An air separator should always be installed in:
a. A horizontal pipe
b. A cross tee
c. A vertical pipe
d. An expansion tank
e. A converter
Answer: A
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Power Engineering Chapter 99
- The expansion tank is normally attached to the
- Excessive pressure build-up due to a rise in temperature and the resulting expansion of the water in the system is prevented by the use of
- To prevent corrosion in the expansion tank, it is sometimes filled with:
- Diverter fittings are used in the supply lines to heating units when:
- To regulate the flow of water to a zone circuit a:
- Air in a hot water heating system is directed to the:
- The minimum reading on an altitude gauge of a boiler in a large plant is from the top of the boiler to the highest point in the system plus:
- When comparing antifreeze to water, which of the following statements is false:
- When filling a hot water system prior to putting it into service, it is most important to:
- To overcome the head that a multi-story building exerts on a basement-located hot water boiler,
- Special diverter fittings are required in the one-pipe hot water systems to:
- Improper location of the expansion tank in relation to the circulating pump can cause:
- The purpose of a pressure reducing valve is to:
- Air tends to collect in the high spots of piping and heating units in hot water heating systems, which could:
- In a multi-zone system, _________ valves prevent continuous circulation of hot water after the zone control has stopped the circulator pump.
- What type of boiler would you expect to find in a hot water system incorporating a converter?
- A/an _____ valve is needed to keep a hot water heating system with a closed expansion tank automatically filled and under proper pressure.