SSC JE ELECTRICAL 2019 WITH SOLUTION SET-1 QUIZ

The power factor of an A.C. circuit is equal to

R/XL

R/XC

Z/R

R/Z

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YOUR ANSWER : ?

Which of the following losses is together called iron losses?

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Hysteresis loss and frictional loss

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YOUR ANSWER : ?

Is it possible to have current in a transmission line, under no-load conditions?

Yes, because of skin effect

Yes, because of the capacitance effect

Yes, because of the corona effect

No, because of the proximity effect

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Find the net capacitance of the combination in which ten capacitors of 10 μF are connected in parallel

50 μF

0.1 μF

1 μF

100 μF

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Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

2.5Hz

25Hz

50Hz

5Hz

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A single-phase circuit’s power factor can be measured with a/an

Combination of a voltmeter and ammeter

Energy meter alone

Combination of a voltmeter, ammeter, and wattmeter

Wattmeter alone

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The Thevenin’s resistance as seen through the terminals A and B is:

5 Ω

8 Ω

4 Ω

6 Ω

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YOUR ANSWER : ?

In the below circuit, X = ?

A

B

A.B

A + B

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A shaded pole motor is basically a motor

Series

Synchronous

Shunt

Single-phase induction

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YOUR ANSWER : ?

The ratio of average energy demand to maximum demand during a specific period in

Load factor

Power factor

Utilization factor

Form factor

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YOUR ANSWER : ?

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