Question 1
Nitrogen is a TSSA Q
a. Toxin
b. Explosive gas
c. Inert gas
d. Neutralizing gas
CORRECT ANSWER
c. Inert gas
Question 2
If a crack is identified in a residential furnace, the technician must TSSA Q
a. Inform the customer, notify gas utility verbally within 14 days, shut off gas to appliance
b. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days
c. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days, shut off gas to appliance Code reference 4.21.2
d. Inform the customer, shut off gas to appliance
CORRECT ANSWER
c. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days, shut off gas to appliance Code reference 4.21.2
Question 3
1
@https://www.stuvia.com/user/thestudyvault
, What four factors must be considered before converting an appliance from one fuel to
another? TSSA Q
a. Availability of natural gas or propane, current appliance efficiency, appliance venting,
design of the appliance combustion chamber Code reference 4.3.5
b. New appliance efficiency, availability of natural gas or propane, type of ignition system on
current appliance, appliance venting
c. Availability of natural gas, current appliance venting system, new appliance venting
system, current appliance efficiency
d. Availability of propane, current appliance venting system, new appliance venting system,
new appliance efficiency
CORRECT ANSWER
a. Availability of natural gas or propane, current appliance efficiency, appliance venting,
design of the appliance combustion chamber Code reference 4.3.5
Question 4
The three types of heat exchanger classification are TSSA Q
a. Fully revertible, semi-revertible, updraft Module 17,Pg 33
b. Horizontal, updraft, downdraft
c. Fully revertible, downdraft, updraft
d. Semi-revertible, downdraft, horizontal
CORRECT ANSWER
a. Fully revertible, semi-revertible, updraft Module 17,Pg 33
Question 5
A converted forced-air furnace shall have the following clearance to combustible
materials: TSSA Q
a. Plenum top 3", sides and rear 3", service clearance 36"
b. Plenum top 1", sides and rear 6", service clearance 30"
2
@https://www.stuvia.com/user/thestudyvault
Nitrogen is a TSSA Q
a. Toxin
b. Explosive gas
c. Inert gas
d. Neutralizing gas
CORRECT ANSWER
c. Inert gas
Question 2
If a crack is identified in a residential furnace, the technician must TSSA Q
a. Inform the customer, notify gas utility verbally within 14 days, shut off gas to appliance
b. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days
c. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days, shut off gas to appliance Code reference 4.21.2
d. Inform the customer, shut off gas to appliance
CORRECT ANSWER
c. Inform the customer, notify gas utility verbally immediately, notify gas utility in writing
within 14 days, shut off gas to appliance Code reference 4.21.2
Question 3
1
@https://www.stuvia.com/user/thestudyvault
, What four factors must be considered before converting an appliance from one fuel to
another? TSSA Q
a. Availability of natural gas or propane, current appliance efficiency, appliance venting,
design of the appliance combustion chamber Code reference 4.3.5
b. New appliance efficiency, availability of natural gas or propane, type of ignition system on
current appliance, appliance venting
c. Availability of natural gas, current appliance venting system, new appliance venting
system, current appliance efficiency
d. Availability of propane, current appliance venting system, new appliance venting system,
new appliance efficiency
CORRECT ANSWER
a. Availability of natural gas or propane, current appliance efficiency, appliance venting,
design of the appliance combustion chamber Code reference 4.3.5
Question 4
The three types of heat exchanger classification are TSSA Q
a. Fully revertible, semi-revertible, updraft Module 17,Pg 33
b. Horizontal, updraft, downdraft
c. Fully revertible, downdraft, updraft
d. Semi-revertible, downdraft, horizontal
CORRECT ANSWER
a. Fully revertible, semi-revertible, updraft Module 17,Pg 33
Question 5
A converted forced-air furnace shall have the following clearance to combustible
materials: TSSA Q
a. Plenum top 3", sides and rear 3", service clearance 36"
b. Plenum top 1", sides and rear 6", service clearance 30"
2
@https://www.stuvia.com/user/thestudyvault