SSC JE Electrical 2019 with solution SET-2

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

Watt-hour/RPM

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

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Incandescent lamp

Halogen lamp

Neon lamp

Fluorescent lamp

Incandescent lamp

Halogen lamp

Neon lamp

Fluorescent lamp

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SSC JE Electrical 2019 with solution SET-2
While estimating the overhead lines, if the number of poles required is 14, then what is the estimated number of earth sets required?

5

4

3

2

5

4

3

2

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SSC JE Electrical 2019 with solution SET-2
A circuit consists of two parallel resistors, having a resistance of 20Ω and 30Ω respectively connected in series with 15Ω. If the current through the 15Ω resistor is 3A, then find the current through 20Ω and 30Ω resistors respectively?

1.8A, 1.2A

1A, 2A

1.2A, 1.8A

2A, 1 A

1.8A, 1.2A

1A, 2A

1.2A, 1.8A

2A, 1 A

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SSC JE Electrical 2019 with solution SET-2
_____type of single phase induction motor operates at better power factor at full load?

Shaded pole

Resistance Split-phase

Capacitor-start, Capacitor-run

Capacitor-start, induction-run

Shaded pole

Resistance Split-phase

Capacitor-start, Capacitor-run

Capacitor-start, induction-run

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

0.015 H

1.5 H

0.15 H

0.125 H

0.015 H

1.5 H

0.15 H

0.125 H

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