SSC JE Electrical 2018 with solution SET-1
A DC generator used for ARC welding should Have

Dropping Characteristics
Rising characteristics
None of these
Straight characteristics

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 5 to 7 W power
About 15 to 20 W power
About 25 to 30 W  Power
No power

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SSC JE Electrical 2018 with solution SET-1
 If the field of a DC shunt motor gets opened while the motor is running, then the

Armature will oscillate about original speed as the mean speed
The motor will attain the dangerously high speed
Armature current will drop
Motor will become slow

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SSC JE Electrical 2018 with solution SET-1
 Determine the percentage voltage error of a potential transformer with the system voltage of 11000 V and having a turn’s ratio of 104 if the measured secondary voltage is 98 V

6.25
5.75
7.92
8.84

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