Three Phase Induction Motors In an induction motor, no load the slip is generally 4% 2% 1.5 % Less than 1% 4% 2% 1.5 % Less than 1% 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 _____ 1200 rpm 600 rpm 1000 rpm 300 rpm 1200 rpm 600 rpm 1000 rpm 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of rotor bars is generally ________ Even number Equal to stator poles Prime number None of the listed here Even number Equal to stator poles Prime number None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of an induction motor is maximum when rotor resistance per phase is _____ rotor reactance / phase. Four times None of the listed here Two times Equal to Four times None of the listed here Two times Equal to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Open circuited Supplying a variable resistive load Short circuited None of the listed here Open circuited Supplying a variable resistive load Short circuited None of the listed here 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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