Electrical Machines Dynamic braking can be used for shunt motors. series motors. All of these compound motors. shunt motors. series motors. All of these compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as both A and B. an insulator. inert medium. a coolant. both A and B. an insulator. inert medium. a coolant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Kh is hysteresis constant, f is supply frequency, Bm maximum flux density in core of transformer, the expression of hysteresis loss in transformer, is given by KhfBm. KhfBm1.6. KhfBm3. Khf2Bm1.6. KhfBm. KhfBm1.6. KhfBm3. Khf2Bm1.6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC 4 pole lap wound generator is running at 1000 rpm having 1200 conductors and flux density is 10 mwb. find the generated emf? 10V 200V 100V 20V 10V 200V 100V 20V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. semi closed or semi opened. none. always closed. always opened. semi closed or semi opened. none. always closed. always opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If peak value of phase mmf is F max , then peak value of the rotating field caused by three phase is (3/2)Fmax. (1/2)Fmax. 3Fmax. Fmax. (3/2)Fmax. (1/2)Fmax. 3Fmax. Fmax. ANSWER DOWNLOAD EXAMIANS APP
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