Packing L1 - Day One Quiz
Quiz after day one of the packing school level 1
- 1.1) What type of fiber is Kevlar?
- A.
Aramid
- B.
Carbon
- C.
Cotton
- D.
Fiberglass
- 2.1) At what temperature does PTFE glaze (Chesterton temperature to watch out for)
- A.
500 F
- B.
350 F
- C.
600 F
- D.
400 F
- 3.1) What pressure should the flush pressure be set above stuffing box pressure?
- A.
1 Bar (14.5 PSI)
- B.
.5 Bar (7 PSI)
- C.
2 Bar (30 PSI)
- 4.What is NOT a quality of Exfoliated Graphite
- A.
Continuous fiber
- B.
Build in Lubrication
- C.
Created with graphite powder
- D.
Comes in layered graphite sheet
- 5.What braiding style utilizes larger strands?
- A.
Square
- B.
Interbraid
- 6.What helps to stop wicking
- A.
Break in lube
- B.
Built in lube
- 7.With modern fibers, and lubrication, there is little need for lubricating the packing through the lantern ring.
- A.
True
- B.
False
- 8.What fiber can "glaze"
- A.
PTFE
- B.
Carbon
- C.
Fiberglass
- D.
Flax
- 9.What packing is made with Nomex fiber
- A.
1730
- B.
1760
- C.
1727
- D.
412-W
- 10.What quality PTFE does NOT have
- A.
High thermal growth rate
- B.
Low Coef of friction
- C.
Continuous fiber
- D.
Oxidation limit of 800 F
- 11.If a shaft is 10 inches, and the box ID is 12 Inches, what is the cross section?
- A.
1 inch
- B.
2 inch
- C.
.500 inch
- D.
.750 inch
- 12.Check off what is natural fiber
- A.
Raime
- B.
Hemp
- C.
Cotton
- D.
Aramid
- E.
PTFE
- F.
Fiberglass
- G.
Graphite
- 13.What is NOT considered a man made fiber
- A.
Carbon
- B.
Aramid
- C.
Flax
- D.
PTFE
- 14.What is the pH limit of 412W
- A.
3-7
- B.
1-14
- C.
4-10
- D.
0-14
- 15.What is the pH limit of PTFE
- A.
2-12
- B.
5-10
- C.
0-14
- D.
1-14
- 16.If you have a pump with a stuffing box pressure of 30 PSI, a shaft of 2.5", box bore of 3.5", and a pH of 12, what is the correct answer.
- A.
1730, 3/4", and a flush pressure of 40 PSI
- B.
412W, .500", and a flush pressure of 50 PSI
- C.
1730, .500", and a flush pressure of 45 PSI
- D.
412W, .500", and a flush pressure of 45 PSI
- 17.If a customer has 5 pumps with a shaft size of 3" and a cross section of .500", all needed 5 rings of packing, how many feet of packing will they need to pack the pumps?
- A.
22.9
- B.
275
- C.
55
- D.
4.5
- 18.What is the inter-braided version of 1400R?
- A.
Graphmax
- B.
1400R-IB
- C.
1400
- D.
412-W
- 19.(Imperial) If a pump has a shaft/sleeve at 3" and a speed of 3000 RPM, what is the shaft speed? (Si) if a pump has a shaft/sleeve at 30 mm and a speed of 3000 RPM, what is the shaft speed?
- A.
2355 FPM (4.7 MPS)
- B.
750 FPM(282 MPS)
- C.
28260 FPM(1.5 MPS)
- D.
12 FPM(12 MPS)
- 20.In modern times, Lantern Rings are used for only this reason:
- A.
To keep the packing cool
- B.
To keep the packing lubricated
- C.
To provide a Clean fluid to keep solids out of packing area
- D.
To allow leakage to warn of packing perofrmance
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