Electrical Machines Generator works on the principle of production static induced emf. dynamically induced emf. None of these both A and B. static induced emf. dynamically induced emf. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will stop. The direction of rotation will reverse. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The motor will stop. The direction of rotation will reverse. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Open slot type machines. Closed slot type machines. Any of the above. Semi closed slot type machine. Open slot type machines. Closed slot type machines. Any of the above. Semi closed slot type machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase rotor resistance None of these supply frequency supply voltage rotor resistance None of these supply frequency supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Armature. Commutator. Brush. Yoke. Armature. Commutator. Brush. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased both power angle and power factor increase both power angle and power factor decrease power angle increase and power factor decrease power angle decrease and power factor increase both power angle and power factor increase both power angle and power factor decrease power angle increase and power factor decrease power angle decrease and power factor increase ANSWER DOWNLOAD EXAMIANS APP
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