Switch Gear Directional relay are based on flow of power voltage wave All of these current power voltage wave All of these current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? sulphur hexafluoride transformer oil distilled water carbon tetrachloride sulphur hexafluoride transformer oil distilled water carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation is quite cheap does not deteriorate with age All of these has high speed of operation is quite cheap does not deteriorate with age All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 25 A 6.25 A 12.5 A 3.125 A 25 A 6.25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small ANSWER DOWNLOAD EXAMIANS APP