People can interact with each other through any part of the world through video conferencing using

DGVCL Exam Paper (11-12-2011)
People can interact with each other through any part of the world through video conferencing using

Speaker

Webcam

Joystick

Scanner

Speaker

Webcam

Joystick

Scanner

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DGVCL Exam Paper (11-12-2011)
The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be

More than 90%

Less than 90%

80 %

90 %

More than 90%

Less than 90%

80 %

90 %

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DGVCL Exam Paper (11-12-2011)
Buchholz relay causes

Alarm for both major and minor faults

Tripping for major faults and alarm for minor faults

Tripping for both major and minor faults

Tripping for minor faults and alarm for major faults

Alarm for both major and minor faults

Tripping for major faults and alarm for minor faults

Tripping for both major and minor faults

Tripping for minor faults and alarm for major faults

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

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

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DGVCL Exam Paper (11-12-2011)
Which of the following power distribution system gives better reliabity ?

DC 3 wire system

Radial system

None of these

Ring main system

DC 3 wire system

Radial system

None of these

Ring main system

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DGVCL Exam Paper (11-12-2011)
If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is

10 MVA

60 MVA

20 MVA

50 MVA

10 MVA

60 MVA

20 MVA

50 MVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using

DGVCL Exam Paper (11-12-2011) The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be

DGVCL Exam Paper (11-12-2011) Buchholz relay causes

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

DGVCL Exam Paper (11-12-2011) Which of the following power distribution system gives better reliabity ?

DGVCL Exam Paper (11-12-2011) If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is

DGVCL Exam Paper (11-12-2011)
People can interact with each other through any part of the world through video conferencing using

DGVCL Exam Paper (11-12-2011)
The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be

DGVCL Exam Paper (11-12-2011)
Buchholz relay causes

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

DGVCL Exam Paper (11-12-2011)
Which of the following power distribution system gives better reliabity ?

DGVCL Exam Paper (11-12-2011)
If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is