Electrical Machines Which single phase motor is used for a refrigerator? Split phase. Capacitor run. Repulsion. Universal. Split phase. Capacitor run. Repulsion. Universal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In large sized DC machines the compensating windings are provided to None of these neutralize voltage induced in coil due to fluctuation of l compensate for the decrease in speed due to increase of load. reduce eddy current losses by providing local short circuits. None of these neutralize voltage induced in coil due to fluctuation of l compensate for the decrease in speed due to increase of load. reduce eddy current losses by providing local short circuits. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? DC motor. Electrical power transformer. Induction motor. Electrical power generator. DC motor. Electrical power transformer. Induction motor. Electrical power generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Rotor resistance starting. Direct online starting. Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. Auto transformer starting. Stator resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The motor will attain dangerously high speed. The speed of motor will be reduced. DC Shunt Motor The armature current will reduce. The motor will attain dangerously high speed. The speed of motor will be reduced. DC Shunt Motor The armature current will reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 6 ohms. 1.9 ohms. 2.2 ohms. 5.7 ohms. 6 ohms. 1.9 ohms. 2.2 ohms. 5.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
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