INTRO PTEC CHAPTERS 14-17 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. What type of weld is used if the pipes are the same diameter?
Answer:
Butt weld
Question:
2. What of the following is a concern of a process designer when working with piping and valve systems?
Answer:
Flammability of the substance
Question:
3. What valve should be used for throttling?
Answer:
Globe
Question:
4. What activity should you perform to maintain valves?
Answer:
- Make sure the valve is not being overly tightened
- Listen for abnormal noises
- Make sure there are no leaks
Question:
5. What piping is a type of pipe connection in which two matching plates are joined together with bolts?
Answer:
Flange
Question:
6. What type of valve is a flow-regulating device that uses a flow-control element shaped like a
hollowed-out plug, attached to an external handle, to increase or decrease flow?
Answer:
Plug valve
Question:
7. Which of the following is the symbol for a diaphragm valve?
Answer:
C.
, Question:
8. What type of connection is typically found on PVC or HDPE pipes?
Answer:
Glued
Question:
9. When building a process facility, what is not a possible result from improper material selection?
Answer:
cost savings
Question:
10. What construction material is easy to install and lightweight?
Answer:
Plastics
Question:
11. What joint connection should be used if the pipe is used in high-pressure, flammable, or corrosive
service?
Answer:
Welded
Question:
12. Which improper operation would most likely cause valve damage to the disc and seat to the point
where it might stop flow, even when closed?
Answer:
Throttling a valve that is not designed for throttling
Question:
13. What type of fitting is a short length of pipe with threads throughout?
Answer:
Allthread
Question:
14. What can cause injury due to equipment over pressurization?
QUESTIONS AND CORRECT ANSWERS
Question:
1. What type of weld is used if the pipes are the same diameter?
Answer:
Butt weld
Question:
2. What of the following is a concern of a process designer when working with piping and valve systems?
Answer:
Flammability of the substance
Question:
3. What valve should be used for throttling?
Answer:
Globe
Question:
4. What activity should you perform to maintain valves?
Answer:
- Make sure the valve is not being overly tightened
- Listen for abnormal noises
- Make sure there are no leaks
Question:
5. What piping is a type of pipe connection in which two matching plates are joined together with bolts?
Answer:
Flange
Question:
6. What type of valve is a flow-regulating device that uses a flow-control element shaped like a
hollowed-out plug, attached to an external handle, to increase or decrease flow?
Answer:
Plug valve
Question:
7. Which of the following is the symbol for a diaphragm valve?
Answer:
C.
, Question:
8. What type of connection is typically found on PVC or HDPE pipes?
Answer:
Glued
Question:
9. When building a process facility, what is not a possible result from improper material selection?
Answer:
cost savings
Question:
10. What construction material is easy to install and lightweight?
Answer:
Plastics
Question:
11. What joint connection should be used if the pipe is used in high-pressure, flammable, or corrosive
service?
Answer:
Welded
Question:
12. Which improper operation would most likely cause valve damage to the disc and seat to the point
where it might stop flow, even when closed?
Answer:
Throttling a valve that is not designed for throttling
Question:
13. What type of fitting is a short length of pipe with threads throughout?
Answer:
Allthread
Question:
14. What can cause injury due to equipment over pressurization?
