International Mechanical Code Study Set Exam Questions
With Correct Answers
Solar thermal systems shall not obstruct any building component requiring
_______. - accurate answers-operation or access
In general, solar thermal equipment exposed to vehicular traffic shall be
installed a minimum of _______ feet above the floor. - accurate answers-6
Where attics or structural spaces are used as part of a passive solar system,
_______ of such spaces is not required where other approved means of
controlling condensation are provided. - accurate answers-ventilation
Roof-mounted equipment such as _____ add a substantial load to the roof and
increase the probability of collapse. - accurate answers-International Building
Code
Where roof-mounted solar collectors serve as the roof covering, the use of
plastic solar collector covers is exempt from the building code's general roof
covering requirements if the collector cover meets the requirements for
_______. - accurate answers-plastic roof panels
Solar thermal systems containing pressurized fluids shall be protected against
pressures and temperatures exceeding design limitations with a _______. -
accurate answers-pressure and temperature relief
Where a relief valve is required in a solar energy system, the valve shall be set
at a maximum of _______ percent of the nameplate pressure rating. - accurate
answers-100
Solar thermal system components subject to a vacuum during shutdown shall
be protected with vacuum _______. - accurate answers-relief valves
System components shall be protected from any freezing that may be
encountered during _______. - accurate answers-the operation of the system
Roof and wall penetrations shall be flashed and sealed to prevent entry of
_______. - accurate answers-water, rodents, and insects
,An unfired pressure vessel installed in a Group B occupancy is not regulated
by the provisions of Chapter 10, provided it operates at a maximum pressure
of _______ psi and has a maximum volume of _______ cubic feet. - accurate
answers-250, 50
Water heaters used for both potable water heating and space heating shall be
sized to prevent the space-heating load from reducing the required _______. -
accurate answers-potable water heating capacity
Where a combination potable water-heating and space-heating system
requires water for space heating with a temperature higher than _______ °F, a
temperature-actuating mixing valve shall be provided. - accurate answers-140
In sizing a closed-type expansion tank, the following criteria is not required. -
accurate answers-minimum operating pressure
Boiler operating instructions of a permanent type shall be _______. - accurate
answers-attached to the boiler
Boilers shall have all controls set, adjusted and tested by _______. - accurate
answers-the mechanical contractor
Clearances shall be maintained around boilers so as to permit inspection,
servicing, repair, replacement and _______. - accurate answers-visibility of
gauges
In order to provide for working clearances, passageways around all sides of
boilers shall have a minimum unobstructed width of _______ inches unless
otherwise approved. - accurate answers-18
High-pressure steam boilers with an input in excess of 5,000,000 Btu/h shall
have a minimum clearance of _______ feet between the top of the boiler and the
ceiling. - accurate answers-7
Flexible air connectors shall be limited in length to a maximum of _______ feet. -
accurate answers-14
_______ air connectors shall not pass through any wall, floor or ceiling. -
accurate answers-Flexible
,The permitted temperature of air in flexible air ducts or flexible air connectors
shall be less than _______ °F. - accurate answers-250
Return air openings must be located a minimum of _______ feet from the draft
hood of another appliance located in the same room. - accurate answers-10
Unless complying as underground ducts per Section 603.8, ducts shall be
installed a minimum of _______ inches from the earth. - accurate answers-4
Floor registers shall resist, without structural failure, a minimum _______ -
pound concentrated load. - accurate answers-200
Ducts that operate at temperatures exceeding _______ °F shall have sufficient
thermal insulation to limit the exposed surface temperatures. - accurate
answers-120
Factory-insulated flexible duct shall be printed or identified at maximum
intervals of _______ inches. - accurate answers-36
Interruptions in the linings of ducts are required a minimum of _______ inches
upstream and downstream of fuel-burning heaters in a duct system. - accurate
answers-6
A fire damper protecting the duct penetration of a 2-hour fire-resistance-rated
wall assembly shall have a minimum fire-protection rating of _______ hour (s). -
accurate answers-1 1/2
Smoke detectors shall be installed in a return air system with a minimum
design capacity greater than _______ cfm. - accurate answers-2,000
Smoke detectors are not required in a return air system where all areas of the
building served are _______. - accurate answers-protected by area smoke
detectors connected to a fire alarm system
In general, a Type I hood shall be installed with a minimum clearance to
combustibles of _______ inches. - accurate answers-18
, A Type I hood in not required for a _______. - accurate answers-compartment
steamer
A Type I hood shall not be required for an electric cooking appliance where an
approved testing agency provides documentation that the appliance has been
properly tested and the appliance effluent contains _______ of grease. - accurate
answers-5 mg/m³ or less
Unless the hood is closed to the appliance side by a noncombustible wall or
panel, the inside lower edge of a canopy-type Type II commercial hood shall
overhang or extend a minimum horizontal distance of _______ inches beyond
the edge of the appliance surface. - accurate answers-6
The maximum vertical distance between the front lower lip of a canopy-type
Type I hood and the appliance surface shall be _______ feet. - accurate answers-
4
Non-canopy-type hoods shall be located a maximum of _______ feet above the
cooking surface. - accurate answers-3
In general, makeup air supplied to a commercial kitchen exhaust system and
the air in the conditioned space shall have a maximum temperature
differential of _______ °F. - accurate answers-10
Where cooking appliances are required to have a Type I hood, they must be
provided with an approved _______. - accurate answers-automatic fire
suppression system
A certificate of test shall be provided for all systems containing a minimum of
_______ pounds of refrigerant. - accurate answers-55
The IMC requires periodic testing of _______ and other specific emergency
devices and systems in accordance with the manufacturer's instructions and
as required by the code official. - accurate answers-treatment and flaring
systems
Polypropylene (PP) plastic pipe utilized in a hydronic piping system shall
comply with ASTM Standard _______. - accurate answers-F2389
With Correct Answers
Solar thermal systems shall not obstruct any building component requiring
_______. - accurate answers-operation or access
In general, solar thermal equipment exposed to vehicular traffic shall be
installed a minimum of _______ feet above the floor. - accurate answers-6
Where attics or structural spaces are used as part of a passive solar system,
_______ of such spaces is not required where other approved means of
controlling condensation are provided. - accurate answers-ventilation
Roof-mounted equipment such as _____ add a substantial load to the roof and
increase the probability of collapse. - accurate answers-International Building
Code
Where roof-mounted solar collectors serve as the roof covering, the use of
plastic solar collector covers is exempt from the building code's general roof
covering requirements if the collector cover meets the requirements for
_______. - accurate answers-plastic roof panels
Solar thermal systems containing pressurized fluids shall be protected against
pressures and temperatures exceeding design limitations with a _______. -
accurate answers-pressure and temperature relief
Where a relief valve is required in a solar energy system, the valve shall be set
at a maximum of _______ percent of the nameplate pressure rating. - accurate
answers-100
Solar thermal system components subject to a vacuum during shutdown shall
be protected with vacuum _______. - accurate answers-relief valves
System components shall be protected from any freezing that may be
encountered during _______. - accurate answers-the operation of the system
Roof and wall penetrations shall be flashed and sealed to prevent entry of
_______. - accurate answers-water, rodents, and insects
,An unfired pressure vessel installed in a Group B occupancy is not regulated
by the provisions of Chapter 10, provided it operates at a maximum pressure
of _______ psi and has a maximum volume of _______ cubic feet. - accurate
answers-250, 50
Water heaters used for both potable water heating and space heating shall be
sized to prevent the space-heating load from reducing the required _______. -
accurate answers-potable water heating capacity
Where a combination potable water-heating and space-heating system
