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. Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be stiff. hollow. flexible. any of these. stiff. hollow. flexible. any of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design reduces the weigh per KVA has no relation with the weight of transformer increases the weigh per KVA None of these reduces the weigh per KVA has no relation with the weight of transformer increases the weigh per KVA None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has maximum value. total value. average value. rms value. maximum value. total value. average value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt. 800 Amp. 400 Amp. 320 Amp. 0.5 Amp. 800 Amp. 400 Amp. 320 Amp. 0.5 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase rotor resistance supply voltage None of these supply frequency rotor resistance supply voltage None of these supply frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS