2021 ICC Commercial Mechanical Inspector Quiz 2


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1) Condensate disposal piping shall maintain a minimum horizontal slope of? (307.1)

2) Condensate discharge shall be permitted to go into which of the following? (307.2.1)

3) Condensate drain piping can be made of all of the following, except? (307.2.2)

4) What is the minimum pipe trades size for condensate disposal lines? (307.2.2)

5) An auxiliary drain pan with a separate drain shall be provided under the coils on which condensate will occur, except for? (307.2.3(1), (3))

6) How shall condensate piping be trapped? (307.2.4)

7) The manufacturer requires a ventilation connector to be at least 24 inches from combustibles. If a sheet of 24 gauge galvanized steel is placed within a one inch offset from the combustible assembly, what shall the minimum spacing to combustibles from the ventilation connector be reduced to? (Table 308.4.2)

8) Interior spaces intended for human occupancy shall be provided with a heating system capable of maintaining what temperature at a point three feet above the f loor? (390.1)

9) Outdoor mechanical air intakes within 10 feet from an alley is required to be how high vertically above the alley? (401.4.2)

10) A kitchen hood vent is two feet vertically above an air supply intake on the side of an exterior wall. How far horizontally is the vent required to be away? (401.4.3)

11) The openings on residential air intakes screens shall be greater than what minimum size and less than what maximum size? (Table 401.5)

12) An exhaust system is required for appliances that produces gases that are in irritating quantities unless there is? (401.6)

13) The minimum openable are to the outdoors shall be what percent of floor area being ventilated through natural ventilation? (402.2)

14) Where rooms and spaces do not have openings to the outdoors, but are ventilated through an adjoining room, the natural ventilation openings to the outdoors in the adjoining room shall be what percent of the space? (402.3)

15) Air transfer from occupiable spaces is not prohibited in kitchens using what kind of air? (403.2.2)

16) Bathrooms require a minimum of what volume flow rate of intermittent ventilation? (Table 403.3.2.3)

17) Parking garages shall have continuously operated? (404.1)

18) Mechanical ventilation systems shall be provided with manual or automatic controls that will operate such systems? (405.1)

19) Crawl spaces require what level of ventilation whenever relative humidity exceeds 60 percent? (406.1)

20) A 1,500 square foot requires what ventilation flow rate when the humidity is detected at 60 percent? (406.1)

21) What is the required minimum People based mechanical ventilation rate for a

22) What is the total mechanical flow rate for a 2,000 square foot conference room?

23) A high school bathroom with 8 urinals and 8 toilet stalls requires what minimum continuous ventilation rate? (Table 403.3.1.1, Footnote b, [16 X 50])

24) Which of the following requires mechanical ventilation? (Table 403.3.1.1 Footnote b)

25) Clothes dryer exhaust vents can be combined with what other contaminated sources in a common vent? (501.2)

26) Mechanical exhaust is permitted to be discharged in which of the following locations? (501.3)

27) Exhausts discharging flammable vapors shall be how far above adjoining grade? (501.3.1(1)

28) Non flammable product conveying outlets shall discharge no closer than how far from an operable window within a building? (501.3.1(2))

29) All envbironmental air exhaust shall dischargt no closer than how far from a property line? (501.3.1(3))

30) Environmental air shall not discharge from a building any closer than what distance from an operable opening into a building? (501.3.1(3))

31) What minimum elevation above a flood hazard level is a mechanical exhaust outlet required to be at? (501.3.1(4))

32) What minimum exhaust rate is required for Type II dry cleaner system areas? (502.6.1)

33) A 130 square foot vault that contains tanks of Class 1 liquid is required to have mechanical ventilation at what rate? (502.9.5.1)

34) Motors and fans used to convey flammable vapors or dusts shall be either located outside the duct or shall be? (503.1)

35) Clothes dryer exhaust shall terminate on the outside of the building and shall be equipped with? (504.4)

36) Clothes dryer ducts are not permitted to extend through? (504.4)

37) Where a closet is designed for the installation of a clothes drying, an opening having a minimum area of what size shall be provided in the closet enclosure ? (504.7)

38) A domestic clothes dryer exhaust duct shall be constructed of metal and shall be what nominal diameter? (504.9.1)

39) Domestic clothes dryer transition ducts shall not be concealed within construction and shall be no longer that what length? (504.9.3)

40) The maximum length of a domestic clothes dryer exhaust duct shall be limited to? (504.9.4.1)

41) The maximum length of a domestic clothes drying exhaust duct with two 45 degree elbows is? (504.9.4.1, T504.9.4.1)

42) The maximum length of a commercial clothes drying transition duct is? (504.10)

43) Domestic cooking exhaust ducts above a range can be made from which if the following materials? (505.3)

44) PVC can be used for domestic duct systems for downdraft exhaust systems if the duct is installed under a concrete slab and the PVC duct does not extend more than how high above the concrete slab? (505.3 Exception 2)

45) Grease ducts serving Type I hoods shall be constructed of what gage of steel? (506.3.1.1)

46) How far away is combustible insulation permitted to be next to a Type I hood? (506.3.1.2)

47) Joints, seams and penetrations of grease ducts can use which of the following sealing methods? (506.3.2)

48) An interconnect Type 1 or II duct system for multiple hoods is permitted for? (506.3.5)

49) Grease duct bracing supports are required to be of what material? (506.3.3)

50) What is the minimum air velocity within the grease ducting of a Type 1 hood? (506.3.4)

51) Grease duct clearance to combustible construction and the gypsum wallboard shall be a minimum of what distance (506.3.6)

52) A grease duct serving a Type I hood is 84 horizontal feet and has an elevation gain of 20 inches. Is this acceptable? (506.3.7)

