Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Cast iron Bronze Aluminium Silicon steel Cast iron Bronze Aluminium ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1000 rpm 600 rpm 1200 rpm 300 rpm 1000 rpm 600 rpm 1200 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage as well as slip ring induction motor None of these Squirrel cage induction motor only but not with slip ring motor Slip ring motor only but not with squirrel cage induction motor Squirrel cage as well as slip ring induction motor None of these Squirrel cage induction motor only but not with slip ring motor Slip ring motor only but not with squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. None of the listed here Directly proportional to Independent of Directly proportional to sqaure of None of the listed here Directly proportional to Independent of Directly proportional to sqaure of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Pole changing Rheostatic control None of the listed here Cascade control Pole changing Rheostatic control None of the listed here Cascade control ANSWER DOWNLOAD EXAMIANS APP