Electrical Machines Regenerative braking is possible in DC series motor. DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. DC series motor. DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator armature terminal. generator field terminal. motor field terminal. motor armature terminal. generator armature terminal. generator field terminal. motor field terminal. motor armature terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor when started on no load does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be crawling. locking. cogging. plugging. crawling. locking. cogging. plugging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature MMF waveform of a DC machine is rectangular. pulsating. triangular. sinusoidal. rectangular. pulsating. triangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly increase. not change. slightly decrease. None of these slightly increase. not change. slightly decrease. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of electromagnetic induction. mutual induction. self or mutual induction. self induction. electromagnetic induction. mutual induction. self or mutual induction. self induction. ANSWER DOWNLOAD EXAMIANS APP