SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
1 kcal is approximately equal to

4200 watt-sec

420 joules

4.2 joules

420 watt-hour

4200 watt-sec

420 joules

4.2 joules

420 watt-hour

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SSC JE Electrical 2019 with solution SET-2
In electric traction, the specific energy consumption is measured in

Ton-km watt-hour

RPM/watt-hour

Watt-hour/ ton-km

Watt-hour/RPM

Ton-km watt-hour

RPM/watt-hour

Watt-hour/ ton-km

Watt-hour/RPM

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

200 to 500 W

600 to 800 W

50 to 150 W

10 to 50 W

200 to 500 W

600 to 800 W

50 to 150 W

10 to 50 W

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SSC JE Electrical 2019 with solution SET-2
Which of the following decides the direction of rotation of a shaded pole motor?

Frequency of supply

Stator poles

Shaded and unshaded portion of the pole

Supply voltage

Frequency of supply

Stator poles

Shaded and unshaded portion of the pole

Supply voltage

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SSC JE Electrical 2019 with solution SET-2
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?

1

3

6

4

1

3

6

4

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SSC JE Electrical 2019 with solution SET-2
In a suspension type insulator the voltage…..?

Across the center disc is minimum

Across the top disc is maximum

Across the top disc is minimum

Across the center disc is maximum

Across the center disc is minimum

Across the top disc is maximum

Across the top disc is minimum

Across the center disc is maximum

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