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 Very large 3-phase induction motors (greater than 25 HP) are started _____ None of the listed here By auto transformer starting Direct on line Star-delta starting None of the listed here By auto transformer starting Direct on line Star-delta starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. Directly proportional to Directly proportional to sqaure of Independent of None of the listed here Directly proportional to Directly proportional to sqaure of Independent of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 99% 60 to 90% 80 to 90% 95 to 98 % 99% 60 to 90% 80 to 90% 95 to 98 % 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 3-phase wound rotor morors are also called _____ motors. Slip ring Series Synchronous Commutator Slip ring Series Synchronous Commutator ANSWER DOWNLOAD EXAMIANS APP
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