Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 lap winding wave winding None of these both 1 and 2 lap winding wave winding None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Motor frame. Field. Armature. Coupling mounted on the shaft. Motor frame. Field. Armature. Coupling mounted on the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque decrease and speed increases. Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. Torque decrease and speed increases. Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC motors are stopped by opening line switches and not by forcing the handle of the motor starter back to OFF position. This is due to occurance of Both of above. None of these. Heavy sparking at the first stud of starting resistance steps. Heavy sparking at brushes. Both of above. None of these. Heavy sparking at the first stud of starting resistance steps. Heavy sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the number of rotor slots is equal to number of stator slots, then motor refuses to start. Hence it is known as cogging. crawling. air gap. relative speed. cogging. crawling. air gap. relative speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of voltage reduce eddy current loss collecting of current without any sparkings convert ac armature current in to dc collecting of voltage reduce eddy current loss collecting of current without any sparkings convert ac armature current in to dc ANSWER DOWNLOAD EXAMIANS APP
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