Switch Gear A.C. network analyzer is used to solve problems of Load flow, short-circuit and stability Load flow and short-circuit Load flow Load flow and stability Load flow, short-circuit and stability Load flow and short-circuit Load flow Load flow and stability 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 All of these None of these insulate the contacts from switch body extinguish the arc lubricate the contacts All of these None of these insulate the contacts from switch body extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 132 kV 11 kV 66 kV 33 kV 132 kV 11 kV 66 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.05 sec 0.001 sec 0.002 sec 0.2 sec 0.05 sec 0.001 sec 0.002 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS