Electrical Machines The heat generated in the transformer is dissipated mainly by conduction. convection. All of these radiation. conduction. convection. All of these radiation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Doubled. Remains same. Eight times. Four times. Doubled. Remains same. Eight times. Four times. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their efficiency ratings leakage reactance per unit impedance efficiency ratings leakage reactance per unit impedance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to All of these improve starting torque improve the power factor reduce hunting All of these improve starting torque improve the power factor reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Blowers. Centrifugal pumps. Air compressors. Conveyers. Blowers. Centrifugal pumps. Air compressors. Conveyers. ANSWER DOWNLOAD EXAMIANS APP
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