USATALS Process Trouble Shooting Discussion Questions Answer these questions ………………………………………………………… Section A: | Course Hero

USATALS Process Trouble Shooting Discussion Questions Answer these questions ………………………………………………………… Section A: – (Answer Any 15 Questions)
15 x 2= 30 Marks
1. What is difference between distillation and stripping columns?
2. Do distillation column have temperature sensor in every stage?
3. What is the difference between fractional and simple distillation?
4. How do you troubleshoot a pool pump that is making excessive noise?
5. What are the best electrical troubleshooting tips?
6. How do I improve distillation column capacity?
7. Which is more efficient, shell and tube heat exchangers or double pipe exchangers?
8. How do you troubleshoot well pump common problems?
9. What are generator faults and pump faults?
10. Why is steam directly admitted into the distillation column?
11. How do you troubleshoot a submersible well pump?
12. How do you troubleshoot problems with a water pump?
13. What are some reasons why a submersible pump would keep tripping its breaker?
14. How can I troubleshoot a sump pump?
15. What is the difference between bubble cap tray, sieve tray and valve tray in distillation column?
16. How do I reduce the partial pressure by giving stripping steam in the distillation column?
17. What can happen to a shell and tube heat exchanger without an impingement plate, and why?
18. Why do most industries not use packing in atmospheric distillation column and use it only in
vacuum distillation column?
19. What will happen when we increase pressure in a distillation column?
20. What is the proper procedure to drain the remaining liquid over the valve tray of a distillation
column before column inspection?
21. How can I troubleshoot a boiler’s circulator pump that is leaking water?
Section B
PE –Year 2–FINAL ASSESSMENT RESIT2–TPT–AY2019-2020
2 X 10= 20 Marks
Page | 1
1. a) Let’s consider a mixing tank. Two pure component streams, component A and component B enter
the tank. Let’s assume that you want to control the composition of the component A in the mixture
leaving the tank by an automatic controller.
Let’s also assume that the flow of the pure component A entering the tank is fixed and that of the
pure component B can be adjusted.
Identify the Manipulated variable, Controlled variable, error in the above process.
(6 Marks)
b) Let’s consider a heat exchanger. At the steady state, the cooling rate of the hot fluid is equal to the
heating rate of the cold fluid.
When the flowrate of the hot fluid increases, more heat is transferred to the cold fluid and the outlet
temperature of the cold fluid is increased.
The change in the outlet temperature of the cold fluid is gradual. As the size of the heat exchanger
increases, the rate of change in the outlet temperature of the cold fluid becomes: (4 Marks)
PE –Year 2–FINAL ASSESSMENT RESIT2–TPT–AY2019-2020
Page | 2
2. Develop an analytical model of troubleshooting (Flow chart) and discuss the challenges faced by a
Process Plant operator. (10 Marks)
PE –Year 2–FINAL ASSESSMENT RESIT2–TPT–AY2019-2020
Page | 3

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