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A piston/cylinder with a cross-sectional area of 0.1 ft2
Chapter 1, Problem 122EUP(choose chapter or problem)
Problem 122EUP
A piston/cylinder with a cross-sectional area of 0.1 ft2 has a piston mass of 200 lbm resting on the stops, as shown in Fig. P1.50. With an outside atmospheric pressure of 1 atm, what should the water pressure be to lift the piston?
FIGURE P1.50
Questions & Answers
QUESTION:
Problem 122EUP
A piston/cylinder with a cross-sectional area of 0.1 ft2 has a piston mass of 200 lbm resting on the stops, as shown in Fig. P1.50. With an outside atmospheric pressure of 1 atm, what should the water pressure be to lift the piston?
FIGURE P1.50
ANSWER:
Solution 122 EUP
Step 1 of 1
We have to find the water pressure to lift the piston.
The force due to the water pressure has to be equal to the weight of the piston and the force due to outside atmospheric pressure.
where,
water pressure in psi
cross sectional area of the
piston/cylinder = 0.1 ft2
mass of the piston =200 lbm