SSC JE Electrical 2019 with solution SET-1
 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

190 V
215 V
200 V
210 V

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Rewireable fuse
Air-break switch
Isolator
Circuit breaker

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SSC JE Electrical 2019 with solution SET-1
 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Square meter per second
Cubic meter per second
Meter per second
Meter per hour

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