IMC Iowa mechanical/gas
test 2021 latest updated
version with expert solutions
Which of these is the best insulator? - answer R-30
A low-pressure boiler will operate at pressures of _______
for water. - answer 160 psi
2021 IMC: Section 202 General Definitions
Identify the symbol - answer Wires Not Connected
Appliances, designed for both natural draft venting and
incorporating integral venting means, shall be located so
that a minimum clearance of _______ is maintained between
vent terminals and from any openings through which
combustion products enter the building. - answer 9 inches
2021 IMC: 804.2.1
What is the heat loss through a 1,200 square foot wall
with a total R-value of 14 when the indoor temperature is
73 degrees F and the outdoor temperature is 20 degrees
F? - answer 4,516 BTUh heat loss
LFMC shall be securely fastened in place within _______ of
an air conditioner. - answer 12 inches
2017 NEC: 350.30(A); See 356.30
,A passageway has been provided in an attic for the
servicing of a heating appliance. The passageway shall
have _______. - answer both a luminaire controlled by a
switch and a receptacle outlet
2021 IMC: 306.3.1
What is the blower capacity in CFM for a furnace with
75,000 BTUh output and a temperature rise of 50 degrees?
- answer 1,389 CFM
Where installing a 2-inch copper-alloy pipe condensate
drain line vertically, the tubing shall be supported at a
maximum spacing of _______. - answer 10 feet
2021 IMC: TABLE 305.4
Commercial type medium-heat appliance chimney
connectors, that are being used for solid-fuel appliances,
shall have a minimum clearance of at least _______ to
combustible materials. - answer 36 inches
Where passing from the interior to the exterior of a
building, a raceway shall be filled with a/an _______
material to prevent the circulation of warm air to a colder
section of the raceway. - answer approved
2017 NEC: 300.7(A)
Which of the following is NOT the purpose of the
International Mechanical Code? - answer Regulate the
installation of fuel-gas fired appliances.
2021 IMC: [A] 101.2
, Receptacle outlets for the associated equipment of a
furnace installed in an unfinished portion of the basement
shall be _______. - answer GFCI protected, and if installed
on the furnace circuit shall have no other outlets
2017 NEC: 210.8(A)(5)
The maximum distance from a 2 1/4 in. x 4 in. nonmetallic
wall mounted box to a means of securing Type UF cable is
_______. - answer 8 inches
2017 NEC: 314.17(C) Exception:
A heating appliance is placed within a room. The doorway
servicing this room shall not be less than _______. - answer
36 inches wide and 80 inches high
2021 IMC: 306.2
Which of the following NEC Article's incorporates both air-
conditioning and refrigeration equipment? - answer Article
440
2017 NEC: Article 440.1 Scope
The duration of each hydronic test shall be not less than
_______ minutes. - answer 15
2021 IMC: 1208.1
A gas pipe ventilating system requires a chase. This chase
shall be _______. - answer ventilated to the outdoors and
only at the top
test 2021 latest updated
version with expert solutions
Which of these is the best insulator? - answer R-30
A low-pressure boiler will operate at pressures of _______
for water. - answer 160 psi
2021 IMC: Section 202 General Definitions
Identify the symbol - answer Wires Not Connected
Appliances, designed for both natural draft venting and
incorporating integral venting means, shall be located so
that a minimum clearance of _______ is maintained between
vent terminals and from any openings through which
combustion products enter the building. - answer 9 inches
2021 IMC: 804.2.1
What is the heat loss through a 1,200 square foot wall
with a total R-value of 14 when the indoor temperature is
73 degrees F and the outdoor temperature is 20 degrees
F? - answer 4,516 BTUh heat loss
LFMC shall be securely fastened in place within _______ of
an air conditioner. - answer 12 inches
2017 NEC: 350.30(A); See 356.30
,A passageway has been provided in an attic for the
servicing of a heating appliance. The passageway shall
have _______. - answer both a luminaire controlled by a
switch and a receptacle outlet
2021 IMC: 306.3.1
What is the blower capacity in CFM for a furnace with
75,000 BTUh output and a temperature rise of 50 degrees?
- answer 1,389 CFM
Where installing a 2-inch copper-alloy pipe condensate
drain line vertically, the tubing shall be supported at a
maximum spacing of _______. - answer 10 feet
2021 IMC: TABLE 305.4
Commercial type medium-heat appliance chimney
connectors, that are being used for solid-fuel appliances,
shall have a minimum clearance of at least _______ to
combustible materials. - answer 36 inches
Where passing from the interior to the exterior of a
building, a raceway shall be filled with a/an _______
material to prevent the circulation of warm air to a colder
section of the raceway. - answer approved
2017 NEC: 300.7(A)
Which of the following is NOT the purpose of the
International Mechanical Code? - answer Regulate the
installation of fuel-gas fired appliances.
2021 IMC: [A] 101.2
, Receptacle outlets for the associated equipment of a
furnace installed in an unfinished portion of the basement
shall be _______. - answer GFCI protected, and if installed
on the furnace circuit shall have no other outlets
2017 NEC: 210.8(A)(5)
The maximum distance from a 2 1/4 in. x 4 in. nonmetallic
wall mounted box to a means of securing Type UF cable is
_______. - answer 8 inches
2017 NEC: 314.17(C) Exception:
A heating appliance is placed within a room. The doorway
servicing this room shall not be less than _______. - answer
36 inches wide and 80 inches high
2021 IMC: 306.2
Which of the following NEC Article's incorporates both air-
conditioning and refrigeration equipment? - answer Article
440
2017 NEC: Article 440.1 Scope
The duration of each hydronic test shall be not less than
_______ minutes. - answer 15
2021 IMC: 1208.1
A gas pipe ventilating system requires a chase. This chase
shall be _______. - answer ventilated to the outdoors and
only at the top
