Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Cummulative compound. Differently compounded. Series. Shunt. Cummulative compound. Differently compounded. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? Increase in reliability All of these Increase efficiency under light load conditions continuity supply is maintained Increase in reliability All of these Increase efficiency under light load conditions continuity supply is maintained ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 72 74 37 36 72 74 37 36 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 45. 180. 30. 270. 45. 180. 30. 270. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is cheaper in cost. of low resistivity. lighter in weight. easy to cast owing to its low melting point and is easily available. cheaper in cost. of low resistivity. lighter in weight. easy to cast owing to its low melting point and is easily available. 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 speed. magnetic inertia. high field resistance. residual flux. high speed. magnetic inertia. high field resistance. residual flux. ANSWER DOWNLOAD EXAMIANS APP