Three Phase Induction Motors The starting torque of a 3-phase induction motor is _______ supply voltage. 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 Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque Provides fine speed control Has simple and rugged construction None of the listed here Provides high starting torque Provides fine speed control Has simple and rugged construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is Self starting with high torque Non self starting Self starting with zero torque Self starting with low torque Self starting with high torque Non self starting Self starting with zero torque Self starting with low torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High starting torque is required High rotor resistance is required during running Speed control is required Less costly motor is not required High starting torque is required High rotor resistance is required during running Speed control is required Less costly motor is not required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 95 to 98 % 80 to 90% 99% 60 to 90% 95 to 98 % 80 to 90% 99% 60 to 90% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 8 poles 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP