Electrical Machines Which type of motors are preferred in lifts? DC compound motors. None of these DC shunt motors. DC series motors. DC compound motors. None of these DC shunt motors. DC series motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on voltage reactance both 1and 2 load angle voltage reactance both 1and 2 load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To have sparkless commutation, the armature reaction effect in a DC machine is neutralized by shifting the brush axis from GNA to MNA. increasing field excitation. compensating winding and commutating poles. fixing the brush axis inline with the pole axis. shifting the brush axis from GNA to MNA. increasing field excitation. compensating winding and commutating poles. fixing the brush axis inline with the pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is leading power factor unity power factor lagging power factor None of these leading power factor unity power factor lagging power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is core. magnetic field poles. none of these. armature. core. magnetic field poles. none of these. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to f2 V2 V f f2 V2 V f ANSWER DOWNLOAD EXAMIANS APP
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