Three Phase Induction Motors In medium sized induction motor, the slip is generally around 4 % 0.4 % 0.04 % 14% 4 % 0.4 % 0.04 % 14% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0 1 0.5 0.1 0 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Less maintenance troubles are experienced in case of Squirrel cage induction motor Both (A) and (B) None of these Slip ring induction motor Squirrel cage induction motor Both (A) and (B) None of these Slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shaft of an induction motor is made of High speed steel Cast iron Stainless steel Carbon steel High speed steel Cast iron Stainless steel Carbon steel ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing number of poles Changing winding resistance Reducing supply voltage Changing supply frequency Changing number of poles Changing winding resistance Reducing supply voltage Changing supply frequency ANSWER DOWNLOAD EXAMIANS APP
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