Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 95 to 98 % 60 to 90% 80 to 90% 99% 95 to 98 % 60 to 90% 80 to 90% 99% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The direction of rotation of field in a 3 phase induction motor depends upon _____ Supply frequency Phase sequence of supply voltage Magnitude of supply voltage Number of poles Supply frequency Phase sequence of supply voltage Magnitude of supply voltage Number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.5 0 0.1 1 0.5 0 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor the relationship between stator slots and rotor slots is that Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots None of the listed here Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots Stator slots are not exact multiple of rotor slots 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
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