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. 540 rpm. 450 rpm. 240 rpm. 470 rpm. 540 rpm. 450 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for generation of voltage development of torque commutation electromechanical energy conversion generation of voltage development of torque commutation electromechanical energy conversion 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 In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 3600 A. 1200 A. 2400 A. 600 A. 3600 A. 1200 A. 2400 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field in reverse. to a DC source. to earth. to an AC source. in reverse. to a DC source. to earth. to an AC source. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS