If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

DGVCL Exam Paper (11-12-2011)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

25

50

10

15

25

50

10

15

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Due to skin effect

Portion of the conductor near the surface carries more current and the core of the conductor carries less current

Portion of the conductor near the surface carries less current and the core of the conductor carries more current

Current flows through the half cross section of the conductor

Uniform current flows through the conductor

Portion of the conductor near the surface carries more current and the core of the conductor carries less current

Portion of the conductor near the surface carries less current and the core of the conductor carries more current

Current flows through the half cross section of the conductor

Uniform current flows through the conductor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

Unity power factor

Lagging power factor

Leading power factor

Depends on nature of load

Unity power factor

Lagging power factor

Leading power factor

Depends on nature of load

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

50 % of its full length

25 % of its full length

80 % of its full length

Its full length

50 % of its full length

25 % of its full length

80 % of its full length

Its full length

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?

Voltage source

Conductor

Capacitor

Resistor

Voltage source

Conductor

Capacitor

Resistor

ANSWER 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

Stored energy in the capacitor is very high

The restriking voltage can be high

It has a leading power factor

Current magnitude is very small

Stored energy in the capacitor is very high

The restriking voltage can be high

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

DGVCL Exam Paper (11-12-2011) Due to skin effect

DGVCL Exam Paper (11-12-2011) An over excited synchronous motor draws current at

DGVCL Exam Paper (11-12-2011) First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011) At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?

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

DGVCL Exam Paper (11-12-2011)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

DGVCL Exam Paper (11-12-2011)
Due to skin effect

DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011)
At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?

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