An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be

DGVCL Exam Paper (11-12-2011)
An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be

0.6 leading

0.6 lagging

0.5 leading

0.8 lagging

0.6 leading

0.6 lagging

0.5 leading

0.8 lagging

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DGVCL Exam Paper (11-12-2011)
Bulk power transmission over long HVDC lines are preferred on account of

No harmonic problems

Low cost of HVDC terminals

Simple protection

Minimum line power losses

No harmonic problems

Low cost of HVDC terminals

Simple protection

Minimum line power losses

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

Universal motor

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

The length of the conductor

Both spacing between the conductors and diameter of the conductor

Diameter of the conductor

Spacing between the conductors

The length of the conductor

Both spacing between the conductors and diameter of the conductor

Diameter of the conductor

Spacing between the conductors

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DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and high melting point

Low specific resistance and low melting point

High specific resistance and high melting point

High specific resistance and low melting point

Low specific resistance and high melting point

Low specific resistance and low melting point

High specific resistance and high melting point

High specific resistance and low melting point

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DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to

Eliminate hunting and provide adequate starting torque

Eliminate losses on account of fair friction

Reduce bearing friction

Reduce winding losses

Eliminate hunting and provide adequate starting torque

Eliminate losses on account of fair friction

Reduce bearing friction

Reduce winding losses

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be

DGVCL Exam Paper (11-12-2011) Bulk power transmission over long HVDC lines are preferred on account of

DGVCL Exam Paper (11-12-2011) The motor used in celling fans is

DGVCL Exam Paper (11-12-2011) The corona effect can be minimized by increasing

DGVCL Exam Paper (11-12-2011) A fuse wire should have

DGVCL Exam Paper (11-12-2011) The purpose of embedding the damper winding in the pole face of a synchronous motor is to

DGVCL Exam Paper (11-12-2011)
An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be

DGVCL Exam Paper (11-12-2011)
Bulk power transmission over long HVDC lines are preferred on account of

DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

DGVCL Exam Paper (11-12-2011)
A fuse wire should have

DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to