Electrical Machines The emf induced in the dc generator armature winding is AC DC None of these AC and DC AC DC None of these AC and DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for separately excited motors. differential compound motors. shunt motors. series motors. separately excited motors. differential compound motors. shunt motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is 230 V some what more than 230 V some what less than 230 V not possible 230 V some what more than 230 V some what less than 230 V not possible ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Shunt field resistance control. Any of above. Armature resistance control. Armature voltage control. Shunt field resistance control. Any of above. Armature resistance control. Armature voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 19% 5% 40% 10% 19% 5% 40% 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
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