engineering recuitment GATE ME 2023-24 Test Series Physics Work Power and Energy Conservation of Mechanical Energy
A Fan consumes 200 W of electric power and discharges air from a ventilation room at the rate of 1kg/s. What will be the positive air velocity from the fan?
1
200 m/s
2
20 m/s
3
42 m/s
4
4.2 m/s