Electrical Machines Slot wedges in a dc machine is made up of fibre. cast iron. silicon steel. mild steel. fibre. cast iron. silicon steel. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 40W 60W 80W 100W 40W 60W 80W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.9 lag unity 0.2 lag 0.2 lead 0.9 lag unity 0.2 lag 0.2 lead ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of high speed motor. single phase induction motor. low horse power motor. high torque motor. high speed motor. single phase induction motor. low horse power motor. high torque motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 1.5 to 2. 2 to 3. 3 to 5. 1.0. 1.5 to 2. 2 to 3. 3 to 5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will worsen and terminal voltage will fall improve and terminal voltage will rise . improve but terminal voltage will fall. worsen and terminal voltage will rise. worsen and terminal voltage will fall improve and terminal voltage will rise . improve but terminal voltage will fall. worsen and terminal voltage will rise. ANSWER DOWNLOAD EXAMIANS APP
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