questions from pvc gas quizes and practice final i got wronge and need
review
Study online at https://quizlet.com/_calq40
1. The maximum vapour pressure supplied to a propane appliance is: 13 in w.c
(3.2kpa)
2. Which Code governs the assembly or construction of an appliance subject
to the authority having jurisdiction?: CSA B 149.3
3. What is the minimum diameter of test gauge that may be used in a pressure
test on gas piping?: 3 in
4. What is the maximum operating pressure for a "container supplied"
propane system: 250 psi
5. What piping materials may not be used to run gas above ground.: plastic
6. What type of joints are not permitted in steel piping?: brazed
7. what appliance does not require a dirt pocket ?: clothes washer
8. For identification of gas tubing in a residential application. The maximum
spacing of intervals along the entire length of the gas tube shall not exceed:: 6
feet
9. Where is / are the shut off valves located when a gas line is connected
between two buildings ?: At the point of exit of the first building and point of entry
of the second
10. What is acceptable termination to a gas line outlet not yet connected to an
appliance ?: cap, plug or plugged valve
11. What is the minimum distance from the surface of a wall that contains a
gas line before protection is not required ?: 1.75 in
12. What type of copper is approved for gas ?: type G, L or K
13. What type of copper pipe is approved for underground gas installation
?: Type K and externally coated L or G
14. A line pressure regulator requires a manual shut off valve. Where is it to
be installed: up stream the regulator
15. A propane line pressure regulator installed within a one or two family
dwelling or row housing shall not be installed more than:: 3 ft. (900 mm) from
the point where the propane supply enters the building
16. What is the minimum distance the discharge from relief devices shall
terminate from a mechanical intake ?: 10 feet (3 m)
17. A moisture exhaust duct cannot be connected to a: vent or chimney
18. A moisture exhaust duct cannot be connected with: sheet metal screws
19. State the minimum size of a discharge pipe from a temperature and pres-
sure relief device installed on a water heater:: At least equal to the nominal size
of the device outlet.
20. What type of draft control device is permitted on an incinerator?: A sin-
gle-acting draft regulator (barometric damper)
1/5
, questions from pvc gas quizes and practice final i got wronge and need
review
Study online at https://quizlet.com/_calq40
21. a boiler shall be installed on a: - firm and level base and
-noncombustible floor or support, except where the boiler is certified for installation
on a combustible floor
22. except where permitted by clause 4.13.1 a central furnace shall be installed
with the following minimum clearances from combustible material: - above - 1
in (25mm)
-the jacket sides and rear - 6 in (150mm)
-front - 24 in (610mm)
23. When is it permitted to install a Direct-Fired Make-Up Air Heater (DFMAH)?-
: - have an air discharge capacity that does not exceed the total discharge capacity
of the exhaust system by more than 10%
-be interlocked in such a way as to prevent its operation unless the exhaust system
is functioning
24. What type of room heater is allowed for a bathroom?: direct vent type
25. A decorative appliance and gas log shall be installed in accordance with-
: the manufacturer's certified installation instructions
26. What is the minimum distance from any property line that an outdoor pool
heater may be installed: 18 in (450mm)
27. A residential gas range shall not be installed in a:: bedroom
28. The total heat energy produced when a given volume of fuel is subjected
to combustion.: heating value
29. Calorific values are the amount of heat energy of a particular gas in
a: specific volume
30. What is the calorific value of air: 0
31. What is not a function of the gas meter ?: measuring gas pressure
32. Diaphragm meters can typically service systems up to a maximum flow
capacity of: 5000 CFH
33. An appliance is clocked on a 2 Psi meter set without correcting for the
pressure. The result will be: the appliance will appear to be underfired
34. When you burn a hydrocarbon fuel, the products of complete combustion
contain:: CO2+N2+H2O
35. Secondary air is added to the burner at the: burner ports
36. LP gases have higher Carbon content than natural gas, therefore, require:-
: more combustion air
37. The additional air supplied to ensure complete combustion is called:: ex-
cess air
38. The Gas Fitter's responsibility starts at the:: outlet of the meter
