SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Economizer
Boiler
Chimney
Reactor

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SSC JE Electrical 2019 with solution SET-1
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D4, D1
D1, D2
D2, D3
D3, D4

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SSC JE Electrical 2019 with solution SET-1
 Identify the INCORRECT statement with regards to synchronous motors

It is a constant speed motor
It is a self-starting machine
The armature winding is placed on the stator
The field winding is placed on the rotor

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SSC JE Electrical 2019 with solution SET-1
 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (2 − S)
R2 ⁄ (1 − S)
R2 ⁄ (1 + S)
R2 ⁄ S

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