Electrical Machines Which motor cannot be started on no load? both B and C cumulative compound motors shunt motors series motors both B and C cumulative compound motors shunt motors series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly decrease. slightly increase. None of these not change. slightly decrease. slightly increase. None of these not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by compensating winding and commutating poles. shifting the brush axis from GNA to MNA. increasing field excitation. fixing the brush axis inline with the pole axis. compensating winding and commutating poles. shifting the brush axis from GNA to MNA. increasing field excitation. fixing the brush axis inline with the pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Three phase IM. Slip ring IM. Single phase IM. Squirrel cage IM. Three phase IM. Slip ring IM. Single phase IM. Squirrel cage IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively 8.248 and 5.54 Ω. 8.248 and 9.60 Ω. 14.28 and 9.60 Ω. 14.28 and 5.54 Ω. 8.248 and 5.54 Ω. 8.248 and 9.60 Ω. 14.28 and 9.60 Ω. 14.28 and 5.54 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp? None of these. Can't be determined. 15 N. 20 N. None of these. Can't be determined. 15 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
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