Master Mechanical License
Study online at https://quizlet.com/_20l6ga
1. A permit shall become invalid if NOT used within how 180 Days
many days of issue
2. All of the following info. is required to be on an electric manufactures' date code
comfort appliance cable EXCEPT
3. The room or the space where a boiler will be installed 16
shall have a min. of how many times the volume of the
boiler
4. The volume of a room compared to the volume of a 8 ft
furnace to be installed is based on what max. ceiling
height
5. A fuel burning appliance is located in a private garage 1 1/2ft
& is protected from motor vehicle impact. The appli-
ance shall have its ignition sources installed by what
min. distance above the floor?
6. When more than 1 heating, cooling, ventilating sys- permanently identified by
tem is installed on a roof of a building, each system the area or space served
shall be... by the equipment
7. What min. work space is required in front of a warm 30X30
air furnace in an attic?
8. What are the requirements to install a warm air fur- A lighting fixture con-
nace in an attic? trolled by a switch at the
entrance of a door
9. A warm air furnace is to be installed on a building roof 24"
that has a 6 in 12 slope, the cat walk requirements for
the installation shall have a min. width of
, Master Mechanical License
Study online at https://quizlet.com/_20l6ga
10. What shall be installed at an approved location to manually operated re-
shut off fans or blowers in flammable vapor or dust mote control
ventilation systems?
11. A type1 hood shall have what min. clearance to com- 18"
bustible materials?
12. What min. pitch per foot is required for the horizontal 1/4"
run of a vent?
13. What min. horizontal clearance is required between 4'
an operable window & an appliance vent terminate?
14. A vented wall furnace shall be installed so that a door 12"
cannot swing within what distance of the furnace air
inlet or outlet?
15. A floor furnace can be installed under all the following placed on a concrete pad
EXCEPT
16. The return air duct to a blower type furnace is being 2"
replaced how many sq in of free air are required per
1,000 BTU of rated capacity of the furnace?
17. What is the min. clearance required between a man- 3'
hole cover installed at the top of a boiler & the ceiling
directly above?
18. All the following of boilers require valves in their sup- Low pressure (15psi)
ply & return lines EXCEPT steam boilers
19. What type of valve may be placed between the boiler No valve can be located
safety valve & the atmosphere on the discharge pipe there
from the valve?
Study online at https://quizlet.com/_20l6ga
1. A permit shall become invalid if NOT used within how 180 Days
many days of issue
2. All of the following info. is required to be on an electric manufactures' date code
comfort appliance cable EXCEPT
3. The room or the space where a boiler will be installed 16
shall have a min. of how many times the volume of the
boiler
4. The volume of a room compared to the volume of a 8 ft
furnace to be installed is based on what max. ceiling
height
5. A fuel burning appliance is located in a private garage 1 1/2ft
& is protected from motor vehicle impact. The appli-
ance shall have its ignition sources installed by what
min. distance above the floor?
6. When more than 1 heating, cooling, ventilating sys- permanently identified by
tem is installed on a roof of a building, each system the area or space served
shall be... by the equipment
7. What min. work space is required in front of a warm 30X30
air furnace in an attic?
8. What are the requirements to install a warm air fur- A lighting fixture con-
nace in an attic? trolled by a switch at the
entrance of a door
9. A warm air furnace is to be installed on a building roof 24"
that has a 6 in 12 slope, the cat walk requirements for
the installation shall have a min. width of
, Master Mechanical License
Study online at https://quizlet.com/_20l6ga
10. What shall be installed at an approved location to manually operated re-
shut off fans or blowers in flammable vapor or dust mote control
ventilation systems?
11. A type1 hood shall have what min. clearance to com- 18"
bustible materials?
12. What min. pitch per foot is required for the horizontal 1/4"
run of a vent?
13. What min. horizontal clearance is required between 4'
an operable window & an appliance vent terminate?
14. A vented wall furnace shall be installed so that a door 12"
cannot swing within what distance of the furnace air
inlet or outlet?
15. A floor furnace can be installed under all the following placed on a concrete pad
EXCEPT
16. The return air duct to a blower type furnace is being 2"
replaced how many sq in of free air are required per
1,000 BTU of rated capacity of the furnace?
17. What is the min. clearance required between a man- 3'
hole cover installed at the top of a boiler & the ceiling
directly above?
18. All the following of boilers require valves in their sup- Low pressure (15psi)
ply & return lines EXCEPT steam boilers
19. What type of valve may be placed between the boiler No valve can be located
safety valve & the atmosphere on the discharge pipe there
from the valve?
