Electrical Machines On what factors the speed of dc motor depends? Armature current Ia. All of these. Field flux. Applied voltage. Armature current Ia. All of these. Field flux. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Increasing the field current. Increasing the armature current. Increasing the field current. Decreasing the field current. Increasing the field current. Increasing the armature current. Increasing the field current. Decreasing the field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be four. three. six. two. four. three. six. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does the use the of height flux density value in transformer design lead to? Increase in weight/KVA. Decrease in weight/KVA. Reduced iron loss. Reduced copper loss. Increase in weight/KVA. Decrease in weight/KVA. Reduced iron loss. Reduced copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 50 Hz 60 Hz 40 HZ 25 Hz 50 Hz 60 Hz 40 HZ 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for series motors. differential compound motors. separately excited motors. shunt motors. series motors. differential compound motors. separately excited motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
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