SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
The water hammer effect is expected in a

Penstock

Turbine casing

Draft tube

Surge tank

Penstock

Turbine casing

Draft tube

Surge tank

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

Watt-hour/RPM

RPM/watt-hour

Ton-km watt-hour

Watt-hour/ ton-km

Watt-hour/RPM

RPM/watt-hour

Ton-km watt-hour

Watt-hour/ ton-km

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SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

Nichrome

Kanthal

Graphite

Eureka

Nichrome

Kanthal

Graphite

Eureka

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SSC JE Electrical 2019 with solution SET-2
In an alternator, if α = 60°, then find the pitch factor?

1

1/2

0

√3/2

1

1/2

0

√3/2

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SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

High starting torque

Low starting current

Low starting torque

No starting torque

High starting torque

Low starting current

Low starting torque

No starting torque

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SSC JE Electrical 2019 with solution SET-2
Observe the figure and find the correct relation from the four given options?

i1 + i2 + i6 = i4 + i5 + i3

i4 + i2 + i3 = i1 + i5 + i6

i1 + i2 + i3 = i4 + i5 + i6

i1 + i2 + i4 = i3 + i5 + i6

i1 + i2 + i6 = i4 + i5 + i3

i4 + i2 + i3 = i1 + i5 + i6

i1 + i2 + i3 = i4 + i5 + i6

i1 + i2 + i4 = i3 + i5 + i6

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