Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. Full load. No load. Low load. None of these. Full load. No load. Low load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines During no load test, an induction motor draws power for core loss and windage and friction loss. for copper loss and windage friction loss. only for the small copper loss. for core loss and copper loss. for core loss and windage and friction loss. for copper loss and windage friction loss. only for the small copper loss. for core loss and copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2 A armature current at no-load, when the armature current is changed to 20 A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 4575.4 r.p.m. none of above. 1130 r.p.m. 1037.5 r.p.m. 4575.4 r.p.m. none of above. 1130 r.p.m. 1037.5 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will decrease None of these increase either increase or decrease decrease None of these increase either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is dependent upon the load. 180o. 0o. 90o. dependent upon the load. 180o. 0o. 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor requires 3 point starter? Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. Series motor. Shunt motor. Shunt, compound and series motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
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