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

0.5 leading

0.6 lagging

0.8 lagging

0.6 leading

0.5 leading

0.6 lagging

0.8 lagging

0.6 leading

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DGVCL Exam Paper (11-12-2011)
Which lightning stroke is most dangerous?

Direct stroke on line conductor

Indirect stroke on conductor

Direct stroke on ground wire

Direct stoke on tower top

Direct stroke on line conductor

Indirect stroke on conductor

Direct stroke on ground wire

Direct stoke on tower top

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

Capacitor start motor

Split phase motor

Universal motor

Capacitor start capacitor run motor

Capacitor start motor

Split phase motor

Universal motor

Capacitor start capacitor run motor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
It is difficult interrupt a capacitive current because

It has a leading power factor

Current magnitude is very small

The restriking voltage can be high

Stored energy in the capacitor is very high

It has a leading power factor

Current magnitude is very small

The restriking voltage can be high

Stored energy in the capacitor is very high

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DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It is suitable for higher speeds

It's power factor is higher

It can be started with the help of rotor resistances

It has a higher efficiency

It is suitable for higher speeds

It's power factor is higher

It can be started with the help of rotor resistances

It has a higher efficiency

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Simple protection

Minimum line power losses

No harmonic problems

Low cost of HVDC terminals

Simple protection

Minimum line power losses

No harmonic problems

Low cost of HVDC terminals

ANSWER DOWNLOAD EXAMIANS APP

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) Which lightning stroke is most dangerous?

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

DGVCL Exam Paper (11-12-2011) It is difficult interrupt a capacitive current because

DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is

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

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)
Which lightning stroke is most dangerous?

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

DGVCL Exam Paper (11-12-2011)
It is difficult interrupt a capacitive current because

DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

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