1. In a hydraulic system where the area of piston A1 is 6.2in.² &the area of A2is 13.3in.² ,how much weight can be lifted at A2if a force of 58pounds is applied at A1?

2. If the temperature of a gas in a closed system is decreased from 99^o Centigrade to 37^o with an initial volume of 90 cubic inches, what will be the final volume if the pressure does not change?

Calculate your answer to 2 decimal places.

3. An oxygen bottle was serviced to the manufactures recommended pressure of 963 psig at an outside temperature of 42 degrees Fahrenheit. The aircraft flew to the desert where the outside temperature indicated 99 degrees Fahrenheit. What will be the pressure of the oxygen be inside this container when it reached 99^o F? Give your answer in gage pressure and assume a constant volume.

4. In the hydraulic system pictured with a piston of area 11.2 in.²and a piston rod extending outside of the system with area 1.9 in.², what is the resultant force acting to force the piston to the right if the system pressure is 26 lbs. per in.²?

5. In a hydraulic system where the force applied to piston A1 is 51.2pounds & theweight being lifted at A2 is 99 pounds, how far will A2 be raisedif A1is depressed 21.1 inches?

6. If the final pressure of an enclosed gas is 10.1 psig after its volume is increased from 22 cubic inches to 83 cubic inches without a change in temperature, what was its initial pressure in psig?

Calculate your answer to 2 decimal places.

7. In a hydraulic system where the area of piston A1 is 3.8 in.²& the area of A2is 14.2 in.², how far must A1be depressed to raise A2 9.2 inches?

8. In a hydraulic system where the area of piston A1 is 7.7in.² &the area of A2is 10.6in.² ,how much force needs to be applied to A1to lift 61pounds at A2?