Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant torque. current. speed. power. torque. current. speed. power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on both 1and 2 excitation synchronous reactance load angle both 1and 2 excitation synchronous reactance load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering compensating winding pole stacking All of these pole chamfering compensating winding pole stacking All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 2400 A. 3600 A. 1200 A. 600 A. 2400 A. 3600 A. 1200 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant current control constant torque control constant power control constant voltage control constant current control constant torque control constant power control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
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