SSC JE Electrical 2019 with solution SET-1
 Split-phase, capacitor, and shaded-pole single-phase motors classified as:

Repulsion motors
1-phase induction motors
A.C. series motors
Un-excited synchronous motors

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SSC JE Electrical 2019 with solution SET-1
 Lamp efficiency is measured in

Lux/watt
Candela/watt
Lumen/watt
Lumen/lux

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SSC JE Electrical 2019 with solution SET-1
If the field of the synchronous motor is under excited the power factor will be:

Unity
Lagging
Leading
Zero

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

Single-phase induction
Synchronous
Shunt
Series

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