Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised hyperbola parabola any of the above linearised hyperbola parabola any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. copper. carbon. mica. cast iron. copper. carbon. mica. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 2000. 1000. 500. 0. 2000. 1000. 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines 3rd harmonics are eliminated in induction motor by using star connection. delta connection. zig - zag connection. V connection. star connection. delta connection. zig - zag connection. V connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as these are cheaper in cost, simple and rugged in construction. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. they have very good speed regulation. these are cheaper in cost, simple and rugged in construction. they are capable of operation under range of leading and lagging pf. they have maximum efficiency and maximum starting torque. they have very good speed regulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 45. 30. 180. 270. 45. 30. 180. 270. ANSWER DOWNLOAD EXAMIANS APP
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