Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 250 A. 340 A. 460 A. 570 A. 250 A. 340 A. 460 A. 570 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Separately compound motor. Synchronous motor. Shunt motor. DC series motor. Separately compound motor. Synchronous motor. Shunt motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Effiency. Speed regulation. Starting torque. Running Torque. Effiency. Speed regulation. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical on it because otherwise it will Develop excessive speed and damage itself. Draw too much current. Produce sparking at brushes. Open fuse or circuit breaker. Develop excessive speed and damage itself. Draw too much current. Produce sparking at brushes. Open fuse or circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed motor will become slow. It will run in opposite direction. motor will not run. It will run in same direction. motor will become slow. It will run in opposite direction. motor will not run. It will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
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