Electrical Machines Which of the following will vary the maximum torque? rotor reactance X both 1 and 2 None of these rotor resistance R rotor reactance X both 1 and 2 None of these rotor resistance R ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lag 0.2 lead 0.9 lag unity 0.2 lag 0.2 lead 0.9 lag unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? All of these BRY RBY BYR All of these BRY RBY BYR ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf remains constant. increases. increases upto a limit and then remains almost constant. decreases. remains constant. increases. increases upto a limit and then remains almost constant. decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic field neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. Magnetic field neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will remains same. none of these. increase. Decrease.d remains same. none of these. increase. Decrease.d ANSWER DOWNLOAD EXAMIANS APP
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