requires water for space heating with a temperature higher than _______ °F, a
temperature-actuating mixing valve shall be provided. - accurate answers-140
In sizing a closed-type expansion tank, the following criteria is not required. -
accurate answers-minimum operating pressure
Boiler operating instructions of a permanent type shall be _______. - accurate
answers-attached to the boiler
Boilers shall have all controls set, adjusted and tested by _______. - accurate
answers-the mechanical contractor
Clearances shall be maintained around boilers so as to permit inspection,
servicing, repair, replacement and _______. - accurate answers-visibility of
gauges
In order to provide for working clearances, passageways around all sides of
boilers shall have a minimum unobstructed width of _______ inches unless
otherwise approved. - accurate answers-18
High-pressure steam boilers with an input in excess of 5,000,000 Btu/h shall
have a minimum clearance of _______ feet between the top of the boiler and the
ceiling. - accurate answers-7
Flexible air connectors shall be limited in length to a maximum of _______ feet. -
accurate answers-14
_______ air connectors shall not pass through any wall, floor or ceiling. -
accurate answers-Flexible
,The permitted temperature of air in flexible air ducts or flexible air connectors
shall be less than _______ °F. - accurate answers-250
Return air openings must be located a minimum of _______ feet from the draft
hood of another appliance located in the same room. - accurate answers-10
Unless complying as underground ducts per Section 603.8, ducts shall be
installed a minimum of _______ inches from the earth. - accurate answers-4
Floor registers shall resist, without structural failure, a minimum _______ -
pound concentrated load. - accurate answers-200
Ducts that operate at temperatures exceeding _______ °F shall have sufficient
thermal insulation to limit the exposed surface temperatures. - accurate
answers-120
Factory-insulated flexible duct shall be printed or identified at maximum
intervals of _______ inches. - accurate answers-36
Interruptions in the linings of ducts are required a minimum of _______ inches
upstream and downstream of fuel-burning heaters in a duct system. - accurate
answers-6
A fire damper protecting the duct penetration of a 2-hour fire-resistance-rated
wall assembly shall have a minimum fire-protection rating of _______ hour (s). -
accurate answers-1 1/2
Smoke detectors shall be installed in a return air system with a minimum
design capacity greater than _______ cfm. - accurate answers-2,000
Smoke detectors are not required in a return air system where all areas of the
building served are _______. - accurate answers-protected by area smoke
detectors connected to a fire alarm system
In general, a Type I hood shall be installed with a minimum clearance to
combustibles of _______ inches. - accurate answers-18
, A Type I hood in not required for a _______. - accurate answers-compartment
steamer
A Type I hood shall not be required for an electric cooking appliance where an
approved testing agency provides documentation that the appliance has been
properly tested and the appliance effluent contains _______ of grease. - accurate
answers-5 mg/m³ or less
Unless the hood is closed to the appliance side by a noncombustible wall or
panel, the inside lower edge of a canopy-type Type II commercial hood shall
overhang or extend a minimum horizontal distance of _______ inches beyond
the edge of the appliance surface. - accurate answers-6
The maximum vertical distance between the front lower lip of a canopy-type
Type I hood and the appliance surface shall be _______ feet. - accurate answers-
4
Non-canopy-type hoods shall be located a maximum of _______ feet above the
cooking surface. - accurate answers-3
In general, makeup air supplied to a commercial kitchen exhaust system and
the air in the conditioned space shall have a maximum temperature
differential of _______ °F. - accurate answers-10
Where cooking appliances are required to have a Type I hood, they must be
provided with an approved _______. - accurate answers-automatic fire
suppression system
A certificate of test shall be provided for all systems containing a minimum of
_______ pounds of refrigerant. - accurate answers-55
The IMC requires periodic testing of _______ and other specific emergency
devices and systems in accordance with the manufacturer's instructions and
as required by the code official. - accurate answers-treatment and flaring
systems
Polypropylene (PP) plastic pipe utilized in a hydronic piping system shall
comply with ASTM Standard _______. - accurate answers-F2389
