Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ None of the listed here Increased under running conditions Decreased at starting Increased at starting None of the listed here Increased under running conditions Decreased at starting Increased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1-S S-1 None of the listed here 1+S 1-S S-1 None of the listed here 1+S ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Carbon steel Cast iron Stainless steel High speed steel Carbon steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The advantage of wound rotor motor is that _______ External resistance can be inserted in the rotor circuit It requires less maintenance It is inexpensive None of the listed here External resistance can be inserted in the rotor circuit It requires less maintenance It is inexpensive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Eddy currents Hysteresis Self induction Mutual induction Eddy currents Hysteresis Self induction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor on load resemble those of a transformer whose secondady is _______ Short circuited Supplying a variable resistive load Open circuited None of the listed here Short circuited Supplying a variable resistive load Open circuited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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