Tubular gauge glasses:
a. Are suitable for pressures up to 2800 kPa
b. Are made of glass, in order to be resistant to boiler alkalinity
c. Indicate the level more accurately than other forms of water level indication
d. Can only be installed on a low-pressure boiler
e. Are lined with mica
Answer: A
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Power Engineering Chapter 60
- What is the main advantage of the Igema remote water level indicator?
- The coloured screens on a remote water level indicator illuminate the inside of the indicator with ___ representing the water level and ___ for steam.
- The remote water level indicator operating element is?
- The water column and gauge glass should be blown down
- Biocolor gauge glass can be used to indicate the drum level to a person on the operating floor by?
- In a biocolor gauge glass
- Another name for circular glasses
- Transparent and reflex gauge glass is suitable for temperatures exceeding ___ and pressures up to ____
- Another name for Armored-type gauge glass is?
- Gauge glasses are susceptible to corrosion caused by ___ and ___ at higher temperatures.
- Which code provides different measurements, depending on boiler shell diameter?
- Which code states "all boilers having a fixed water level, the lowest visible water level in a gauge glass shall be at least 2 in. (50mm)....."
- What type of attachment of gauge glass is commonly used on firetube boilers?
- If a gauge glass leaks
- Tubular gauge glass should not exceed?
- What is a disadvantage of the safety shutoff gauge valve?
- If a boiler is not continuously supervised, this device maybe installed to prevent water from leaving the boiler should the gauge glass break
- What is the simplest and least costly gauge glass developed?
- What is the simplest techniques for indicating a liquid level?
- Which one is NOT a indirect way to measure the liquid level?
- Which one is NOT a direct way to measure the liquid level?
- The lowest visible point of the gauge glass for a horizontal firetube power boiler with diameter greater than 400 mm must be:
- Try cocks are used to:
- The water level indicated in a boiler gauge glass is: