DGVCL EXAM PAPER (11-12-2011) QUIZ

The reliability of the instrument

The inaccuracy due to change in temperature

The repeatability of the instrument

The change in the same reading when the input is first increased and then decreased

Cold reserve

Firm power

Spinning reserve

Hot reserve

Harmonics in the generated emf

Size of the machine

Amount of copper in the winding

Cost of the machine

Earth continuity conductor

Phase wire

Neutral wire

Both phased and neutral wire

Portion of the conductor near the surface carries less current and the core of the conductor carries more current

Portion of the conductor near the surface carries more current and the core of the conductor carries less current

Current flows through the half cross section of the conductor

Uniform current flows through the conductor

It is safe to human beings

It protects the secondary ciruits

It protects the primary ciruits

It avoids core saturation and high voltage induction

Insert a fuse of higher current rating

Reduce the load

Check the load

Insert a fuse of higher voltage rating

Minimum Oil CB

Bulk Oil CB

Vacuum CB

Air break CB

To improve the power factor

To limit the current to an appropriate value

To eliminate corona effect

To avoid radio interference

Torque and speed are proportional to the square of the armature current

Its torque is proportional to the square of the armature current and speed is directional proporational to torque

Its torque is proportional to the square of the armature current and speed is inversely proportional to torque

Torque and speed are inversely proportional to the square of the armature current