Switch Gear SF 6 gas Is nontoxic is lighter than air is yellow in colour has pungent small Is nontoxic is lighter than air is yellow in colour has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is impedance relay non-directional relay None of these directional relay impedance relay non-directional relay None of these directional relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 4 2 8 6 4 2 8 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Electronic and bimetallic Thermocouple Both of the listed here None of these Electronic and bimetallic Thermocouple Both of the listed here None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to lubricate the contacts None of these insulate the contacts from switch body All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body All of these extinguish the arc ANSWER DOWNLOAD EXAMIANS APP