SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Turbomachinery Pumps
4 m3 of water is to be pumped to a height of 20 m and forced into a reservoir at a pressure of 2 × 105 N/m2. The work done by the motor is (external pressure = 105 N/m2)
1
20 × 105 J
2
12 × 105 J
3
20 × 106 J
4
8 × 105 J