DGVCL Exam Paper (11-12-2011)
In carrier current protection, the purpose of the wave trap is for

Tripping fault current
Trapping high frequency waves entering into generator/transformer unit.
All of these
Trapping power frequency waves

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage restrained directional relay
Directional restrained over voltage relay
Directional restrained over current relay
Voltage controlled over current relay

ANSWER DOWNLOAD EXAMIANS APP

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

Tripping for minor faults and alarm for major faults
Tripping for both major and minor faults
Alarm for both major and minor faults
Tripping for major faults and alarm for minor faults

ANSWER DOWNLOAD EXAMIANS APP