Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is flat-topped sinusoidal rectangular co- sinusoidal flat-topped sinusoidal rectangular co- sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will not start automatically. start automatically without trouble. get damaged. develop very low starting torque. not start automatically. start automatically without trouble. get damaged. develop very low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by stator of a induction machine. rotor of a dc machine. rotor of an synchronous machine. stator of a dc machine. stator of a induction machine. rotor of a dc machine. rotor of an synchronous machine. stator of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of current without any sparkings reduce eddy current loss collecting of voltage convert ac armature current in to dc collecting of current without any sparkings reduce eddy current loss collecting of voltage convert ac armature current in to dc ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is blowers. lifts and hoists. paper mills. jaw crushers. blowers. lifts and hoists. paper mills. jaw crushers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 60°. 30°. 90°. 120°. 60°. 30°. 90°. 120°. ANSWER DOWNLOAD EXAMIANS APP
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