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 0. 2 KW. 10 KW. 8 KW. 0. 2 KW. 10 KW. 8 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Value of specific electric loading of Induction motor is in the range of 400 - 4000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to uneven air gap. overload. poor lubrication. overheating of winding. uneven air gap. overload. poor lubrication. overheating of winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetic neutral axis. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 4000 rpm. 1500 rpm. 3600 rpm. 3000 rpm. 4000 rpm. 1500 rpm. 3600 rpm. 3000 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Cast iron. Silicon steel. Fibre. Mild steel. Cast iron. Silicon steel. Fibre. Mild steel. ANSWER DOWNLOAD EXAMIANS APP
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