Electrical Machines Compensating winding is placed in the pole shoe main field All of these armature core pole shoe main field All of these armature core ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Parallel. Series. Compound. None of the options. Parallel. Series. Compound. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current None of these High voltage regulation Good voltage regulation Low short circuit current None of these High voltage regulation Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer has resistance and reactance in per unit as 0.01 and 0.04 respectively. Its voltage regulation for 0.8 power factor lagging and leading will be 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% 6% and -4% 4.8% and -3.2% None of these 3.2% and -1.6% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Cast iron bearings. Bush bearings. None of these Ball bearings. Cast iron bearings. Bush bearings. None of these Ball bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Bending moment due to weight of the armature. All of these Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. Bending moment due to weight of the armature. All of these Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. ANSWER DOWNLOAD EXAMIANS APP