Switch Gear Overheating of relay contacts or contact born out is due to all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? carbon tetrachloride transformer oil sulphur hexafluoride distilled water carbon tetrachloride transformer oil sulphur hexafluoride distilled water ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of motor feeder transmission line generator motor feeder transmission line generator 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 isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies either of the above None of these higher frequencies entering generator or transformer units power frequencies either of the above None of these higher frequencies entering generator or transformer units ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to square of the current inversely proportional to the current proportional to the current inversely proportional to the square of the current proportional to square of the current inversely proportional to the current proportional to the current inversely proportional to the square of the current ANSWER DOWNLOAD EXAMIANS APP
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