Diverter fittings are used in the supply lines to heating units
a) to compensate for a low heating load
b) when a higher heating output is required from the heating unit
c) when the distance from the boiler to heating unit is short
d) when there are no balancing valves installed in the supply line
e) when a hydraulic balance must be corrected
Answer: B
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Power Engineering Chapter 98
- The temperature control on a steam to hot water converter, controls
- To ensure that each zone circuit has the proper flow of water to provide the required heat a:
- The air removed by the air separator is vented to the
- An air separator should always be installed in
- Snow melting systems are usually filled with
- In radiant heating system changes are
- In a radiant heating system the maximum surface temperature is
- One of the advantages of the radiant panel hot water heating system over the conventional heating system is:
- In a one pipe hot water system, the fitting that directs the water to each converter is called the:
- One of the advantages of the forced circulation heating systems as compared to the gravity heating systems is:
- The system which allows the highest water temperature is the:
- One of the disadvantages of the gravity hot water system is:
- Because of the different circuit lengths to each convector, the direct return hot water system is difficult to:
- Advantages of the high temperature hot water systems are:
- The two pipe reverse return hot water heating system has the advantage of:
- Automatic snow melting systems do not use:
- Which of the following is NOT a hydronic heating system?
- The maximum temperature of water in a gravity hot water system is:
- The flow of water in a multiple-circuit hot water heating system is controlled by:
- One of the advantages of the one pipe forced circulation hot water heating system is:
- A hot water system which circulates water through the pipes with a pump is known as a:
- A hot water heating system is also known as a _____ heating system.
- In a hot water system compared to a steam heating system, if there is a leak, damage will:
- In a forced circulation system, the closed expansion tank allows the system to operate: