Advanced Rotating Equipment Training Final Assessment (English)

16 Questions | By Awglobaltrain | Updated: Aug 1, 2022 | Attempts: 112

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Advanced Rotating Equipment Training Final Assessment (English) - Quiz

Questions and Answers

1.

What is a common Failure Mode for packing?
- A.
  
  Water enters the bearing
- B.
  
  Uncontrollable Leakage
- C.
  
  Excessive Vibration
- D.
  
  I don't know
2.

What makes the 4400 Gas seal different to the competitors
- A.
  
  Hydrostatic & Hydrodynamic Faces
- B.
  
  In Gland Control System
- C.
  
  Nothing, the competitor seals are better
- D.
  
  Does Not require a complex gas panel to operate
3.

PV = The net closing pressure X sliding velocity
- A.
  
  True
- B.
  
  False
4.

When selecting a barrier fluid you must consider...(You can choose more than 1)
- A.
  
  The freezing point of the barrier fluid
- B.
  
  The process media and conditions being sealed
- C.
  
  The Vapor limit of the barrier fluid
- D.
  
  The viscosity of the barrier fluid
- E.
  
  All of the above
5.

Which direction will the face rotate?
- A.
  
  Clockwise
- B.
  
  Counter-Clockwise
- C.
  
  Clockwise & Counter-Clockwise
6.

What are the major disadvantages of Yellow Kevlar packing?
- A.
  
  The colour
- B.
  
  It causes excessive shaft wear compared to Nomex fibre
- C.
  
  In has low thermal conductivity and retains heat better compared to Nomex
- D.
  
  It does not conduct heat very well compared to Nomex Fibre
7.

Would you recommend this solution?50mm S10 SSC/CBStuffing Box pressure is 2 bar in a 120C Hot water transfer pump
- A.
  
  Yes! If the customer gives me the order!
- B.
  
  No, I would recommend a 180H Seal
- C.
  
  No, there is no seal available for this application
- D.
  
  The seal selection is OK if a Plan 11 recirculation pipe can be added
- E.
  
  I have no idea, I only got back to the hotel at 2am!
8.

What factors affect the cooling requirements of a seal?(You can select more than one)
- A.
  
  Face Material
- B.
  
  O-Ring Material
- C.
  
  Rotation Speed
- D.
  
  Shaft material
- E.
  
  Pump Heatsoak
- F.
  
  Pressure
9.

Being able to asses a seal failure helps solve a customer problem and increase sales
- A.
  
  True
- B.
  
  False
10.

Select the seals that are non-fretting(More than one can be selected)
- A.
  
  Chesterton 491
- B.
  
  Burgmann MG1
- C.
  
  AESSEAL SAI
- D.
  
  John Crane 109B
11.

A SpiralTrac Works by
- A.
  
  Creating Axial Flow to move the solids into its vortex
- B.
  
  Some kind of Magic that I don't understand
- C.
  
  Creating High and Low Pressures in the stuffing box
- D.
  
  Creating low pressure in the stuffing box preventing the solids from entering
12.

When Selecting packing what does the phrase STAMPS mean
- A.
  
  Size, Temperature, Application, Medium, Pressure, Speed
- B.
  
  Speed, Technology, Application, Media, Process, Solution
- C.
  
  Shaft, Thickness, Axial Length, Machinery, Packing, Seal
- D.
  
  I have never heard the phrase STAMPS
13.

The Flush quench and drain ports of mechanical cartridge seals all use different thread types, their is no primary thread type in the industry.
- A.
  
  True
- B.
  
  False
14.

Mechanical Seals mainly operate with...
- A.
  
  Boundary Lubrication
- B.
  
  Mixed Film Lubrication
- C.
  
  Full Film Lubrication
- D.
  
  Excessive Leakage
15.

Select the systems that meet Piping Plan 54
- A.
  
  Pressurized Circulating Tank
- B.
  
  Unpressurized Seal Tank
- C.
  
  Pressurized Seal Tank with Forced Circulation
- D.
  
  Pressurized Plant Water Connected to the Quench & Drain Ports