Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero unity lagging leading zero unity lagging leading ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous generator. induction generator. synchronous motor. induction motor. synchronous generator. induction generator. synchronous motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the supply terminal of a DC shunt motor are interchanged The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will stop. The direction of rotation will reverse. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will stop. The direction of rotation will reverse. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 200 V. 100 V. 800 V. 400 V. 200 V. 100 V. 800 V. 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is maximum torque. electromagnetic torque. none. starting torque. maximum torque. electromagnetic torque. none. starting torque. 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 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
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