Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor None of these decreases. increases. remains same. None of these decreases. increases. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? commutation both 2 and 3 reduces the terminal voltage reduction in main field flux commutation both 2 and 3 reduces the terminal voltage reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on voltage load angle reactance both 1and 2 voltage load angle reactance both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are all of above. high initial cost. poor overall efficiency. high maintenance cost. all of above. high initial cost. poor overall efficiency. high maintenance cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. directly. none of these. has no relation. inversely. directly. none of these. has no relation. inversely. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Armature current. Can not be determined. Induced emf. Mechanical power. Armature current. Can not be determined. Induced emf. Mechanical power. ANSWER DOWNLOAD EXAMIANS APP
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