Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv. Blv2. Bl2v2. Bl2v. Blv. Blv2. Bl2v2. Bl2v. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 950 rpm 900 rpm 850 rpm 1000 rpm 950 rpm 900 rpm 850 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is None of these leading power factor unity power factor lagging power factor None of these leading power factor unity power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. percentage impedance. efficiency. rating. leakage reactance. percentage impedance. efficiency. rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? Copper loss both 1 and 2 windage and friction loss core loss only Copper loss both 1 and 2 windage and friction loss core loss only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate reactance voltage produced due to communication. the use equalizer in lap winding. the use drum winding. the use of compensating winding. reactance voltage produced due to communication. the use equalizer in lap winding. the use drum winding. the use of compensating winding. ANSWER DOWNLOAD EXAMIANS APP