NCCER PIPEFITTING CERTIFICATION PRACTICE
EXAM LATEST 2026 UPDATE FAST REVIWED FROM
ACTUAL TEST 100 QUESTIONS AND 100% VERIFIED
ANSWERS| A+ GRADE Q&A | INSTANT DOWNLOAD
PDF
1. Which of the following is the primary purpose of a pipefitter?
A. To install electrical wiring
B. To assemble and install pipe systems
C. To operate heavy machinery
D. To design architectural plans
Pipefitters specialize in installing, maintaining, and repairing piping systems.
2. What does OSHA stand for?
A. Occupational Safety and Health Administration
B. Organization of Safety and Hazard Apprentices
C. Occupational Safety and Health Administration
D. Office of Safety and Health Assessments
OSHA sets and enforces workplace safety standards.
3. What is the most common material for high-pressure steam piping?
A. PVC
B. Carbon steel
C. Copper
D. Aluminum
Carbon steel can withstand high temperature and pressure.
4. A weld neck flange is primarily used for:
A. Decorative purposes
B. Quick disassembly
C. High stress applications
D. Low-pressure gas only
Weld neck flanges provide strength in severe applications.
5. Which tool is used to cut pipe to length?
A. Adjustable wrench
B. Hammer
C. Portable band saw
D. Screwdriver
Portable band saws make accurate cuts in pipe.
6. What is pipe “wall thickness” measured in?
A. Inches
B. Feet
C. Schedule
D. Gauge numbers
Pipe schedule indicates thickness irrespective of outside diameter.
, 7. What personal protective equipment (PPE) is required when threading pipe?
A. Hard hat only
B. Eye protection
C. Ear plugs only
D. Sandals
Eye protection guards against metal shavings.
8. What is the purpose of a union fitting?
A. To increase flow
B. To allow easy disconnection
C. To measure pressure
D. To act as a permanent seal
Unions make piping sections removable.
9. Which threading standard is common in pipefitting?
A. UNC
B. NPT
C. ISO
D. Metric
National Pipe Thread (NPT) is used in piping.
10. What is the primary hazard of soldering lead-bearing materials?
A. Burns only
B. Lead poisoning
C. Freezing
D. Electrocution
Lead exposure is a serious health risk.
11. Which gauge is used to measure pipe wall thickness?
A. Tape measure
B. Thermometer
C. Caliper
D. Speed square
Calipers measure thickness precisely.
12. A reducer fitting is used to:
A. Increase pipe size
B. Change pipe size
C. Measure velocity
D. Filter debris
Reducers connect different pipe diameters.
13. Which joint type allows for angular rotation?
A. Weld only
B. Threaded only
C. Swivel
D. Flanged fixed
Swivel fittings permit angular adjustment.
14. Which valve type is best for on/off control?
A. Globe valve
B. Ball valve
C. Needle valve
EXAM LATEST 2026 UPDATE FAST REVIWED FROM
ACTUAL TEST 100 QUESTIONS AND 100% VERIFIED
ANSWERS| A+ GRADE Q&A | INSTANT DOWNLOAD
1. Which of the following is the primary purpose of a pipefitter?
A. To install electrical wiring
B. To assemble and install pipe systems
C. To operate heavy machinery
D. To design architectural plans
Pipefitters specialize in installing, maintaining, and repairing piping systems.
2. What does OSHA stand for?
A. Occupational Safety and Health Administration
B. Organization of Safety and Hazard Apprentices
C. Occupational Safety and Health Administration
D. Office of Safety and Health Assessments
OSHA sets and enforces workplace safety standards.
3. What is the most common material for high-pressure steam piping?
A. PVC
B. Carbon steel
C. Copper
D. Aluminum
Carbon steel can withstand high temperature and pressure.
4. A weld neck flange is primarily used for:
A. Decorative purposes
B. Quick disassembly
C. High stress applications
D. Low-pressure gas only
Weld neck flanges provide strength in severe applications.
5. Which tool is used to cut pipe to length?
A. Adjustable wrench
B. Hammer
C. Portable band saw
D. Screwdriver
Portable band saws make accurate cuts in pipe.
6. What is pipe “wall thickness” measured in?
A. Inches
B. Feet
C. Schedule
D. Gauge numbers
Pipe schedule indicates thickness irrespective of outside diameter.
, 7. What personal protective equipment (PPE) is required when threading pipe?
A. Hard hat only
B. Eye protection
C. Ear plugs only
D. Sandals
Eye protection guards against metal shavings.
8. What is the purpose of a union fitting?
A. To increase flow
B. To allow easy disconnection
C. To measure pressure
D. To act as a permanent seal
Unions make piping sections removable.
9. Which threading standard is common in pipefitting?
A. UNC
B. NPT
C. ISO
D. Metric
National Pipe Thread (NPT) is used in piping.
10. What is the primary hazard of soldering lead-bearing materials?
A. Burns only
B. Lead poisoning
C. Freezing
D. Electrocution
Lead exposure is a serious health risk.
11. Which gauge is used to measure pipe wall thickness?
A. Tape measure
B. Thermometer
C. Caliper
D. Speed square
Calipers measure thickness precisely.
12. A reducer fitting is used to:
A. Increase pipe size
B. Change pipe size
C. Measure velocity
D. Filter debris
Reducers connect different pipe diameters.
13. Which joint type allows for angular rotation?
A. Weld only
B. Threaded only
C. Swivel
D. Flanged fixed
Swivel fittings permit angular adjustment.
14. Which valve type is best for on/off control?
A. Globe valve
B. Ball valve
C. Needle valve
