DGVCL EXAM PAPER (11-12-2011) QUIZ

Reluctance motor

Induction motor

Synchronous motor

Universal motor

Telephone line

Interface card

Special wires

Modem

Spacing between the conductors

The length of the conductor

Diameter of the conductor

Both spacing between the conductors and diameter of the conductor

Low voltage

Low iron loss

Low copper as well as iron loss

Low copper loss

Open isolator close circuit breaker-open earthing switch

Close circuit breaker-close isolator - open earthing switch

Open circuit breaker-open isolator-close earthing switch

Close earthing switch - open ciruit- breaker-open islotor

Voltage controlled over current relay

Voltage restrained directional relay

Directional restrained over voltage relay

Directional restrained over current relay

Uniform current flows through the conductor

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

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

Current flows through the half cross section of the conductor

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

Alarm for both major and minor faults

To eliminate corona effect

To limit the current to an appropriate value

To avoid radio interference

To improve the power factor

The receiving end

Middle of the line

Any place

The sending end