Electrical Machines Armature flux is.............with respect to main field flux or main field poles? None of these rotates opposite direction rotates same direction stationary None of these rotates opposite direction rotates same direction stationary ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Twisting stains due to transmission of torque. Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. All of these Twisting stains due to transmission of torque. Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with DC shunt motor. Slip ring induction motor. Reluctance motor. Synchronous motor. DC shunt motor. Slip ring induction motor. Reluctance motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than equal to greater than any of the above less than equal to greater than any of the above 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 450 rpm. 540 rpm. 240 rpm. 470 rpm. 450 rpm. 540 rpm. 240 rpm. 470 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is 0.5. Greater than 1. 0.25. near to 1. 0.5. Greater than 1. 0.25. near to 1. ANSWER DOWNLOAD EXAMIANS APP
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