ICC CMI Quiz 1

1) After the final mechanical inspections, the Code Official shall have the right to require a mechanical system to be? (102.3)

Reinspected to determine compliance with the code Have annual maintenance inspected Meet future changes in the code Be involved with approving the preventative maintenance program Be involved with approving the preventative maintenance program

2) For a change in occupancy, the system shall? (102.5)

Be permitted to meet the code requirements at the time of construction Meet the current code requirements for the new occupancy Be acceptable due to the age of construction Only be affected by fire code requirements

3) Minor additions and repairs to existing systems shall? (102.4)

Meet the provisions for new construction Do not need to meet the current code Can be performed without certain parts of the code applying Shall not be required to meet the code requirements if the occupancy has not changed

4) Where it is necessary to make an inspection to enforce the provisions of the code, the CO shall have the authority to enter the building at? (104.4)

All reasonable times When allowed by the owner Only during break times of the construction crew When permitted by the manager

5) Where there are practical difficulties involved in carrying out the provisions of the IMC, the code official shall have the authority to grant? (105.1)

Modifications to the strict compliance of the code Appeals decision to the permitting process Waive the requirements for the code Exchange the code for another less strict standard

6) If there are specific reasons that make the letter of the code impractical and the modification does not lessen health and life safety requirements, and the modification is recorded on file at the building department, it is acceptable for the CO to? (105.1)

Grant a modification to the code Require a registered design professional Call for an appeals board meeting for a decision Address a concern with an additional qualification permit

7) An alternative material or design shall be approved by the CO if it is? (105.2)

Equivalent to the prescribed code in quality, strength, and safety The same cost as the normally installed materials If it involves chimney construction If it improves the energy eAiciency of a structure

8) In the absence of recognized and accepted test methods for materials used for a system, who shall approve the testing procedure used? (105.3.1)

CO Engineer Laboratory office Owner

9) Permits are required for which of the following? (106.2)

Portable heating units Hot water piping within cooling equipment regulated by the IMC Self-contained refrigeration systems Low pressure steam boiler

10) Exemption from the permit requirements of the IMC shall not authorize work that is? (106.2)

Done in violation of the IMC or rules of the jurisdiction Involving replacement of a water heater with the same one Involving minor repair work Involving a simple altereration

11) If work is not done within how long after a permit is issued, or if it is commenced than then stopped for how long before the permit is revoked? (106.4.3)

180 days 90 days 360 days 200 days

12) Two sets of construction docents shall be submitted, where one is kept at the building department for at least 180 days from the completion of the work, and the second set of plans is kept at? (107.1, 107.2)

The job site In the custody of the permit holder At the building department for the entire life of the building Kept at the state headquarter offices to ensure compliance with occupancy

13) Construction documents for buildings more than two stories in height shall indicate where penetrations will be made for mechanical systems and shall include the? (107.1)

Structural safety and fire-resistance rating The required thickness of metal for a residential hood Include the ducting gauge thickness for a vent connector for a gas water Include the ducting gauge thickness for a vent connector for a gas water Include the wiring gauge for the receptacles in a residential room

14) The code official shall have the authority to?

Insist on three sets of drawings Mandate a registered professional for all work Waive the submission of construction documents (107.1 Exception) Insist on additional payments of permit fees during the construction process.

15) The CO shall require construction documents to be prepared and designed by a registered design professional where? (107.1)

Required by state law Only when the contractor requires it When the owner expects quality in construction If a chimney is installed

16) Who shall notify the CO the construction is ready for inspection (112.2)

Permit holder or permit holder’s agent Contractor Owner Registered Professional

17) Which of the following is not required to be inspected (112.2)

Underground inspection Rough-in inspection Final Inspection Portable air conditioner

18) What is permitted to be backfilled prior to inspection?

Ground-source heat pump loop system (112.2 Exception) Hydronic piping within concrete Supply water lines Power lines

19) Where excavated soil contains rocks, broken concrete, frozen chucks and other rubble that would damage or break the piping, what is required during inspection? (112.2)

Clean backfill shall be at the job site Immediate repair Plan for when the system will be replaced Explanation for why it is acceptable

20) A heating system can be replaced without a permit provided that a request for inspection for such heating equipment is submitted after the work within how long? (112.2)

Never 24 Hours 48 hours Before the work starts

21) Who is responsible for providing access and means for inspections of completed work at a job site? (112.2.2)

