DGVCL EXAM PAPER (11-12-2011) QUIZ

Infinite

Equal

Different

Zero

Alarm for both major and minor faults

Tripping for minor faults and alarm for major faults

Tripping for both major and minor faults

Tripping for major faults and alarm for minor faults

Phase shifting transformer

Single pole switching of circuit breakers

Increasing the turbine valve opening

Excitation control

50 % of its full length

80 % of its full length

Its full length

25 % of its full length

Pixels

Points

Icons

Spots

Peak value to average value

R.M.S. value to average value

Peak value to r.m.s value

R.M.S. value to peak value

To increase the distributuion factor

To increase the breadth factor

To reduce the locking tendency of the rotor

To reduce the magnetic hum of the motor

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

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

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

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

DC

Negative cycle of sine wave

Positive cycle of sine wave

AC

Stored energy in the capacitor is very high

The restriking voltage can be high

Current magnitude is very small

It has a leading power factor