Three Phase Induction Motors Slip rings are usually made of Copper Carbon Aluminium Phospor bronze Copper Carbon Aluminium Phospor bronze ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0 0.5 0.1 1 0 0.5 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit None of the listed here It is inexpensive It requires less maintenance External resistance can be inserted in the rotor circuit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frame of an induction motor is usually made of Silicon steel Aluminium Bronze Cast iron Silicon steel Aluminium Bronze Cast iron ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A 3 phase 440 v, 50 Hz induction motor has 4% slip. The frequency of rotor emf will be 200 Hz 50 Hz 20 Hz 2 Hz 200 Hz 50 Hz 20 Hz 2 Hz ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is Inveresly proportional to supply voltage Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill None of the listed here Inveresly proportional to supply voltage Directly proportional to rotor resistance inversely proportional to rotor reactance at standstill None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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