Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is paper mills. lifts and hoists. blowers. jaw crushers. paper mills. lifts and hoists. blowers. jaw crushers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It develops high starting torque. It runs at very high speed at light load. It is cheaper in cost. It consume less power. It develops high starting torque. It runs at very high speed at light load. It is cheaper in cost. It consume less power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/60. PN/2. PN/120. PN/3000. PN/60. PN/2. PN/120. PN/3000. 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 Ω. The value of resistance which must be added to obtain rated torque at 1000 rpm is 2.2 Ω 5.7 Ω 6 Ω 1.9 Ω 2.2 Ω 5.7 Ω 6 Ω 1.9 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Semi closed slots. Closed slots. None of above. Open slots. Semi closed slots. Closed slots. None of above. Open slots. ANSWER DOWNLOAD EXAMIANS APP