Electrical Machines The DC compound motors are generally Differentical compound. None of these. Level Compound. Cummulative compound. Differentical compound. None of these. Level Compound. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 20 V 40 V 50 V zero 20 V 40 V 50 V zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low BDV. low viscosity. high viscosity. low resistivity. low BDV. low viscosity. high viscosity. low resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 2 / 3. 6 / 7. 5 / 6. 4 / 5. 2 / 3. 6 / 7. 5 / 6. 4 / 5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is separately excited. differentially compounded. cumulatively compounded. shunt connected. separately excited. differentially compounded. cumulatively compounded. shunt connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase machine A any of the two machines none of these machine B machine A any of the two machines none of these machine B ANSWER DOWNLOAD EXAMIANS APP
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