SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

String efficiency
Insulator efficiency
Transmission line efficiency
Disc efficiency

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SSC JE Electrical 2019 with solution SET-1
 Which motor is referred to as a universal motor?

Shunt
Series
Synchronous
Single-phase induction

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SSC JE Electrical 2019 with solution SET-1
 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 6 and 12
1, 5 and 10
1, 4 and 8
1, 7 and 14

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SSC JE Electrical 2019 with solution SET-1
A three-phase induction machine, when it is operating like a motor, the range of slip is given by

1 < a < 2
0 > s > −1
0 ≤ s ≤ 1
−1 > s > −2

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)/60
Pmech = ωT
Pmech = (2πωT)
Pmech = (ωT)/60

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