Electrical Machines The 3 - Φ induction motor with rotor circuit open will run normally. get over heated. not run. make noise. run normally. get over heated. not run. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Current in a coil undergoing commutation is not able to get reversed completely by the end of commutation period. It is due to None of these coil resistance. armature emf. reactance voltage induced in the coil. None of these coil resistance. armature emf. reactance voltage induced in the coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 2 KW. 8 KW. 0. 10 KW. 2 KW. 8 KW. 0. 10 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. All of these Bending moment due to weight of the armature. Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. All of these Bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 100 ohm 10 ohm 2 ohm. 0.2 ohm 100 ohm 10 ohm 2 ohm. 0.2 ohm ANSWER DOWNLOAD EXAMIANS APP