engineering recuitment BHEL Engineer Trainee Mock Test 2025 Fluid Mechanics Pressure Measurement Pascal Law
A force of 400 N is required to open a process control valve. What is the area of diaphragm needed for a diaphragm actuator to open the valve with a control gauge pressure of 70 kPa?
1
0.0095 m2
2
0.0086 m2
3
0.0057 m2
4
0.0048 m2