Copyright Goodheart-Willcox Co., Inc.
Chapter 6 Cylinders 155
12. As a cylinder rod moves back and forth, it
is guided and supported by which of the
following?
A. Gland.
B. Piston.
C. Barrel.
D. Cap.
13. What is the advantage of connecting two
cylinders in series?
A. Keeps the cylinders synchronized.
B. Prevents cavitation.
C. Generates higher lifting force with less
input pressure.
D. Lowers the system’s pressure.
14. Which of the following cylinders has a rod
with the same diameter as the piston?
A. Single acting.
B. Double acting.
C. Telescoping.
D. Ram.
15. Which of the following cylinder input devices
sends a pulse-width modified signal through
the center of the rod and uses a magnet
inside the piston?
A. Potentiometer.
B. Rheostat.
C. Thermistor.
D. Magnetostrictive sensor.
16. The length of a fully collapsed telescopic
cylinder can be as little as _____ of its
extended stroke length?
A. 10 to 20%
B. 20 to 40%
C. 40 to 60%
D. 60 to 80%
17. All of the following are used to dampen a
cylinder to prevent shock loads, EXCEPT:
A. orifice.
B. programmable kick-out.
C. cushion.
D. wear ring.
18. Technician A states that cylinder glands
contain a wear ring. Technician B states that
cylinder pistons contain a wear ring. Who is
correct?
A. Technician A.
B. Technician B.
C. Both A and B.
D. Neither A nor B.
19. Technician A states that telescoping cylinders
can be double acting. Technician B states
that telescoping cylinders can only be single
acting. Who is correct?
A. Technician A.
B. Technician B.
C. Both A and B.
D. Neither A nor B.
20. What type of speed will a telescoping
cylinder exhibit during the initial extension?
A. Slow.
B. Medium.
C. Fast.
21. What type of force will a telescoping cylinder
exhibit during the final stage of extension?
A. Small.
B. Medium.
C. Large.
22. Which of the following has the responsibility
of preventing a cylinder from leaking oil?
A. Piston seal.
B. Rod seal.
C. Rod wiper.
D. Wear ring.
23. Which of the following has the responsibility
of preventing contaminants from entering a
cylinder?
A. Piston seal.
B. Rod seal.
C. Rod wiper.
D. Wear ring.