Electrical Machines Induction motors have the advantage of less maintenance. less cost. all of below. simple in construction. less maintenance. less cost. all of below. simple in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC series motor. DC shunt and level Compound motor. DC compound motor. DC Shunt motor. DC series motor. DC shunt and level Compound motor. DC compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements regarding dc machines : 1. possible resistance of shunt-field winding is 1 Ω 2. possible resistance of series-field winding is 1 Ω 3. electrographite brushes are used for 230 V, 10 A machines 4. Copper-graphite brushes are used for 230 V, 10 A machines 5. Possible armature-circuit resistance is 1 Ω From these, the correct statements are 1, 4 1, 3, 5 2, 4 ,5 2, 3 , 5 1, 4 1, 3, 5 2, 4 ,5 2, 3 , 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is shaded pole type. capacitor run. capacitor start. split phase. shaded pole type. capacitor run. capacitor start. split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has less magnetic core loss. no magnetic core loss. more magnetic core loss. more copper loss. less magnetic core loss. no magnetic core loss. more magnetic core loss. more copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor run Resistance split phase Capacitor start Shaded pole Capacitor run Resistance split phase Capacitor start Shaded pole ANSWER DOWNLOAD EXAMIANS APP