Residential Heating Systems and Equipment

Question 1

A furnace is a piece of equipment that is used to change _____ into heat energy.

Answer 1

fuel

Question 2

Which of the following is not required in a solid fuelled furnace?
Blower fan
Heat exchanger
Fan control
Gas valve

Answer 2

Gas Valve

Question 3

Which of the following is not a type of furnace?
Highboy
Lowboy
Sideboy
Counter flow

Answer 3

Sideboy

Question 4

Which of the following is an advantage of the radial system?

• It has automatic balancing of heat runs
• Less material is used
• It is simple to install
• Long runs receive maximum pressure from the plenum

Answer 4

It is simple to install

Question 5

Perimeter loop systems are found mostly in _____ heating situations.

Answer 5

Underslab

Question 6

What is the most common distribution system used today?

Answer 6

Extended Plenum

Question 7

What is the heating value of natural gas?

Answer 7

1000 BTU/ft³

Question 8

What is the heating value of propane?

Answer 8

2500 BTU/ft³

Question 9

What is the burner of choice for high rates of combustion in a oil furnace?

Answer 9

Atomizing burner

Question 10

What is the minimum efficiency of a gas furnace allowed to be manufactured and sold in Canada?

Answer 10

78%

Question 11

True or false: The inducer fan on a mid-efficient furnace is a power vent that allows you to vent out the sidewall.

Answer 11

False

Question 12

What are high efficiency gas furnaces also known as?

Answer 12

Condensing furnaces

Question 13

What are the three types of gas fireplaces?

Answer 13

Free standing
Zero clearance
Insert

Question 14

In addition to wall mounted thermostats and switches, fireplaces can be controlled by a ______.

Answer 14

wireless remote

Question 15

Gas logs make the fireplace look more like a wood fire. The logs can be made of ______ or ______.

Answer 15

Concrete or ceramic fiber