Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. high efficiency. reduced size. quick acceleration. low starting torque. high efficiency. reduced size. quick acceleration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? None of the options. Permanent magnets. Both B and C. Electromagnets. None of the options. Permanent magnets. Both B and C. Electromagnets. 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 generation of voltage development of torque commutation electromechanical energy conversion generation of voltage development of torque commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as None of these an induction motor an induction generator a synchronous motor None of these an induction motor an induction generator a synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 14.28%. 15.30%. 18.25%. 16.67%. 14.28%. 15.30%. 18.25%. 16.67%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Brush. Commutator. Yoke. Armature. Brush. Commutator. Yoke. Armature. ANSWER DOWNLOAD EXAMIANS APP
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