Electrical Machines Which of the following pairs is/are correct? open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high All of these open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Synchronous motor. DC shunt motors. Either A or B. Cage induction motor. Synchronous motor. DC shunt motors. Either A or B. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Armature current Ia. All of these. Applied voltage. Field flux. Armature current Ia. All of these. Applied voltage. Field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Armature current. Induced emf. Can not be determined. Mechanical power. Armature current. Induced emf. Can not be determined. Mechanical power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very high speed. start haunting. burn. run at very low speed. run at very high speed. start haunting. burn. run at very low speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Yoke. Armature. Brush. Commutator. Yoke. Armature. Brush. ANSWER DOWNLOAD EXAMIANS APP
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