Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. 0o. 90o. Greater than 90o. less than 90o. 0o. 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a shunt motor. asynchronous motor. transformer. repulsion motor. shunt motor. asynchronous motor. transformer. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To avoid formation of grooves in the commutator None of these the brushes of same polarity should track each other. brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. None of these the brushes of same polarity should track each other. brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. none of above. any of above method. Ward Leonard control. rheostatic control. none of above. any of above method. Ward Leonard control. rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors shunt motors either of these None of these series motors shunt motors either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the starting current will be enormously high. the motor may not start. the motor may run away. the starting torque becomes low. the starting current will be enormously high. the motor may not start. the motor may run away. the starting torque becomes low. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS