Electrical Machines Armature resistance control method is used for the _______ ? None of these both 1 and 2 below rated speed above rated speed None of these both 1 and 2 below rated speed above rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Open slots. None of above. Closed slots. Semi closed slots. Open slots. None of above. Closed slots. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P² T∝ P³ T is independent of P T∝ P T∝ P² T∝ P³ T is independent of P T∝ P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola any of the above linearised hyperbola parabola any of the above linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 18.25%. 14.28%. 16.67%. 15.30%. 18.25%. 14.28%. 16.67%. 15.30%. ANSWER DOWNLOAD EXAMIANS APP
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