As the boiler pressure increases, the bourdon tube of the pressure gauge will
a) tend to straighten
b) compress more
c) become less circular in cross-section
d) become smaller in diameter
e) tend to twist
Answer: A
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Power Engineering Chapter 93
- A compound gauge shows both:
- The cross-section of a Bourdon tube is generally
- The working medium in the dead weight tester is
- When installing a siphon it
- A function of a Bourdon tube gage hairspring is
- The purpose of the tee fitting on the piping leading to a boiler steam pressure gauge is to:
- One purpose of the small valve on top of the shell or the water column on most boilers is to:
- An inspector's test connection for a boiler pressure gauge:
- When using a dead weight tester, the effect of friction:
- The minimum size of the blowoff piping of a steam heating boiler is:
- All boiler fittings not properly or clearly identified should be:
- A globe valve should be used in the feedwater line:
- How many blow-off valves does a steam heating boiler require?
- An indication of a pressure gauge not performing properly is:
- An outside screw and yoke valve:
- A boiler feedwater stop valve:
- Boiler blowoff piping has a specific size range, depending upon:
- Which of the following units would the pressure gauge on a steam boiler likely use?
- The purpose of the pipe siphon installed between the boiler and the pressure gauge is to prevent:
- A steam boiler is regularly blown off in order to:
- When the steam outlet of a boiler is 51mm or larger, the boiler steam outlet stop valve should be a:
- On a multiple steam boiler heating system, a stop valve must be placed at each boiler outlet to:
- An essential fitting between the boiler and the steam pressure gauge is a:
- According to code, the scale of a pressure gauge for a steam heating boiler shall be graduated between