Holder of the permit or authorized agent Contractor Registered Engineer CO

22) An appeal shall be based on a claim that the true intent of the code have been incorrectly interpreted, or the provisions of the code do not fully apply, or an

equivalent form of construction was propose The Appeals Board shall not have equivalent form of construction was propose The Appeals Board shall not have Decide if the CO was correct in the interpretation of the code Determine if the application in question is considered equivalent to the code Consider if the code was applicable in the case being reviewed Waive the code requirements

23) A stop work order shall be? (116.2)

Left at the front gate In writing Given to the shop steward Mailed

24) The CO shall not be required to give a written notice prior to stopping work if? (116.3)

Maintenance is not completed An emergency exists Money is owed Occupancy is changed

25) A panel that requires a ladder to access and screws to be removed from the panel is considered? (202)

Accessible Readily Accessible Closed Sealed

26) Any combination of outdoor and transfer air intended to replace exhaust aire and exfiltration is considered to be? (202)

Makeup Air Combustion air Supply air Exhaust air

27) Air controlled for temperature, humidity and cleanliness is considered to be? (202)

Heated Controlled Transferred Conditioned

28) A blower used for the purpose of distributing supply air to a room is a?

Ventilation fan Air-Handling Unit Furnace Conveyance system

29) A high-heat appliance has a temperature? (202)

Greater than 2,000° F Not exceeding 2,000° F Over 1,000° F and up to 2,000° F Between 600° F and 1,000° F

30) A low-heat appliance has an operating temperature rating of? (202)

Over 1,000° F and up to 2,000° F Greater than 2,000° F 1,000° F or less Under 600° F

31) A medium heat appliance has products of combustion at the point of entrance to the flue under normal operating conditions with a temperature? (202)

Over 1,000° F and up to 2,000° F Greater than 2,000° F 1,000° F or less Under 600° F

32) Low-pressure steam boilers operate at a pressure? (202)

Up to 20 PSI Under 15 PSI No more than 160 PSI Under 10 PSI

33) Hot water boilers shall be limited to a pressure of? (202)

15 PSI 20 PSI 100 PSI 160 PSI

34) A brazed connection has filler metal having a melting point no lower than? (202)

600° F 800° F

35) BTU is defined as? (202)

Quantity of heat required to raise the temperature of one pound of water 1° F Equivalent to 1 Watt Equal to 550 foot-lbs 100° F exposure to 100 seconds

36) A listed device installed in a ceiling membrane of a fire resistance rated ceiling to automatically limit the radiative heat transfer through an air opening is a? (202)

Ceiling Radiation Damper Smoke Damper Fire Damper Volume Damper

37) A field constructed chimney of metal is defined as a? (202)

Factory build chimney Masonry Chimney Metal Chimney Brick constructed chimney

38) Air necessary for complete combustion of a fuel including both theoretical air and excess are is? (202)

Combustion air Makeup air Supply air Occupancy air

39) A heat exchanger designed to liquefy refrigerant vapor by removal of heat is a? (202)

Evaporator Condenser Expander Pump circuit

40) An area within a building that is directly heated or cooled is considered a? (202)

Ventilated space Supplied room Conditioned space Heated area

41) A device that will retard or direct the flow of air in a duct is called a? (202)

Duct furnace Air handling unit Smoke Damper Volume Damper

42) All air for combustion is derived from the outdoor atmosphere and all flue gases are discharged to the outdoor atmosphere for what kind of appliances? (202)

Shunt located Direct-vent Vent connector Type L

43) A tube or conduit utilized for conveying air is a? (202)

Furnace Hydronic piping Duct Appliance

44) A device used for reducing the sensible heat of air for cooling by the process of evaporation of water into an airstream is a? (202)

Condensor Appliance Heating unit Evaporative cooler

45) That part of the system in which liquid refrigerant is vaporized to produce refrigeration is? (202)

Condensor Heating loops Compressor Evaporator

46) A cooking appliance utilizing open flame combustion of solid fuel at any time is a? (202, 507.2.2)

Extra-heavy-duty cooking appliance Hot cooking Medium appliance High heat appliance

47) A listed a labeled fireplace and chimney system composed of factory made components and assembled in the filed in accordance with the manufacturer’s instructions is a? (202)

Factory-built fireplace Fireplace stove Damper Metal chimney

48) What is the lowest flammability classification for refrigerant? (202)

Class 1 Class 2 Class 3 Class B

49) Flammable fumes or vapors are mixtures of gases in air at concentrations equal to or greater than the lower flammable limit and less than or equal to? (202)

100% fuel vapor 80% fuel vapor Less than or equal to the upper flammability limit 20% fuel vapor

50) The net floor area is the? (202)

