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Suction Hose Quiz

 

1. Define minimum bend radius.
A. The amount of allowable bend between the floor and initial connection.
B. Smallest radius a hose can be routed in service.
C. The distance between fitting on a vacuum hose.
D. The proper amount of flexibility as rated by the hose manufacturer.

2. What is the most common cause of suction hose failure?
A. Corrosive chemicals
B. Incorrect application use
C. Abrasion
D. Collapse

3. What is the normal shelf-life of properly stored industrial hose?
A. Indefinite
B. 6 to 12 months maximum
C. 10 years from the manufacture date
D. 4 - 8 years

4. Why use a suction/vacuum hose that is made with an embedded static wire?
A. To plug into the vacuum device.
B. To dissipate static electricity.
C. To strengthen the hose assembly.
D. For appearance

5. What effect does temperature have on vacuum/suction hose strength and pressure?
A. As temperature rises, strength and pressure increase.
B. As temperature drops, strength and pressure decrease.
C. As temperature rises, strength and pressure decrease
D. As temperature drops, strength and pressure increase.

6. Define the acronym S.T.A.M.P. as it is used when referring to hose selection.
A. Size, Temperature, Application, Media, Pressure
B. Situation, Tolerance, Application, Media, Process
C. Size, Time, Adherence, Mold, Pressure
D. Suction, Temperature, Allowance, Mixing, Process

7. What is the definition of "Working Pressure"?
A. The pressure at which hose bursts during testing.
B. The pressure at which suction hose ceases operation.
C. The vacuum pressure needed to move 10 lbs. of material.
D. The rated pressure of a hose in service.

8. Why is a smooth bore important in the construction of suction/vacuum hose?
A. Makes for easier attachment of fittings.
B. Allows for easy removal for maintenance purposes.
C. Minimizes material build-up.
D. There is no benefit.

9. What is the biggest benefit to using clear PVC suction/vacuum hose?
A. It looks nice.
B. Allows for viewing of material moving through the hose.
C. There is no benefit.
D. It provides a healthier work environment.

10. What is the operating temperature range for PS&E Heavy Duty (ESH Series) Suction Hose when grounded?
A. +15 °F to +150 °F
B. -150 °F to +50 °F
C. 0 °F to 212 °F
D. 32 °F to 212 °F