Electrical Machines Which of the following bearings and their uses are correct neither 1 nor 2 roller bearings → large machines both A and B ball bearings → small machines neither 1 nor 2 roller bearings → large machines both A and B ball bearings → small machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Neglecting all losses, the developed torque (T) of DC separately excited motor, operating under constant terminal voltage is reduced to its output power (P) as T is independent of P. T ∝ √P. T ∝ P. T2 ∝ P3. T is independent of P. T ∝ √P. T ∝ P. T2 ∝ P3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Any of above method. Ward Leonard control. None of above. Rheostatic control. Any of above method. Ward Leonard control. None of above. Rheostatic control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? Compounded DC generator. DC series generator. DC shunt generator. None of these. Compounded DC generator. DC series generator. DC shunt generator. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? MNA None of these GNA either GNA or MNA MNA None of these GNA either GNA or MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Cumulatively compound motor. Series motor. Shunt motor. Differently compared motor. Cumulatively compound motor. Series motor. Shunt motor. Differently compared motor. ANSWER DOWNLOAD EXAMIANS APP