Buchholz relay causes

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

Tripping for minor faults and alarm for major faults

Tripping for major faults and alarm for minor faults

Tripping for both major and minor faults

Alarm for both major and minor faults

Tripping for minor faults and alarm for major faults

Tripping for major faults and alarm for minor faults

Tripping for both major and minor faults

Alarm for both major and minor faults

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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

80 %

90 %

Less than 90%

More than 90%

80 %

90 %

Less than 90%

More than 90%

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DGVCL Exam Paper (11-12-2011)
A device connected to the computer which converts digital signals to analog and vice-versa is

Modem

Keyboard

UPS

CPU

Modem

Keyboard

UPS

CPU

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DGVCL Exam Paper (11-12-2011)
What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

Content gets corrupted

Content remains intact

Content is transferred to other memory

Content is lost

Content gets corrupted

Content remains intact

Content is transferred to other memory

Content is lost

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DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low voltage

Low copper loss

Low copper as well as iron loss

Low iron loss

Low voltage

Low copper loss

Low copper as well as iron loss

Low iron loss

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DGVCL Exam Paper (11-12-2011)
What type of insulator is used if the direction of the transmission line is to be changed?

Pin type

Suspebsion type

Strain type

Shakle type

Pin type

Suspebsion type

Strain type

Shakle type

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DGVCL Exam Paper (11-12-2011)

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

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) A device connected to the computer which converts digital signals to analog and vice-versa is

DGVCL Exam Paper (11-12-2011) What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

DGVCL Exam Paper (11-12-2011) Distribution transformers have good all day efficiency due to

DGVCL Exam Paper (11-12-2011) What type of insulator is used if the direction of the transmission line is to be changed?

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

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)
A device connected to the computer which converts digital signals to analog and vice-versa is

DGVCL Exam Paper (11-12-2011)
What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

DGVCL Exam Paper (11-12-2011)
What type of insulator is used if the direction of the transmission line is to be changed?