Electrical Machines Which of the following bearings and their uses are correct neither 1 nor 2 both A and B roller bearings → large machines ball bearings → small machines neither 1 nor 2 both A and B roller bearings → large machines ball bearings → small machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 0°. 30°. 45°. 75°. 0°. 30°. 45°. 75°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed? The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. The speed will increase gradually. The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. The speed will increase gradually. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is used in grinders? Split phase IM. Synchronous motor. Capacitor start IM. Capacitor start capacitor run IM. Split phase IM. Synchronous motor. Capacitor start IM. Capacitor start capacitor run IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance due to armature reaction of the machine reactance due to leakage flux combined reactance due to armature reaction and leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine reactance due to leakage flux combined reactance due to armature reaction and leakage flux reactance either due to armature reaction or leakage flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The leakage reactance of a 3-phase alternator is determined by performing open circuit and zero power factor tests. zero power factor and slip tests. short circuit and slip tests. open circuit and short circuit tests. open circuit and zero power factor tests. zero power factor and slip tests. short circuit and slip tests. open circuit and short circuit tests. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS