Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 15.30%. 14.28%. 16.67%. 18.25%. 15.30%. 14.28%. 16.67%. 18.25%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a convection machine. none of above are correct. conduction machine. both are correct. convection machine. none of above are correct. conduction machine. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? No wave and lap winding. Lap winding. Both wave and lap winding. Wave winding. No wave and lap winding. Lap winding. Both wave and lap winding. Wave winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : For a level compounded dc generator to run at constant voltage, the series field mmf must effectively compensate 1. armature reaction mmf 2.armature resistance drop 3. brush contact voltage drop Which of these statements is/are correct ? 1, 2 and 3 2 alone 1 and 3 1 and 2 1, 2 and 3 2 alone 1 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thick large and thin less and thin less and thick large and thick large and thin less and thin less and thick ANSWER DOWNLOAD EXAMIANS APP
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