Electrical Machines The starting resistance of DC motor is generally Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 41% 11% 21% 10% 41% 11% 21% 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to equalizing coils. 3 - Φ AC supply. DC supply. external star-connected resistors. equalizing coils. 3 - Φ AC supply. DC supply. external star-connected resistors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to auto transformer. two winding transformer with secondary open circuited. None of these two winding transformer with secondary short circuited. auto transformer. two winding transformer with secondary open circuited. None of these two winding transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f2. f1.5. f3. f. f2. f1.5. f3. f. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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