53) Grease ducts serving Type I hoods enclosed within construction is required to have what clearance to combustible construction and what clearance to noncombustible and gypsum construction? (506.3.11.1)

54) What is the minimum termination height above a roof for a Type I hood? (506.3.13.1)

55) A Type I hood that terminates on the side of a building shall be haow far above the adjoining grade level? (506.3.13.3)

56) Type I hood exhaust outlets are permitted up to five feet horizontally away from air intake locations on the side of building provided the exhaust outlet? (506.3.13.3 Exception)

57) Type I hoods shall be installed where cooking appliances produce? (507.2)

58) Hoods for use over charcoal fuel cooking shall have an exhaust that is? (507.2.2)

59) Type I hoods shall be constructed of steel with a minimum thickness of? (507.2.3)

60) The clearance of combustibles from a Type I hood shall be not less than? (507.2.6)

61) Type I hoods are permitted to be how close to 1/2 or thicker gypsum? (507.2.6 Exception 1)

62) The lowest edge of a grease filter located above the cooking surface that involves exposed flame and burners is? (Table 507.2.8)

63) Exposed charcoal is required to be separated vertically from the lowest edge of a grease filter by what distances? (Table 507.2.8)

64) Grease filters in a Type 1 hood shall be installed at an angle of not less that what from horizontal? (507.2.8.2)

65) What type of commercial hood is required over kitchen appliances that produces heat or moisture but not smoke? (507.3)

66) Type II hoods shall be constructed of steel having a minimum thickness of what gage? (507.3.1)

67) The inside lower edge of canopy style Type I and II hoods shall overhang or extend a horizontal distance of not less than how far beyond the edge of the appliance being served? (507.4.1)

68) The vertical distance between the front lower lip of a Type I or Type II canopy hood and the cooking surface shall not exceed what distance? (507.4.1)

69) Noncanopy-type hoods shall be located not greater than what distance above the cooking surface? (507.4.2)

70) Extra heavy-duty cooking appliances (used for wood fuel cooking) shall have a hood with a minimum CFM per linear foot of? (Table 507.5.1)

71) A wok cooking system with a double island canopy hood that is 6 feet long and 3 feet wide requires what ventilation rate? (507.5.2)

72) A gas powered chair broiler with a single island canopy that is 7 feet long and 3 feet wide requires what ventilation rage? (507.5.2)

73) A wall-mounted canopy hood that is 6 feet long and three feet wide over a gas broiler requires what ventilation rate? (507.5.2)

74) A wall mounted hood that is 8 feet long and three feet wide over a conveyor pizza cooker requires what ventilation? (507.5.3)

75) An electric fryer is protected by a 6 foot long hood that is 3 feet wide. The hood is required to have a minimum of what ventilation rate? (507.5.3)

76) A deck pizza oven is protected by a 6 foot wide wall-mounted canopy style hood that is 3 feet wide and requires what ventilation rate? (507.5.4)

77) A performance test of cooking hood systems shall be conducted upon completion of construction. The equipment and devices required to perform the necessary tests shall be furnished by the? (507.6)

78) The amount of makeup air for a commercial kitchen that is supplied to the building from all sources shall be approximately what percentate of the required exhaust air? (508.1)

79) The temperature diAerential between makeup air for a commercial kitchen and the air in the conditioned space shall not exceed what temperature? (508.1.1)

80) Cooking applieance required to have a Type I hood shall be provided with an approved automatic fire suppression system only if? (509.1)

81) Hazardous exhaust emissions include flammable vapors, gases, and dusts. The health-hazard rating of these materials shall be specified by? (510.1)

82) Hazardous exhaust systems shall be designed to prohibit flammable vapors reaching concentrations that exceed what percentage of the LFL? (510.2)

83) Common ventilation shafts for hoods shall not be used for? (510.4)

84) Systems for removal of particulate matter shall be designed by what method? (510.5)

85) The design of a hazardous exhaust system shall remove the emissions by a duct system to a safe location or it shall cause the emissions to be? (510.5.2)

86) Ducts are not required to be protected with an approved automatic fire suppression system where the largest cross-sectional diameter of the duct is less than what dimension? (510.7 Exception 3)

87) Ducts used to convey hazardous exhaust shall be constructed of approved? (510.8)

88) Ehxaust gases with temperatures above what value shall be exhausted to a chimney instead of ducting? (510.8.2, 511.2)

89) Ducting that removes flammable dust shall be equipped with? (511.1.5)

90) Ducts conveying hazardous exhaust above 600 degrees F shall be what minimum distance from combustible construction? (Table 511.2)

91) Subslab soil exhaust system ducts shall extend through the roof and terminate not less than what distance above the roof and not less than 10 feet from any operable openings or air intake (512.4)

92) All portions of active smoke control systems shall be capable of continued operation after detection of the fire event for a period of not less than? (513.4.6)

93) Openings in smoke barriers shall be protected by? (513.5.3)

94) The maximum air pressure difference across a smoke barrier shall be determined by the? (513.6.2)

95) An Energy Recovery Ventilation (ERV) system shall be provided with a means of access to the heat exchanger and other components of the system for maintenance, repair or? (514.3)

96) Corridors shall not serve as supply or return air ducts unless within tenant spaces of a maximum of what area? (601.2 Exception 3)

97) Ductwork within exit enclosures shall be allowed to comply with all of the following except? (601.3)

98) Exhaust ducts under positive pressure shall not extend into or pass through? (601.4)

99) Return air shall not be taken from all but which of the following? (601.5(7))

100) Plenum enclosures construction shall have a flame spread inex of not more than 25 on? (602.2)