Deck 17: Hot-Water Heat

Question 1

The _________________________ allows for the expansion of heated water.

Answer 1

expansion tank

Question 2

Hydronic systems circulate hot water or steam to the occupied space for heating purposes.

Answer 2

True

Question 3

____________________ in the system is removed by using air separators and air vents.

Answer 3

Air

Question 4

The _________________________ is responsible for circulating the water through the system and is located so that it pumps away from the point of no pressure change.

Question 5

The ______________________________ opens and closes to maintain the desired water pressure in the system.

Question 6

_________________________ systems utilize monoflo or diverter tees to balance water flow.

Question 7

The ______________________________ cycles the boiler off in the event that the water level falls below a safe level.

Question 8

______________________________ return systems often use balancing valves to evenly distribute water flow through each branch.

Question 9

_________________________ are used to control water flow to different zones in the structure in order to maintain different temperatures in those areas.

Question 10

The ___________________________________ is a safety device that opens to relieve system pressure if it rises above the preset limit.

Question 11

The _________________________ uses the primary loop as the expansion tank.

Question 12

___________________________________ prevent gravity flow through hot water loops when the circulators are off.

Question 13

Hot water is typically generated in the boiler, which can be gas-fired, oil-fired, or electric.

Question 14

______________________________ pumping systems use circulators in both the primary and secondary loops.