Electrical Machines Which of the following generators are used in arc welding? cumulative compound generators shunt generators series generators differential compound generators cumulative compound generators shunt generators series generators differential compound generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. cage. wound. none of these. linear. cage. wound. none of these. linear. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 500. 200. 750. 100. 500. 200. 750. 100. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. 0o. 90o. Greater than 90o. less than 90o. 0o. 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slight curvature at the lower end of the OCC of a self excited DC generator is due to high field resistance. high speed. magnetic inertia. residual flux. high field resistance. high speed. magnetic inertia. residual flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Differently compounded. Cummulative compound. Shunt. Series. Differently compounded. Cummulative compound. Shunt. Series. ANSWER DOWNLOAD EXAMIANS APP
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