1. A hydraulic cylinder must be able to exert a force of 90 kN. The piston diame
ID: 1789283 • Letter: 1
Question
1. A hydraulic cylinder must be able to exert a force of 90 kN. The piston diameter is 40 mm. Compute the required pressure in the oil [Ch1]. 2. A village of 90 people desires a tank to store a 5-day supply of water. If the average daily usage per person is 2.3 gallons, determine the size of the tank in cubic meters. In the diagram below is shown a vehicle lift. An air compressor maintains pressure above the oil reservoir. What must the air pressure be if the pressure at point A must be at least 275 psi? [Ch3] 3. Sg-0.85 75 inExplanation / Answer
1.
As F = 90000 N
d = 40 mm = 0.04 m
r = 0.02 m
A = pi*r2 = 1.256*10-3 m2
So
P = F/A = 90000/1.256*10-3 = 716.56*105 Pa
2.
Total required volume, V = 90*2.3*5 = 1035 gallon = 1035*0.00378541 = 3.917 m3
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.