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

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

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To improve the starting performance of the motor
To cut-off the starting winding at an appropriate instant
To protect the motor from overloading
To out in the capacitor during running conditions

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SSC JE Electrical 2019 with solution SET-1
 The output of the logic circuit given below represents the gate.

AND
OR
NAND
NOR

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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:

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

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