Electrical Machines The stator frame in an induction motor is used to protect the whole machine. hold armature stamping in position. ventilate the armature. provide return path for the flux. protect the whole machine. hold armature stamping in position. ventilate the armature. provide return path for the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have leading power factor. less breakdown torque. higher efficiency. more breakdown torque. leading power factor. less breakdown torque. higher efficiency. more breakdown torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature voltage control. Armature circuit resistance control. Field resistance control. Any of above. Armature voltage control. Armature circuit resistance control. Field resistance control. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature or field connections. shunt field connections. armature connections. series field connections. armature or field connections. shunt field connections. armature connections. series field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to supply voltage V 1/V 1/V² V² supply voltage V 1/V 1/V² V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A load of 900 lbs is to be raised with a lift car weighting 855 lbs at a speed of 110 feet per minute, the over balance being 40 % and percentage efficiency 45 %. Find the horse power of the motor without counterweight 170. 180. 160. 150. 170. 180. 160. 150. ANSWER DOWNLOAD EXAMIANS APP
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