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Questions and Answers
What is the purpose of outlet connections in a boiler?
What is the purpose of outlet connections in a boiler?
- To generate steam for the boiler
- To increase the pressure inside the boiler
- To connect the boiler to various controls, instruments, or fittings (correct)
- To regulate the temperature of the boiler
How can fittings and piping be attached to the boiler?
How can fittings and piping be attached to the boiler?
- Welded directly to the drum or shell (correct)
- Connected with rubber bands
- Attached with adhesive tape
- Attached with velcro straps
What falls under the technical jurisdiction of ASME B31.1 Power Piping Code?
What falls under the technical jurisdiction of ASME B31.1 Power Piping Code?
- Boiler cleaning procedures
- Boiler fuel consumption
- Boiler external piping (correct)
- Boiler exterior maintenance
According to ASME B31.1, what is required when two or more boilers are connected to a common header?
According to ASME B31.1, what is required when two or more boilers are connected to a common header?
In Figure 6 described in ASME B31.1, what does Boiler #1 have?
In Figure 6 described in ASME B31.1, what does Boiler #1 have?
What is the purpose of the check valve in the feedwater piping for boilers?
What is the purpose of the check valve in the feedwater piping for boilers?
According to ASME B31.1, what type of valves are preferred for the required steam shut-off valves?
According to ASME B31.1, what type of valves are preferred for the required steam shut-off valves?
When two or more boilers are fed from a common source, what is required in the branch to each boiler?
When two or more boilers are fed from a common source, what is required in the branch to each boiler?
What is the required valve type for blowoff service according to ASME B31.1?
What is the required valve type for blowoff service according to ASME B31.1?
What is the rationale behind requiring slow-opening blowoff valves for boilers with allowable working pressures over 100 psig (690 kPag)?
What is the rationale behind requiring slow-opening blowoff valves for boilers with allowable working pressures over 100 psig (690 kPag)?
What is the minimum pressure rating required for all valves or cocks in a boiler?
What is the minimum pressure rating required for all valves or cocks in a boiler?
Why is it recommended to use outside screw and yoke valves with rising spindles for steam outlets DN 50 or larger?
Why is it recommended to use outside screw and yoke valves with rising spindles for steam outlets DN 50 or larger?
Where should the feedwater connection be arranged to enter the boiler?
Where should the feedwater connection be arranged to enter the boiler?
What does ASME BPVC IV Part HG-705(a) state about introducing feedwater through openings or connections provided for inspection or cleaning, safety valve, water column, water gage glass, or pressure gage?
What does ASME BPVC IV Part HG-705(a) state about introducing feedwater through openings or connections provided for inspection or cleaning, safety valve, water column, water gage glass, or pressure gage?
Why is a check valve installed near the boiler in the feedwater pipe?
Why is a check valve installed near the boiler in the feedwater pipe?
