Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 1 0 0.5 0.1 1 0 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage induction motor only but not with slip ring motor Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage as well as slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of Cast iron Stainless steel High speed steel Carbon steel Cast iron Stainless steel High speed steel Carbon steel 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 None of the listed here Stator slots are not exact multiple of rotor slots Stator slots are equal to rotor slots Stator slots are exact multiple of rotor slots None of the listed here Stator slots are not exact multiple of rotor slots 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 The direction of rotation of field in a 3 phase induction motor depends upon _____ Phase sequence of supply voltage Supply frequency Number of poles Magnitude of supply voltage Phase sequence of supply voltage Supply frequency Number of poles Magnitude of supply voltage ANSWER DOWNLOAD EXAMIANS APP
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