Electrical Machines When two DC series motors are connected in parallel, the resultant speed is normal speed. less than normal speed. zero. more than normal speed. normal speed. less than normal speed. zero. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in synchronous motor. dc shunt motor. squirrel cage induction motor. slip ring induction motor. synchronous motor. dc shunt motor. squirrel cage induction motor. slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used to take up the expansion of oil due to temperature rise. for better cooling of transformer. to act as an oil storage. None of these to take up the expansion of oil due to temperature rise. for better cooling of transformer. to act as an oil storage. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an series motor. cummulative compound motor. AC synchronous motor. shunt motor. series motor. cummulative compound motor. AC synchronous motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to zero. unity. two. infinity. zero. unity. two. infinity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. Any of above method. Rheostatic control. None of above. Ward Leonard control. Any of above method. Rheostatic control. None of above. ANSWER DOWNLOAD EXAMIANS APP