IMC #3

In institutional occupancies, the maximum permitted total of all Group A2, B2, A3 and B3 refrigerants in occupied areas is _____ pounds.

• 30

• 66

• 550

• 1,100

Pipe bends made in fuel oil piping shall not exceed the ___ limitations of the pipe.

• pressure

• heat

• structural

• radius

Equipment and applianes in solar thermal systems shall be installed in accordance with the ___ and ICC 900/SRCC 300.

• Industry Practices

• Submitted plans and specifications

• Design professional's instructions

• Manufacturer's instructions

Studs used in nonbearing partitions are permitted to be cut or notched to a maximum depth of ____ percent of the stub depth.

• 25

• 33 1/3

• 40

• 60

Appliances installed in a basement of a dwelling unit shall be accessed by an opening or door and an unobstructed passageway measuring a minimum of ___ inches in width.

• 22

• 24

• 32

• 36

Where openings below grade provide the required natural ventilation, the horizontal clear space outside the opening shall be a minimum of ____ times the depth of the openings.

• 1 1/2

• 2

• 2 1/2

• 3

Domestic clothes dryer exhaust ducts shall be a nominal size of ____ inches in diameter.

• 3

• 4

• 5

• 6

Hazardous exhaust systems shall be designed and operated such that the flammable contaminants are diluted in the exhaust flow to below ____ percent to the lower flammability limit.

• 15

• 20

• 25

• 30

Smoke damper leakage ratings shall be Class ___.

• I

• II

• 0 or 1

• I or II

Except where a reduction is permitted by Section 308, a nonlisted chimney connector serving a medium heat appliance must be provided with a minimum clearance of ___ inches to combustibles.

• 9

• 18

• 24

• 36