2/5
review
Study online at https://quizlet.com/_calq40
1. The maximum vapour pressure supplied to a propane appliance is: 13 in w.c
(3.2kpa)
2. Which Code governs the assembly or construction of an appliance subject
to the authority having jurisdiction?: CSA B 149.3
3. What is the minimum diameter of test gauge that may be used in a pressure
test on gas piping?: 3 in
4. What is the maximum operating pressure for a "container supplied"
propane system: 250 psi
5. What piping materials may not be used to run gas above ground.: plastic
6. What type of joints are not permitted in steel piping?: brazed
7. what appliance does not require a dirt pocket ?: clothes washer
8. For identification of gas tubing in a residential application. The maximum
spacing of intervals along the entire length of the gas tube shall not exceed:: 6
feet
9. Where is / are the shut off valves located when a gas line is connected
between two buildings ?: At the point of exit of the first building and point of entry
of the second
10. What is acceptable termination to a gas line outlet not yet connected to an
appliance ?: cap, plug or plugged valve
11. What is the minimum distance from the surface of a wall that contains a
gas line before protection is not required ?: 1.75 in
12. What type of copper is approved for gas ?: type G, L or K
13. What type of copper pipe is approved for underground gas installation
?: Type K and externally coated L or G
14. A line pressure regulator requires a manual shut off valve. Where is it to
be installed: up stream the regulator
15. A propane line pressure regulator installed within a one or two family
dwelling or row housing shall not be installed more than:: 3 ft. (900 mm) from
the point where the propane supply enters the building
16. What is the minimum distance the discharge from relief devices shall
terminate from a mechanical intake ?: 10 feet (3 m)
17. A moisture exhaust duct cannot be connected to a: vent or chimney
18. A moisture exhaust duct cannot be connected with: sheet metal screws
19. State the minimum size of a discharge pipe from a temperature and pres-
sure relief device installed on a water heater:: At least equal to the nominal size
of the device outlet.
20. What type of draft control device is permitted on an incinerator?: A sin-
gle-acting draft regulator (barometric damper)
1/5
, questions from pvc gas quizes and practice final i got wronge and need
review
Study online at https://quizlet.com/_calq40
21. a boiler shall be installed on a: - firm and level base and
-noncombustible floor or support, except where the boiler is certified for installation
on a combustible floor
22. except where permitted by clause 4.13.1 a central furnace shall be installed
with the following minimum clearances from combustible material: - above - 1
in (25mm)
-the jacket sides and rear - 6 in (150mm)
-front - 24 in (610mm)
23. When is it permitted to install a Direct-Fired Make-Up Air Heater (DFMAH)?-
: - have an air discharge capacity that does not exceed the total discharge capacity
of the exhaust system by more than 10%
-be interlocked in such a way as to prevent its operation unless the exhaust system
is functioning
24. What type of room heater is allowed for a bathroom?: direct vent type
25. A decorative appliance and gas log shall be installed in accordance with-
: the manufacturer's certified installation instructions
26. What is the minimum distance from any property line that an outdoor pool
heater may be installed: 18 in (450mm)
27. A residential gas range shall not be installed in a:: bedroom
28. The total heat energy produced when a given volume of fuel is subjected
to combustion.: heating value
29. Calorific values are the amount of heat energy of a particular gas in
a: specific volume
30. What is the calorific value of air: 0
31. What is not a function of the gas meter ?: measuring gas pressure
32. Diaphragm meters can typically service systems up to a maximum flow
capacity of: 5000 CFH
33. An appliance is clocked on a 2 Psi meter set without correcting for the
pressure. The result will be: the appliance will appear to be underfired
34. When you burn a hydrocarbon fuel, the products of complete combustion
contain:: CO2+N2+H2O
35. Secondary air is added to the burner at the: burner ports
36. LP gases have higher Carbon content than natural gas, therefore, require:-
: more combustion air
37. The additional air supplied to ensure complete combustion is called:: ex-
cess air
38. The Gas Fitter's responsibility starts at the:: outlet of the meter
2/5
