Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to None of the listed here Independent of Directly proportional to sqaure of Directly proportional to None of the listed here Independent of Directly proportional to sqaure of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible Large 1 Very large As small as possible Large 1 Very large ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ None of the listed here 40% 90% 65% None of the listed here 40% 90% 65% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency Supply voltage None of these Copper losses in motor Supply frequency Supply voltage None of these Copper losses in motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of None of these Both (A) and (B) Squirrel cage induction motor Slip ring induction motor None of these Both (A) and (B) Squirrel cage induction motor Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If an induction motor is running at slip S, then rotor output is ______ S × rotor input (1+S) × rotor input (1-S) × rotor input (S-1) × rotor input S × rotor input (1+S) × rotor input (1-S) × rotor input (S-1) × rotor input ANSWER DOWNLOAD EXAMIANS APP
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