Advanced Mechanical Seal Quiz #1
Advanced Mechanical Seal Topics
- 1.Chesterton's Rotary Equipment Sales Tool can be used to
- A.
Determine the type of pump you are sealing
- B.
Determine the flow produced by a single seal
- C.
Determine the actual PV based on the operating conditions
- D.
Determine the density of the fluid sealed
- 2.When working to seal a fluid we use environmental controls to make the fluid
- A.
Dirty, hot and sticky
- B.
Clean, cool and lubricious(film forming)
- C.
Dirty, cool and sticky
- D.
Corrosive, abrasive and hot
- 3.It is impossible to demonstrate the financial value of one environmental control versus another.
- A.
True
- B.
False
- 4.If a fluid is sticky and a poor seal face lubricant(molten sulfur) we must
- A.
Use a single seal with a soft carbon seal face versus a tungsten carbide seal face
- B.
Use a dual seal or HVS with a clean barrier fluid/Lubricant pressured to 1 bar higher than the sealed pressure
- C.
Use a metal bellows seal with Inconnel 718 metal bellows and plan 11
- D.
Use a stationary split seal with a high pressure holder
- 5.The best way to determine the best environmental control option is to
- A.
Estimate the costs and match to the process needs
- B.
Select based on the highest sales value
- C.
Specify the Spiraltrac device in every pump
- D.
Specify a flow meter for every pump
- 6.Liquid lubricated mechanical seals can run at high speed with no seal face lubrication
- A.
True
- B.
False
- 7.
![A horizontal split case pump has a suction pressure of 2 bar and a discharge pressure of 10 bar. What is the seal chamber pressure?
- ProProfs]( "A horizontal split case pump has a suction pressure of 2 bar and a discharge pressure of 10 bar. What is the seal chamber pressure?")
A horizontal split case pump has a suction pressure of 2 bar and a discharge pressure of 10 bar. What is the seal chamber pressure?- A.
2 bar
- B.
4 bar
- C.
8 bar
- D.
10 bar
- 8.What is the main difference between a 442 and 442M Split Seal?
- A.
Split versus Non-Split
- B.
Cast Gland Only
- C.
Rotary versus Stationary Seal
- D.
Rotates Narrow Face to Avoid Wiping, Uses a Machined Gland and Allows Motion
- 9.What pump manufacturer and models would you use DirectFit Seals?
- A.
Warman AH Series
- B.
Sulzer APP and APT
- C.
Goulds 3196 Series
- D.
Goulds 4400 Series
- 10.Which mechanical seal model can be used in hot water up to 170 C/350 F with no cooling?
- A.
180
- B.
155
- C.
180H
- D.
150
- 11.Which seal model below is not used on mixers or reactors normally?
- A.
442M
- B.
280M
- C.
150
- D.
4400H-CW
- 12.180H hydro pad seals can work very well in a light slurry.
- A.
True
- B.
False
- 13.If the 180H is used in a service which starts at 150C, then is cooled to 20 C we would expect
- A.
Smooth service
- B.
Happy customers
- C.
Leakage at the cooler temperature
- D.
High heat generation
- 14.The only difference between the 186 and the 186 HT is they use different secondary seals
- A.
True
- B.
False
- 15.A pumping ring seal (180PR/442PR) is typically considered in service above 350 F or 170 C.
- A.
True
- B.
False
Questions: 10 | Attempts: 254 | Last updated: Dec 31, 2012
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