Steamfitter Pipefitter Level 3 AIT
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. LPS Boiler header grade? - Correct Answer: header to be set with a grade of 1⁄4" per
foot down towards the equalizer (bleeder) line
2. LPS Boiler steam main grade? - Correct Answer: 1" per 20' feet (6.1 m) of horizontal
run
3. Boiler Feedwater Supply Line, minimum sizes for these lines are? - Correct Answer: ∙
1⁄2" on boilers up to 100 sq ft heating surface and∙ 1" on boilers over 100 sq ft heating
surface.
4. General rules for installation of the Hartford loop? - Correct Answer: connects to
bleeder line at a point 2" to 4" below NOWL
5. The general rule for installation of the equalizer line? - Correct Answer: run the full
size of the steam header down to the boiler normal operating water line NOWL
6. ASME code has specific requirements for valves that are used to remove solids from a
boiler through the blow-off line. Minimum sizes? - Correct Answer: a) minimum 3⁄4"
on boilers with less than 100 sq ft of heating surface;
b) minimum 1" on boilers having more than 100 sq ft of heating surface;
, c) maximum size 21⁄2"; if more blowdown is required, use a second blow-off
tapping
7. ASME Section WHAT covers power boilers - Correct Answer: Section I ( 1 )
8. ASME Section WHAT covers heating boilers - Correct Answer: Section IV (4)
9. What is ASME B 31.1 - Correct Answer: Power piping
10. What is ASME B 31.3 - Correct Answer: Chemical plant and petroleum refinery piping
11. What is ABSA - Correct Answer: Alberta Boiler Safety Association
12. What is CSA - Correct Answer: Canadian Standards Association
13. What is CWB - Correct Answer: Canadian Welding Bureau
14. CWB Electrode Marking, what does it mean?
E - 49 - 1 - 8 - Correct Answer: Electrode - 49,000 psi tensile strength - 1 welding
position - 8 coating, current, arc character
15. Low Pressure Boilers are up to how much psi/kPa ? - Correct Answer: 15psi / 103 kPa
16. Low Pressure Boilers are rated by? - Correct Answer: Btu's/hr or EDR
17. Fire tube boilers are considered what? - Correct Answer: High mass boilers
, 18. Fire tube boilers has what inside the tube? - Correct Answer: Product of combustion
19. Firetube boilers can be internal or external fired, list examples? - Correct Answer:
internally fired - scotch marine
externally fired - HRT
20. Water tube boilers has what inside the tubes? - Correct Answer: Water
21. True or false?
Water tube boilers usually have a steam or water drum and tubes between? - Correct
Answer: True
22. What are four methods of draft control? - Correct Answer: Natural
Forced
Induced
Balanced
23. How water boilers are classified by? - Correct Answer: As low or high temperature
24. Low temp hot water boilers are up to what 'F degree? - Correct Answer: up to 250 ' F
25. Hot water boilers are covered under what section of ASME - Correct Answer: Section
I(1)
26. True or false?
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
Instant Download Pdf
1. LPS Boiler header grade? - Correct Answer: header to be set with a grade of 1⁄4" per
foot down towards the equalizer (bleeder) line
2. LPS Boiler steam main grade? - Correct Answer: 1" per 20' feet (6.1 m) of horizontal
run
3. Boiler Feedwater Supply Line, minimum sizes for these lines are? - Correct Answer: ∙
1⁄2" on boilers up to 100 sq ft heating surface and∙ 1" on boilers over 100 sq ft heating
surface.
4. General rules for installation of the Hartford loop? - Correct Answer: connects to
bleeder line at a point 2" to 4" below NOWL
5. The general rule for installation of the equalizer line? - Correct Answer: run the full
size of the steam header down to the boiler normal operating water line NOWL
6. ASME code has specific requirements for valves that are used to remove solids from a
boiler through the blow-off line. Minimum sizes? - Correct Answer: a) minimum 3⁄4"
on boilers with less than 100 sq ft of heating surface;
b) minimum 1" on boilers having more than 100 sq ft of heating surface;
, c) maximum size 21⁄2"; if more blowdown is required, use a second blow-off
tapping
7. ASME Section WHAT covers power boilers - Correct Answer: Section I ( 1 )
8. ASME Section WHAT covers heating boilers - Correct Answer: Section IV (4)
9. What is ASME B 31.1 - Correct Answer: Power piping
10. What is ASME B 31.3 - Correct Answer: Chemical plant and petroleum refinery piping
11. What is ABSA - Correct Answer: Alberta Boiler Safety Association
12. What is CSA - Correct Answer: Canadian Standards Association
13. What is CWB - Correct Answer: Canadian Welding Bureau
14. CWB Electrode Marking, what does it mean?
E - 49 - 1 - 8 - Correct Answer: Electrode - 49,000 psi tensile strength - 1 welding
position - 8 coating, current, arc character
15. Low Pressure Boilers are up to how much psi/kPa ? - Correct Answer: 15psi / 103 kPa
16. Low Pressure Boilers are rated by? - Correct Answer: Btu's/hr or EDR
17. Fire tube boilers are considered what? - Correct Answer: High mass boilers
, 18. Fire tube boilers has what inside the tube? - Correct Answer: Product of combustion
19. Firetube boilers can be internal or external fired, list examples? - Correct Answer:
internally fired - scotch marine
externally fired - HRT
20. Water tube boilers has what inside the tubes? - Correct Answer: Water
21. True or false?
Water tube boilers usually have a steam or water drum and tubes between? - Correct
Answer: True
22. What are four methods of draft control? - Correct Answer: Natural
Forced
Induced
Balanced
23. How water boilers are classified by? - Correct Answer: As low or high temperature
24. Low temp hot water boilers are up to what 'F degree? - Correct Answer: up to 250 ' F
25. Hot water boilers are covered under what section of ASME - Correct Answer: Section
I(1)
26. True or false?
