Hot Water Heating Systems Questions
and Verified Answers Newest Edition
2026-2027. Rated A
A forced hot water circulating system can be classified as the following
type:
a) loop system.
b) one pipe system.
c) two pipe direct return system.
d) all of the above. - ANSd
A hot water boiler of the same output is
a) larger than a steam boiler
b) smaller than a steam boiler
c) the same size as a steam boiler
d) taller than a steam boiler
e) shorter than a steam boiler - ANSb
A hot water heating system is also known as a _____ heating system.
a) warm air
b) circulation
c) loop
d) hydronic
e) radiant panel - ANSd
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A hot water system circulates water through the pipes with a pump?
a) forced
b) radiant panel
c) multi -zone
d) two-pipe reverse return - ANSa
Advantages of the forced circulation hot water heating
systems are
a) reduction in pipe size and greater heat storage capacity
b) high pressure piping and controls
c) high vacuum in the return lines and pumps
d) higher make-up and better chemical control
e) low water make-up and better temperature control - ANSa
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 - ANSa
Automatic snow melting systems can use
a) hot water and antifreeze mixed
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