Switch Gear
An efficient and a well designed protective relaying should have

high speed and selectivity
All of these
economy and simplicity
good selectivity and reliability

ANSWER DOWNLOAD EXAMIANS APP

Switch Gear
An isolator is installed

generally on both sides of a circuit breaker
always independent of the position of circuit breaker
as a substitute for circuit breaker
to operate the relay of circuit breaker

ANSWER DOWNLOAD EXAMIANS APP