QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026 |INSTANT DOWNLOAD PDF
1. What is the primary purpose of a pipefitter in industrial
systems?
A. Electrical wiring installation
B. Installing and maintaining piping systems
C. Painting industrial structures
D. Operating heavy machinery
Rationale: Pipefitters specialize in assembling, installing, and
maintaining piping systems that transport fluids and gases in
industrial settings.
Correct Answer: B. Installing and maintaining piping systems
2. Which material is most commonly used for high-pressure
steam piping?
A. PVC
B. Copper
C. Carbon steel
D. Aluminum
Rationale: Carbon steel is preferred for high-pressure steam
due to its strength and heat resistance.
Correct Answer: C. Carbon steel
,3. What does ASME primarily provide in pipefitting work?
A. Electrical codes
B. Safety standards for boilers and pressure vessels
C. Plumbing fixtures
D. Welding tools
Rationale: ASME sets standards for pressure equipment,
including piping systems and boilers.
Correct Answer: B. Safety standards for boilers and pressure
vessels
4. Which tool is used to tighten and loosen pipe fittings?
A. Hacksaw
B. Pipe wrench
C. Chisel
D. Hammer
Rationale: Pipe wrenches are designed specifically to grip and
turn pipes and fittings.
Correct Answer: B. Pipe wrench
5. What is the function of a pipe flange?
A. To cut pipes
B. To connect pipes and allow easy disassembly
C. To measure pressure
D. To insulate pipes
,Rationale: Flanges are used to connect pipes, valves, and
equipment and can be easily disassembled.
Correct Answer: B. To connect pipes and allow easy
disassembly
6. Which welding process is commonly used in pipefitting?
A. MIG welding only
B. Stick welding (SMAW)
C. Spot welding
D. Laser cutting
Rationale: SMAW is widely used in field pipe welding due to
versatility and portability.
Correct Answer: B. Stick welding (SMAW)
7. What is the purpose of a pipe thread sealant?
A. To increase pipe diameter
B. To prevent leakage at threaded joints
C. To cool pipes
D. To strengthen pipe walls
Rationale: Sealants prevent leaks by filling gaps in threaded
connections.
Correct Answer: B. To prevent leakage at threaded joints
8. Which unit is commonly used to measure pipe diameter?
, A. Liters
B. Inches
C. Pascals
D. Ohms
Rationale: Pipe diameter is typically measured in inches in
industrial piping systems.
Correct Answer: B. Inches
9. What does a pipe elbow do in a piping system?
A. Increases pressure
B. Changes direction of flow
C. Filters fluid
D. Measures flow rate
Rationale: Elbows are fittings used to change the direction of
piping.
Correct Answer: B. Changes direction of flow
10. What is the purpose of a pressure gauge in piping
systems?
A. To measure temperature
B. To measure fluid pressure
C. To regulate flow direction
D. To cut pipes