Electrical Machines The inertia constant H of a synchronous condenser is greater than that of turbo alternator. none of these. equal to that of the effective length of the line. greater than that of hydro generator. greater than that of turbo alternator. none of these. equal to that of the effective length of the line. greater than that of hydro generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. in both machines. none of above. synchronous motor. induction motor. in both machines. none of above. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The total core loss of a 400 V, 50 Hz transformer is 2400W, when it is supplied by 200 V, 25 Hz loss is 800W. Calculate eddy current loss and hysteresis loss? 800W, 1600W 1400W, 1000W 1000W , 1400W 1600W, 800W 800W, 1600W 1400W, 1000W 1000W , 1400W 1600W, 800W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable frequency. variable supply voltage. variable load. windage friction. variable frequency. variable supply voltage. variable load. windage friction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase transformer the magnitude of leakage reactance is twice that of resistance of both primary and secondary. With secondary short circuited, the input power factor is 1/3 1/√2 2/√5 1/√5 1/3 1/√2 2/√5 1/√5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. Ia2. √Ia. Ia. 1/Ia. Ia2. √Ia. Ia. ANSWER DOWNLOAD EXAMIANS APP