Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Field. Motor frame. Armature. Coupling mounted on the shaft. Field. Motor frame. Armature. 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 Heavy sparking at brushes. None of these. Both of above. Heavy sparking at the first stud of starting resistance steps. Heavy sparking at brushes. None of these. Both of above. Heavy sparking at the first stud of starting resistance steps. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 2 mg of KOH / gm. 1 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. 1 mg of KOH / gm. 0.5 mg of KOH / gm. 0.3 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be no resistance is connected. series. any one of the connection. parallel. no resistance is connected. series. any one of the connection. parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? shaded, shaded shaded, unshaded unshaded, unshaded unshaded, shaded shaded, shaded shaded, unshaded unshaded, unshaded unshaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f. f2. f3. f1.5. f. f2. f3. f1.5. ANSWER DOWNLOAD EXAMIANS APP
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