power surges sll r ge and circuit breakers B.A complete loss of power to a geographic area C.A drop in the electrical causing g a drop power supply in voltage D.[Diagram / Option 4]

A.450 B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.Francis turbine B.Cross flow turbine C.Pelton turbine D.Kaplan turbine

A.Armature field flux reduces reaction weakens the the main: and generated EMF. B.distorts the main field flux Armature e reaction weakens and it. C.e main field flux Armature distorts the and does reaction not affect its strength. D.e reaction strengthens Armature main field flux and does the not distort it.

A.21.6 A B.34.6 A C.43.3 A D.18.9 A

A.DC transmission line B.Long transmission line C.Medium transmission line D.Short transmission line

A.I, H and IV B.I, H and III C.I, and IV D.I, HI and IV

A.8000 W B.80 kw C.800 W D.800 kw

A.Permanent-split capacitor B.Shaded pole motor C.Split phase induction motor D.Capacitor start motor

A.Control rod B.Electrostatic pre c ip it at or C.Moderator D.Nuclear reactor

A.[Diagram / Option 1] B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.High electrical conductivity B.Inefficient heat t dissipation C.Ability to be polarised by an applied electric field D.Low e electrostatic field rod dns

A.Statement 1 is true and statement 2 is false B.Both the statements are false C.Statement 1 is false statement 2 is and true D.Both the statements are true

A.750 rpm B.1500 rpm C.1000 rpm D.500 rpm

A.Bulb turbine B.Tube turbine C.Stra flo turbine D.Kaplan turbine

A.Operating centrifugal pumps B.Controlling g voltage at the end of long transmission lines C.Generating different frequencies D.r factor correction for lagging Power loads

A.26.56 mH B.46.45 5 mH C.31.83 mH D.16.32 mH

A.loss and hysteresis Core loss B.Iron loss and copper loss C.Eddy current loss and mechanical loss D.Copper loss and winding loss

A.Phase e angle between voltage and current B.Leakage flux C.Synchronous react ance D.Power factor

A.Reluctance Motor B.Direct Current Excited Motor C.Permanent Magnet Synchronous Motor D.Three Phase Induction Motor

A.less than one B.above 100 C.between 50 and 100 D.zero

A.Slowing the neutrons produced by down fission B.Increasing the reaction rate C.Cooling down the reactor core D.Spinning the turbine

A.250 A B.84 A C.36 A D.135 A

A.[Diagram / Option 1] B.100 C.[Diagram / Option 3] D.[Diagram / Option 4]

A.running torque B.pull-in torque C.pull-out torque D.de tent torque

A.Rotor B.Commutator C.Brushes D.Stator

A.To provide a a backup power source in case eofa power outage B.To assist in the I motor's starting induction an motor C.To control the speed of the synchronous motor D.To s torque generate additional for higher efficiency

A.306.63 3 Hz B.100.53 Hz C.625.23 Hz D.254.80 Hz

A.[Diagram / Option 1] B.[Diagram / Option 2] C.[Diagram / Option 3] D.[Diagram / Option 4]

A.11 A B.5 A C.7 A D.3 A

A.Running cost B.Depreciation cost C.Semi-fixed cost D.Fixed c cost

A.3 A B.2 A C.4 A D.5 A

A.i 3 = i 5 ＋ i 6 B.i 4 + i 5 =i 7 C.i 4 + i 5 =-17 D.i 2 i 3 + i 4

A.generator B.transformer C.alternator D.DC motor

A.[Diagram / Option 1] B.160 C.[Diagram / Option 3] D.320

A.Magnetic density (B) B.Magnetic permeability (μ) C.Magnetising force (H) D.Magnetic flux (Φ)

A.Materials with per me abilities the s as same that of free space B.[Diagram / Option 2] C.per me abilities slightly 1 Materials with than less that of free space D.per me abilities slightly Materials with greater than that of free space

A.Statement 1 is false statement 2 is and true B.Both the statements are false C.Both the statements are true D.Statement 1 is true and statement 2 is false

A.The rotor of a reluctance motor rotates s with constant speed. B.motor has A reluctance r poor efficiency. C.motor is cheaper than A reluctance r other kind of synchronous any motor. D.A reluctance on AC well DC motor as 'can as supply.

A.in only flows Power one direction B.Simple construction C.Low D.Highly reliable

A.Statement 1 is false statement 2 is and true B.Both the statements are true C.Both the statements are false D.Statement 1 is true and statement 2 is false