Electrical Machines Two transformers operating in parallel will share the load depending on their per unit impedance efficiency ratings leakage reactance per unit impedance efficiency ratings leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. vibrations. any of these. over excitation. heating. vibrations. any of these. over excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Cast iron bearings. Ball bearings. None of these Bush bearings. Cast iron bearings. Ball bearings. None of these Bush bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results short circuit. decrease in speed. increase in speed. open circuit. short circuit. decrease in speed. increase in speed. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will increase by 5 %. reduce by 5 %. depend on other factors. remain unchanged. increase by 5 %. reduce by 5 %. depend on other factors. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? below rated speed None of these both 1 and 2 above rated speed below rated speed None of these both 1 and 2 above rated speed ANSWER DOWNLOAD EXAMIANS APP
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