Electrical Machines In DC generator, armature reaction refers to what? Effect of armature flux on the load. None of these Effect of armature flux on the main field flux. Effect of field flux on the armature flux. Effect of armature flux on the load. None of these Effect of armature flux on the main field flux. Effect of field flux on the armature flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of stainless steel. closed grained cast iron. aluminium. silicon steel. stainless steel. closed grained cast iron. aluminium. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. Induction motor. Synchronous motor. DC motor. Both A and C. Induction motor. Synchronous motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A simple method of increasing the voltage of a DC generator is to increase the speed of shaft rotation. increase the number of turns in field coil. increase the number of turns in armature coil. increase the source frequency. increase the speed of shaft rotation. increase the number of turns in field coil. increase the number of turns in armature coil. increase the source frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to external star-connected resistors. equalizing coils. 3 - Φ AC supply. DC supply. external star-connected resistors. equalizing coils. 3 - Φ AC supply. DC supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers high resistance and high reactance. high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. high resistance and high reactance. high resistance and low reactance. low resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP