Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. none. always opened. always closed. semi closed or semi opened. none. always opened. always closed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a none of above are correct. convection machine. both are correct. conduction machine. none of above are correct. convection machine. both are correct. conduction machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve current level. Improve voltage level. Improve power factor. Improve power level. Improve current level. Improve voltage level. Improve power factor. Improve power level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following type of brush and their application is/are correct electro graphite → large ratings copper graphite → low voltage high current density All of these carbon brush → normal ratings electro graphite → large ratings copper graphite → low voltage high current density All of these carbon brush → normal ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents field winding reactance armature reactance and leakage reactance a reactance operating at synchronous speed All of these field winding reactance armature reactance and leakage reactance a reactance operating at synchronous speed All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 440 A. 40 A. 44 A. 400 A. 440 A. 40 A. 44 A. 400 A. ANSWER DOWNLOAD EXAMIANS APP
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