Switch Gear Directional relay are based on flow of voltage wave All of these power current voltage wave All of these power current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts amperes MVA Mw volts amperes MVA Mw ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise no current flow heavy current flow voltage drop voltage rise no current flow heavy current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is lighter than air None of these is yellow in colour is nontoxic has pungent small is lighter than air None of these is yellow in colour is nontoxic has pungent small ANSWER DOWNLOAD EXAMIANS APP