Homework #2.docx - 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12....

1. The Hydraulic system is a fluid power system that uses noncompressible fluid.
2. The Pneumatic system is a fluid power system that uses a compressible fluid.
3. The area of a hydraulic piston with a diameter of 3 inches is 7.07 square inches. Page 324
4. The volume of a cylindrical piston hydraulic reservoir with a diameter of 6 inches and height
of 8 inches is 226.2 cubic inches. Page 324
5. The volume of a spherical container with a 12-inch diameter is 904.8 cubic inches.
6. The work from rolling a drum weighing 395-pound with 15 pounds of force is 600 foot-
pounds.
7. When the time used to raise weight it increased , the power increases as well.
8. 33000 foot-pounds of work in a minute is equal to one horsepower.
9. 550 foot-pounds of work in a second is equal to one horsepower.
10. 746 watts of electrical power is equal to one horsepower.
11. One need 0.212 horsepower to hoist 700-pound engine 5 feet in 30 seconds.
12. There is 231 cubic inches in a gallon.