Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. triangular. flat topped. sinusoidal. pulsating. triangular. flat topped. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for electromechanical energy conversion development of torque commutation generation of voltage electromechanical energy conversion development of torque commutation generation of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be 6 V somewhat more than 230 V 230 V somewhat less than 230 V 6 V somewhat more than 230 V 230 V somewhat less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 25 Hz. 50 Hz. 60 Hz. 16.67 Hz. 25 Hz. 50 Hz. 60 Hz. 16.67 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for separately excited motors. shunt motors. differential compound motors. series motors. separately excited motors. shunt motors. differential compound motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 1.5 %. 2.67 %. 5 %. 30 %. 1.5 %. 2.67 %. 5 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
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