The gauge glass, water column and connecting lines should be blown through
A. Weekly
B. Monthly
C. Daily
D. Annually
E. Semi-Annually
Answer: C
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Power Engineering Chapter 65
- Which ASME code states "If the water level is above the visible range of the gauge glass, shut off the feed water,fuel, and combustion air in that order."
- High water level is usually caused by?
- Which ASME code states "If the water level is below the gauge glass, the safest and most conservative action is to shut off fuel and air, but continue to feed water slowly until the normal water level is restored"
- If the operator is unable to see the water level in the gauge glass, what should be done?
- The boiler should be at __%(or more) of maximum when sootblowers are in service.
- Soot Blowers should be operated
- Stack temperature should be checked
- In the stack, a white plume is due to the presence of __ from the combustion process
- If the steam increases in a boiler, the amount of fuel burned in the boiler furnace must
- Low water level alarm should be checked
- A high water level in a boiler:
- One cause of flame failure in oil or gas fired boilers is:
- Failure to _____ the furnace thoroughly before light-up can cause a furnace explosion.
- The water level in a boiler is dropping rapidly, even though you have increased the water supply. What should you do?
- A boiler pressure explosion:
- If a low water condition occurs in a boiler, the engineer in charge should:
- Operating sootblowers when the boiler load is too low may cause:
- A reason for many boiler accidents may be:
- A boiler pressure explosion is NOT caused by:
- The best way to ensure adequate attention is being given to a boiler, including its controls and safety devices, is to:
- Furnace explosions may be caused by:
- The burner flame in a natural gas fired power boiler should be:
- A wide and rapid fluctuation of the water level in a boiler gauge glass may be the result of:
- Poor combustion due to insufficient _____ may cause a furnace explosion.