Actual occupied area, not including the unoccupied accessory areas or Actual occupied area, not including the unoccupied accessory areas or Area under the roof Projected area including all area in a plan view beneath the eaves and gable Projected area including all area in a plan view beneath the eaves and gable Area not including furniture within a building

51) A natural gas, manufactured gas, liquified petroleum gas or a mixture of these is a? (202)

Fuel gas Flue gas Hood fuel Ignition source

52) A fusible plug is a device arranged and set at a predetermined temperature to lower? (202)

Temperature Pressure Sensible heat Density

53) Piping buried or placed in a body of water for transporting heat transfer liquid to and from a heat pump is a? (202)

Ground source heat pump loop system Heat source system Cold source system Conditioning system

54) The parts of a refrigerating system subject to condenser pressure is the? (202)

Evaporator side High-side Low-side Energy absorption side

55) A soldered joint is a gastight joint obtained by the joining of metal parts with alloys with a melting temperature between? (202)

56) A low-pressure hot-water-heating boiler furnishes hot water at a pressure and temperature not exceeding? (202)

150 PSI, 200° F 20 PSI, 200° F 15 PSI, 250° F 160 PSI, 250° F

57) The parts of a refrigerating system subject to evaporator pressure is the? (202)

High-side Medium-side Low-side Extra-high-side

58) Which of the following are considered medium-duty cooking appliances? (202)

Roasting, revolving, convection, deck and pastry ovens Broilers, chain broilers, gas open-burner ranges, gas wok ranges Electric fryers, gas conveyor pizza ovens, gas rotisseries Wood fired broilers

59) How many bends does an Offset Vent make? (202)

1 2 3 4

60) An enclosed portion of the building structure that is designed to allow air movement as part of the air distribution system is a? (202)

Corridor Living Space Kitchen ventilation Plenum

61) A safety feature designed to relieve pressure automatically in excess of the device’s setting is a? (202)

Pressure relief valve Temperature valve Fuse plug Standard relief system

62) Refrigerants reprocessed to the same specifications as for new refrigerants are called? (202)

Recirculated Recovered Repurposed Reclaimed

63) What two refrigerant characteristics are used to define the refrigerant safety group classification? (202)

Density and heat transfer Density and flammability Flammability and toxicity IDLH and PEL

64) One horsepower is considered the same as how many BTU per hour? (202)

1,000 8,000 12,000 15,000

65) Air removed from an approved conditioned space or location and recirculated or exhausted is? (202)

Plenum air Ducted air Conventional conditioning Return air

66) A listed device installed in ducts designed to resist the passage of smoke is a? (202)

Fire Damper Volume Damper Radiation Damper Smoke Damper

67) The air delivered to any space supplied by the air distribution system is? (202)

Ventilation Conditioning Supply air Return air

68) Which of the following is the highest refrigeration toxicity classification? (202)

1 2 A B

69) Which of the following are permitted for a oil burning appliance? (202)

Type B vent Type L vent Type BW vent Type A vent

70) The pipe that connects an approved fuel-fired applieance to a vent is a? (202)

Vent pipe Vent connector Chimney Rectangular duct

71) A device installed in the venting system for a fuel burning appliance that is designed to automatically open the venting system when in operation and automatically close when not is called a? (202)

Automatic vent damper device Manual damper Smoke damper Fire damper

72) The natural or mecyhanical process of supplying conditioned or unconditioned air to any space is called? (202)

Air handling Forced air Ventilation Stack eAect

73) Appliances governed by the mechanical code shall have a factor-applied nameplate affixed that includes which all but which of the following? (301.9)

Serial number Mark of approving agency Type of fuel for use Address of manufacturer

74) Appliances that comprise parts of the building’s mechanical system shall not be converted for the usage of a diAerent fuel except where approved and? (301.12)

Converted in accordance with the manufacturer’s instructions Conversion is approved by a registered design professional Only the CO needs to approve, nothing else is needed Only allowed for non-hazardous occupancies

75) Notches on the ends of joists for mechanical piping shall not exceed what percentage of the joist depth? (302.3.1)

35% 30% 25% 15%

76) Notches in non-structural steel wall studs shall have a length no more than? (302.5.3)

4 inches 3 inches 1.5 inches Not allowed

77) Appliances shall not be located within hazardous locations unless? (303.2)

Listed and approved for the specific installation Ever No restrictions Only within special shrouds outside of ducts

78) Non-direct vent fuel fired appliances shall not be located in all of the following except? (303.3)

Surgical rooms Storage closets Sleeping room Basements

79) Where conflicts exist between the mechanical code and the manufacturer’s installations, what provisions shall be enforced? (304.2 Exception)

