SSC JE ELECTRICAL 2019 WITH SOLUTION SET-2 QUIZ

In the salient pole of the phase synchronous machine, the rotor will have

Larger diameter, shorter axial length

Larger diameter, larger axial length

Smaller diameter, smaller axial length

Smaller diameter, larger axial length

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YOUR ANSWER : ?

If the connected light load in a house is 3000W and power sub-circuit load 6000W, then what is the total number of sub-circuits required?

6

4

1

3

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YOUR ANSWER : ?

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

Neither stator nor rotor

Rotor

Both stator and rotor

Stator

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The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

600 to 800 W

200 to 500 W

50 to 150 W

10 to 50 W

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The scheduled speed of a train is______

Equal to average speed

Always greater than the average speed

Equal to maximum speed

Always less than the average speed

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Which of the following is NOT an expression to find self-inductance?

Nφ/I

Nφ

N2/S

N2μoμrA/I

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Two coils are said to be ‘magnetically isolated’ provided the coefficient of coupling K

Is equal to one

Is less than or equal to one

Is less than one

Is equal to zero

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Oxygen is a/an ____ gas?

Diamagnetic

Ferromagnetic

Inert

Paramagnetic

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Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

16 Ω

32 Ω

8 Ω

4 Ω

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YOUR ANSWER : ?

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

Universal motor

Capacitor start motor

Resistance start motor

Shaded pole motor

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YOUR ANSWER : ?

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