Electrical Machines Example of double excited machine is DC Shunt Motor Synchronous motor. Both are correct. None of these DC Shunt Motor Synchronous motor. Both are correct. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? Poles should contain residual flux. Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. All of these Poles should contain residual flux. Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is high. low. zero. positive. high. low. zero. positive. 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 0.25 p.u 0.125 p.u 0.75 p.u 0.5 p.u 0.25 p.u 0.125 p.u 0.75 p.u 0.5 p.u ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? No load. Full load. None of these. Low load. No load. Full load. None of these. Low load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be pulsed wave. triangular wave. sine wave. square wave. pulsed wave. triangular wave. sine wave. square wave. ANSWER DOWNLOAD EXAMIANS APP
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