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)
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

60 MVA

50 MVA

20 MVA

10 MVA

60 MVA

50 MVA

20 MVA

10 MVA

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

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

It is suitable for higher speeds

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

Radial system

None of these

DC 3 wire system

Ring main system

Radial system

None of these

DC 3 wire system

Ring main system

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

Alarm for both major and minor faults

Tripping for both major and minor faults

Tripping for major faults and alarm for minor faults

Tripping for minor faults and alarm for major faults

Alarm for both major and minor faults

Tripping for both major and minor faults

Tripping for major faults and alarm for minor faults

Tripping for minor faults and alarm for major faults

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DGVCL Exam Paper (11-12-2011)
The form factor in AC means the ration of

Peak value to r.m.s value

Peak value to average value

R.M.S. value to average value

R.M.S. value to peak value

Peak value to r.m.s value

Peak value to average value

R.M.S. value to average value

R.M.S. value to peak value

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

Split phase motor

Universal motor

Capacitor start capacitor run motor

Capacitor start motor

Split phase motor

Universal motor

Capacitor start capacitor run motor

Capacitor start motor

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DGVCL Exam Paper (11-12-2011)

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) The advantage of slipring induction motor over the squirrel cage induction motor is

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

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

DGVCL Exam Paper (11-12-2011) The form factor in AC means the ration of

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

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)
The advantage of slipring induction motor over the squirrel cage induction motor is

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

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

DGVCL Exam Paper (11-12-2011)
The form factor in AC means the ration of

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