Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. inversely. directly. has no relation. none of these. inversely. directly. has no relation. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1435. 1500. 1440. 1450. 1435. 1500. 1440. 1450. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on stationary magnetic field. rotating magnetic field. None of these either of these. stationary magnetic field. rotating magnetic field. None of these either of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results short circuit. decrease in speed. increase in speed. open circuit. short circuit. decrease in speed. increase in speed. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to 1/P² P² 1/P Power P 1/P² P² 1/P Power P ANSWER DOWNLOAD EXAMIANS APP
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