SSC JE ELECTRICAL 2019 WITH SOLUTION SET-2 QUIZ

Which of the following comes under the category of single-phase commutator motors?

Capacitor start motor

Resistance start motor

Shaded pole motor

Universal motor

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An ideal voltage source is one that____?

Has infinite internal resistance

Supplies constant power

Has medium internal resistance

Has zero internal resistance

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A choke can be represented by a

RLC series circuit

R circuit

RC series circuit

RL series circuit

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If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/2r)*(At/m)

(1/4r)*(At/m)

(1/r)*(At/Wb)

(1/r)*(At/m)

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In a 4 pole. 20 kW, 200 V wave wound DC shunt generator, the current in each parallel path will be

25 A

100 A

50 A

10 A

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Form Factor × Peak Factor =?

Maximum Value/Average Value

Average Value Maximum Value

Maximum Value/RMS Value

RMS Value/Average Value

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Which of the following motors can be connected across a single-phase AC supply?

Cumulative compound motor

DC Series Motor

Differential compound motor

DC shunt motor

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The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux?

2.5 meters

4 meters

1.5 meters

2 meters

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The change in DC excitation of a synchronous motor will also change the

Supply voltage

Load angle

Power factor

Speed of the motor

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Both the main winding and auxiliary winding of a single-phase induction motor is placed on the ______?

Rotor

Stator

Both stator and rotor

Neither stator nor rotor

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