Electrical Machines Transformer cooling and insulating oil must be of low resistivity. low BDV. high viscosity. low viscosity. low resistivity. low BDV. high viscosity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is 0.5 lagging zero unity 0.707 lagging R = S.X 0.5 lagging zero unity 0.707 lagging R = S.X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? no load half load full load any of the above no load half load full load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? None of these Shaded pole motor. PSC (permanent split capacitor) motor. Split phase motor. None of these Shaded pole motor. PSC (permanent split capacitor) motor. Split phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 0.1 Ω 50 Ω 10 Ω 100 Ω 0.1 Ω 50 Ω 10 Ω 100 Ω ANSWER DOWNLOAD EXAMIANS APP
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