Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 60° 30° 18° 20° 60° 30° 18° 20° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because air friction will prevent it. none of above. induction motor will become synchronous motor. rotor torque will not be produced. air friction will prevent it. none of above. induction motor will become synchronous motor. rotor torque will not be produced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process how alternate flux affects the main field flux. by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. how alternate flux affects the main field flux. by which electric current in a coil is reversed. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger bore diameter. larger output. both. none. larger bore diameter. larger output. both. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? DC series motor. Shunt motor. Synchronous motor. Separately compound motor. DC series motor. Shunt motor. Synchronous motor. Separately compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 1000W 100W 3000W 500W 1000W 100W 3000W 500W ANSWER DOWNLOAD EXAMIANS APP
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