Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 4. 16. 8. 32. 4. 16. 8. 32. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively 8.248 and 9.60 Ω. 14.28 and 9.60 Ω. 14.28 and 5.54 Ω. 8.248 and 5.54 Ω. 8.248 and 9.60 Ω. 14.28 and 9.60 Ω. 14.28 and 5.54 Ω. 8.248 and 5.54 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Differently compared motor. Shunt motor. Series motor. Cumulatively compound motor. Differently compared motor. Shunt motor. Series motor. Cumulatively compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the actual arrangement of series wound generator? Armature winding is in series with load. Armature and field both are parallel. Armature and field both are connected. Armature and field both are in series with the load. Armature winding is in series with load. Armature and field both are parallel. Armature and field both are connected. Armature and field both are in series with the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same voltage magnitude same prime mover speed same frequency same phase sequence same voltage magnitude same prime mover speed same frequency same phase sequence ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would remain unchanged be 12.5% be less than 10% be more than 10% remain unchanged be 12.5% be less than 10% be more than 10% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS