Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will not start automatically. develop very low starting torque. start automatically without trouble. get damaged. not start automatically. develop very low starting torque. start automatically without trouble. get damaged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 36° 72° 30° 18° 36° 72° 30° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Drip proof. Totally enclosed fan coiled. Open type. Splash proof. Drip proof. Totally enclosed fan coiled. Open type. Splash proof. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1820W 2000W 1920W 1450W 1820W 2000W 1920W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. zoom. hum. boo. magnetostriction. zoom. hum. boo. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP