Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be oscillating None of these pulsating and unidirectional steady and unidirectional oscillating None of these pulsating and unidirectional steady and unidirectional 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 180. 170. 150. 160. 180. 170. 150. 160. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where low starting torque. power factor is less. less costly motor is not required. high starting torque. low starting torque. power factor is less. less costly motor is not required. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on both 1 and 2. load angle. frequency. excitation. both 1 and 2. load angle. frequency. excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The torque required. The voltage across the terminals. None of above. The speed of motor. The torque required. The voltage across the terminals. None of above. The speed of motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Ampere law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
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