Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Good voltage regulation None of these High voltage regulation Low short circuit current Good voltage regulation None of these High voltage regulation Low short circuit current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 850 rpm 950 rpm 1000 rpm 900 rpm 850 rpm 950 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In 3 - Φ induction motor some times copper bars are placed deep in the rotor to reduce copper loss. improve starting torque. improve efficiency. improve power factor. reduce copper loss. improve starting torque. improve efficiency. improve power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. Both option B and C. To get a superior commutation. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. Both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is none of these. greater than that of hydro generator. greater than that of turbo alternator. equal to that of the effective length of the line. none of these. greater than that of hydro generator. greater than that of turbo alternator. equal to that of the effective length of the line. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 synchronous reactance load angle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS