Electrical Machines As compared to an induction motor, the air gap in a DC motor is between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. less than 50%. more. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be somewhat more than 230 V 6 V 230 V somewhat less than 230 V somewhat more than 230 V 6 V 230 V somewhat less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors None of these shunt motors either of these series motors None of these shunt motors either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv2. Bl2v. Bl2v2. Blv. Blv2. Bl2v. Bl2v2. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant power. torque. current. speed. power. torque. current. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 240 rpm. 470 rpm. 450 rpm. 540 rpm. 240 rpm. 470 rpm. 450 rpm. 540 rpm. ANSWER DOWNLOAD EXAMIANS APP
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