SSC JE Electrical 2018 with solution SET-1
The motor used on a small lathe is usually

Single-phase capacitor run Motor
D.C shunt Motor
3-Phase Synchronous Motor
Universal Motor

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SSC JE Electrical 2018 with solution SET-1
 On which of the following parameters the eddy current loss occurring in a material does not depend?

The volume of the material
The frequency of variation of flux
Magnetic flux Density
Susceptibility

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SSC JE Electrical 2018 with solution SET-1
 Determine the magnitude of EMF (in V) induced between the axis of rotation and the rim of the disc, when the disc of radius 10 cm rotates with an angular velocity of 60 revolutions per second and placed in the magnetic field of 3 T acting parallel to the rotation of the disc

6.67
4.64
6.69
5.65

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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
Armature current will drop
The motor will attain the dangerously high speed
Motor will become slow

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SSC JE Electrical 2018 with solution SET-1
 Scott connections are used for

Any of the above
Three Phase to Single Phase transformation
Three-phase to two-phase transformation
Single-phase to three-phase transformation

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SSC JE Electrical 2018 with solution SET-1
Which one of the material is used to fix the screw on concrete wall and ceiling?

Saddles
Link clips
Bushings
Rawl Plug

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