G2 Gas Technician Module 19 Revised Exam Review And Accurate Answers.
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Course
Gas Technician G2 Licensing
Institution
Gas Technician G2 Licensing
If the venting on a high efficiency furnace runs through unheated spaces, what must be done? - Answer Insulate piping to prevent Condensation and freezing
What is condensate drain piping used for? - Answer Dispose Liquid waste
Once the furnace is installed, what are the gas technician's...
G2 Gas Technician Module 19 Revised
Exam Review And Accurate Answers.
If the venting on a high efficiency furnace runs through unheated spaces, what must be done? - Answer
Insulate piping to prevent Condensation and freezing
What is condensate drain piping used for? - Answer Dispose Liquid waste
Once the furnace is installed, what are the gas technician's responsibilities to the user? - Answer To
instruct the the user in the safe and correct operation of all appliances and equipment - clause 4.3.2
Which furnace type is the most popular? - Answer High boy Up Flow
What type of furnace is used in areas of limited head room? - Answer Horizontal Forced Air
What is the AFUE rating of a typical medium efficiency furnace? - Answer 78% - 82%
Which category of furnace is standard atmospheric appliance? - Answer Category 1
Is a fan necessary to move the flue gases through a gravity vent? Why? - Answer No, hot air rises.
Are high-efficiency furnaces power vented? - Answer Yes
Which Vent is the most heat resistant? - Answer Type A
On a forced draft burner, where is the fan located? - Answer Upstream from the combustion chamber.
What is the disadvantage of oversizing a furnace? - Answer Inefficiency
, How is the delivered air volume adjusted if a belt-drive fan motor is being used? - Answer Adjusting the
pulleys of the motor
Must all defective heat exchangers be replaced immediately? - Answer Yes
A high efficiency furnace incorporates how many heat exchangers? - Answer Two
On a furnace with no filter rack, what should be done? - Answer Rack should be built on return duct
connection
What is a plenum? - Answer Duct work system connected directly to the furnace
What should be done if a customer shows signs of Co poisoning? - Answer Evacuate, Shut off
appliance, Call TSSA
Once a fan motor has been cleaned what are the next two steps? - Answer Check electrical wire for
tighteness and clean the blower components
How is temperature rise determined? - Answer Placing thermometer in the return and supply plenums
while the furnace is running
What tool should be used to clean the outside of the heat exchanger? - Answer Soft Brush
How many heat exchangers do Natural Draft Furnace have? - Answer One
How is Delta Temperature measured? and what should it match? - Answer Supply Air minus Return Air,
It must not be less or more than Manufacturers Rating Plate
In a high efficiency furnace, which heat exchanger does the Supply air pass through first? - Answer The
Secondary
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