Electrical Machines The wattage rating of a ceiling fan motor will be 10 - 20 W. 250 - 500 W. 200 - 250 W. 50 - 150 W. 10 - 20 W. 250 - 500 W. 200 - 250 W. 50 - 150 W. 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 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. 8.248 and 9.60 Ω. 14.28 and 9.60 Ω. 14.28 and 5.54 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines, B is bigger than A for the same current rating A is bigger than B for the same current rating A is bigger than B for the same voltage rating both are of the same size for the same current rating B is bigger than A for the same current rating A is bigger than B for the same current rating A is bigger than B for the same voltage rating both are of the same size for the same current rating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. cylindrical. none of these. non uniform cylindrical. salient. cylindrical. none of these. non uniform cylindrical. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. zoom. hum. boo. magnetostriction. zoom. hum. boo. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Stepper motors. Reluctance motors. Induction motors. Universal motors. Stepper motors. Reluctance motors. Induction motors. Universal motors. ANSWER DOWNLOAD EXAMIANS APP