Quiz on information learned from chapter 15

1. A ram cylinder can only have_________________in one direction.

1. movement
2. force
3. rotation

2. A ram cylinder has:

1. a piston with seals to guide it
2. no piston or seals to guide it
3. a non-sealing guide only

3. The area of a cylinder is figured with the formula:

1. F=PA
2. π r2
3. π d2

4. Cylinder force or thrust is figured by the formula:

1. F=PA
2. π r2
3. π d2

5. A 2:1 area ratio cylinder has a rod that is:

1. half the diameter of the piston
2. twice the diameter of the piston
3. half the area of the piston

6. A double rod-end cylinder with the same pressure at either end can have:

1. equal force and speed in both directions of travel
2. higher force in one direction of travel
3. either of the above

7. With the same pressure at either end a single-rod end cylinder has:

1. equal force in both directions of travel
2. more force extending
3. more force retracting

8. Cable cylinders are:

1. twice as long as their stroke
2. three times as long as their stroke
3. slightly longer than their stroke

9. Non-Rotating rod cylinders:

1. allow no radial movement of the piston rod
2. only allow some radial movement of the piston rod
3. can allow a lot of radial movement of the piston rod

 10. This symbol is for a: non-cushioned cylinder cushion rod end only cylinder cushion both ends cylinder

11. Tandem cylinders can have almost_________________the force as a single cylinder.

1. twice
2. three times
3. four times

12. Diaphragm cylinders have:

1. small area and long strokes
2. large area and long strokes
3. large area and short strokes

13. Always size an air cylinder with at least:

1. 10% more force than required
2. 25% more force than required
3. 75% more force than required

14. A cylinder with an actual 2:1 rod in a regeneration circuit will:

1. extend twice as fast as retract
2. extend and retract at the same speed
3. cannot regenerate a 2:1 rod cylinder

15. Hydraulic motors are usually rated in:

1. pounds force
2. lb-in., lb-ft, or Newton-meters torque
3. horsepower

16. Gear on gear hydraulic motors offer:

1. high-torque/low-speed output
2. high-speed/low-torque output
3. high-speed/nominal-torque output

17. Axial or inline piston motors offer:

1. high-torque/low-speed output
2. high-speed/high-torque output
3. both of the above

18. Radial piston hydraulic motors offer:

1. high-torque/low-speed output
2. high-speed/low-torque output
3. high-speed/nominal-torque output

19. Single vane rotary actuators give up to:

1. 90° rotary output
2. 180° rotary output
3. 270° rotary output

 20. This symbol is for a: hydraulic rotary actuator. pneumatic rotary actuator. neither of the above.