Electrical Machines Commutator in DC generator is used for reduce losses collecting of current increase efficiency convert AC armature current in to DC reduce losses collecting of current increase efficiency convert AC armature current in to DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a convection machine. none of above are correct. both are correct. conduction machine. convection machine. none of above are correct. both are correct. conduction machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is less than normal speed. more than normal speed. normal speed. zero. less than normal speed. more than normal speed. normal speed. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an AC synchronous motor. series motor. shunt motor. cummulative compound motor. AC synchronous motor. series motor. shunt motor. cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is positive. high. low. zero. positive. high. low. zero. 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. Mechanical power. Can not be determined. Induced emf. Armature current. Mechanical power. Can not be determined. Induced emf. ANSWER DOWNLOAD EXAMIANS APP