To overcome the head that a multi-story building exerts on a basement-located hot water boiler,
a. Additional hot water boilers are used
b. Combination of steam and hot water boilers are used
c. Larger hot water boilers are used
d. Condensate pumps are used
e. Steam to hot water converters are used
Answer: E
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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:
- An air separator should always be installed in:
- 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:
- 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.