The more restrictive provisions The manufacturer’s instructions The mechanical code The fire code

80) Equipment having an ignition source within a repair garage shall be elevated so the ignition source is not less that what distance above the floor surface? (304.3)

10 inches 15 inches 18 inches 24 inches

81) The maximum output capacity of hydrogen generating appliances shall not exceed four CFM of hydrogen per what square footage of floor space? (304.5.1)

250 square feet 300 square feet 500 square feet

82) The placement of an appliance within a public garage where motor vehicles are capable of passing under the appliance requires at least how much clearance for the bottom of the appliance above the tallest vehicle garage door opening? (304.6)

6 inches 12 inches 18 inches 24 inches

83) What is the minimum vertical clearance above an unobstructed floor for appliances mounted at the ceiling within a private garage? (304.7)

4 feet 6 feet 8 feet 10 feet

84) Heat producing equipment and appliances shall be installed to maintain what required clearances to combustibles construction? (304.9)

18 inches 12 inches Per the appliances listing and manufacturing instruction 24 inches

85) Appliances installed at grade level on a concrete slab shall be not less than how far above adjoining grade? (304.10)

3 feet 3 inches 12 inches 6 inches

86) Appliances suspended over ground shall provide how much clearance beneath the bottom and the adjoining grade? (304.10)

3 inches 6 inches 12 inches 18 inches

87) Guards of what height shall be provided appliances require service are mounted within how far from a roof’s edge? (304.11)

36 inches, 8 feet 18 inches, 6 feet 40 inches, 12 feet 42 inches, 10 feet

88) Where multiple appliances are mounted at a rooftop location, they shall be? (304.12)

Marked to identify the area it serves Shall require a servicing platform if the roof has in incline in excess of 1 in 12 Separated by a barrier that is at least 30 inches high Shall be monitored by video cameras to ensure safety is maintained

89) What is the maximum horizontal spacing for piping supports for 3/4 inch CPVC? (Table 305.4)

2 feet 3 feet 4 feet 5 feet

90) What is the maximum horizontal spacing for piping supports for 1-1/4 inch CPVC?

2 feet 3 feet 4 feet 5 feet

91) Non dwelling unit appliance rooms shall have a door and unobstructed passageway not less than what dimensions? (306.2)

36 inches wide by 80 inches tall 20 inches wide by 72 inches tall 48 inches wide by 84 inches tall 22 inches wide by 60 inches tall

92) An appliance alcove within a dwelling unit shall have an opening and unobstructed passageway not less than what dimensions? (306.2 Exception)

22 inches wide by 44 inches tall 36 inches wide by 80 inches tall 24 inches wide by 30 inches tall 30 inches wide by 36 inches tall

93) Appliances within attics shall have anunobstructed passageway not less than what dimensions? (306.3)

22 inches wide by 30 inches high 30 inches wide by 36 inches high 36 inches wide by 48 inches high 30 inches wide by 62 inches high

94) The passageway serving appliances in an attic shall not be longer than what distance from the opening to the attic? (306.3)

15 feet 20 feet 25 feet No limit

95) Appliances within the attic require which of the following? (306.3.1)

Smoke alarm Suppression system Conditioned space Luminaire controlled by a switch near the attic opening

96) Underfloor spaces containing appliances shall be provided with an access opening large enough to remove the largest appliance, but the passageway shall not be smaller than? (306.4)

24 inches wide by 36 inches high 22 inches wide by 30 inches high No requirement 30 inches wide by 48 inches high

97) If a mechanical appliance is within a crawl space where the depth of the passageway exceeds 12 inches below the adjoining grade, the walls of the passageway shall be lined where the concrete or masonry lining is at least how far above the adjoining grade? (306.4)

12 inches 16 inches 6 inches 4 inches

98) Where equipment requiring access is located on an elevated structure or roof of a building, there shall be an exterior means of access if they must climb a ladder more than what height to access the equipment? (306.5)

10 feet 16 feet 20 feet 24 feet

99) Equipment and appliances on roofs shall not require climbing over obstructions greater than what height above the roof? (306.5)

24 inches 30 inches 48 inches 60 inches

100) Equipment on sloped roofs that require services shall have a platform of at least 30 inches of working horizontal space on each side of the appliance if the roof slope is more than what? (306.5.1)

3 units vertical in 12 units horizontal 1unit vertical in 12 units horizontal 4 units vertical in 12 units horizontal 5 units vertical in 12 units horizontal

ICC 2021 Commercial Mechanical Inspector Quiz 1

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