Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be proportional to square of rotor speed. proportional to rotor speed. zero. constant independent of speed. proportional to square of rotor speed. proportional to rotor speed. zero. constant independent of speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Increase speed Reduce starting torque. Increase acceleration duration. Reduce armature heating. Increase speed Reduce starting torque. Increase acceleration duration. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low resistivity. low viscosity. low BDV. high viscosity. low resistivity. low viscosity. low BDV. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of a DC motor both back emf as well as line current fall. back emf falls and line current increases. both back emf as well as line current increase. back emf increases but line current falls. both back emf as well as line current fall. back emf falls and line current increases. both back emf as well as line current increase. back emf increases but line current falls. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is greater than that of hydro generator. equal to that of the effective length of the line. none of these. greater than that of turbo alternator. greater than that of hydro generator. equal to that of the effective length of the line. none of these. greater than that of turbo alternator. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS