ICC 29 EXAM SAMPLE QUESTIONS


116. The minimum local exhaust continuous ventilation rate in cubic feet per minute for bathroom in an apartment building is:

A. 20 cfm

B. 40 cfm

C. 100 cfm

D. 150 cfm

117. Abandoned inlet openings in chimneys and vents must be _____________ by an approved method.

A. labeled

B. closed

C. marked

D. hidden

118. The installation of fuel gas distribution piping and equipment, fuel gas-fired appliances and fuel gas-fired appliance venting systems must be regulated by the ____________________________________.

A. International Building Code

B. Natural Gas Fuel Code

C. International Mechanical Code

D. International Fuel Gas Code

119. That air delivered to each or any space supplied by the air distribution system or the total air delivered to all spaces supplied by the air distribution system, which is provided for ventilating, heating, cooling, humidification, dehumidification and other similar purposes.

A. THEORETICAL AIR

B. SUPPLY AIR

C. COMBUSTION AIR

D. RETURN AIR

120. Type F steel pipe must not be used for refrigerant lines having an operating temperature less than ________________.

A. 32°F

B. 0°F

C. -10°F

D. -20°F

121. Hydronic piping systems must be designed and installed to permit the system to be drained. Where the system drains to _______________________, the installation must conform to the requirements of the International Plumbing Code.

A. an outdoor grade

B. the plumbing drainage system

C. a holding tank

D. none of these

122. A safety or explosion relief vent must be provided on all systems that convey _____________ refuse or stock of an explosive nature, in accordance with the requirements of the International Building Code.

A. gaseous

B. fine dust

C. liquid

D. combustible

123. A boiler furnishing hot water at pressures not exceeding 160 psi (1103 kPa) and at temperatures not exceeding 250ºF (121ºC).

A. LOW-PRESSURE STEAM-HEATING BOILER.

B. LOW-PRESSURE HOT-WATER-HEATING BOILER

C. LOW-SIDE PRESSURE.

D. none of the above

124. In exterior walls and bearing partitions, any wood stud is permitted to be cut or notched not to exceed _____________ of its depth.

A. 15 percent

B. 55 percent

C. 6 percent

D. 25 percent

125. The maximum air temperature within nonmetallic ducts must not exceed ___________________.

A. 108ºF

B. 212ºF

C. 250ºF

D. 350ºF

126. A 30-ampere branch circuit shall be permitted to supply fixed lighting units with heavy-duty lampholders in other than a dwelling unit(s) or utilization equipment in any occupancy, and the rating of any one cord-and-plug-connected utilization equipment s

A. 50

B. 80

C. 100

D. 125

127. The minimum local exhaust intermittent ventilation rate in cubic feet per minute for a kitchen in a one or two family dwelling is:

A. 25 cfm

B. 50 cfm

C. 100 cfm

D. 200 cfm

128. How many complete air changes per hour are required in limited spraying spaces that apply flammable finishes?

A. one

B. two

C. four

D. six

129. What is the minimum distance in feet between the lowest edge of a grease filter and an burner without an exposed flame is ___________.

A. 0.5

B. 2

C. 3.5

D. 4.5

130. Fuel-burning appliances and equipment having ______________ and that use combustion air from the machinery room must not be installed in a machinery room. Exceptions ignored.

A. open flames

B. internal heat exchanges

C. multiple burners

D. none of these

131. Appliances that comprise parts of the building mechanical system must not be converted for the usage of a different fuel, except where approved and converted in accordance with the _______________________.

A. local fuel supplier

B. local building official

C. National Fuel Gas Code

D. manufacturer’s instructions

132. Minor additions, alterations, renovations and repairs to existing mechanical systems must meet the provisions for new construction, unless such work is done in the same manner and arrangement as was in the existing system, is ____________________________________

A. not hazardous

B. approved.

C. not hazardous and is approved.

D. all of the above

133. Requirements necessary for the strength, stability or proper operation of an existing or proposed mechanical system, or for the public safety, health and general welfare, not specifically covered by this code, must be determined by __________________.

A. the code official

B. a design engineer

C. the installation contractor

D. none of the above

134. Studwall cavities and the spaces between solid floor joists to be utilized as air plenums must, among other requirements, _______________________________,

A. be utilized as a plenum for supply air

B. not be part of a required fire-resistance-rated assembly

C. not convey air from more than one floor level

D. not be isolated from adjacent concealed spaces by approved fireblocking as required in the International Building Code

E. B and C

135. Liquids having flash points at or above 100ºF (38ºC) and below 140ºF (60ºC).

A. Class I Liquid

B. Class II Liquid

C. Class IIIA Liquid

D. Class IIIB Liquid

136. An upblast fan serving Type I hoods and installed in a vertical must be hinged and supplied with a flexible weatherproof electrical cable to permit inspection and cleaning. The ductwork must extend a minimum of ________________________ above the roof surface.

A. 6 inches (152 mm)

B. 12 inches (305 mm)

C. 18 inches (457 mm)

D. 24 inches (609 mm)

137. The maximum horizontal length of a single- wall connector must be _________ percent of the height of the chimney or vent.

A. 50

B. 65

C. 75

D. 80

138. What is the maximum pipe support spacing in feet for aluminum pipe which is installed in a vertical orientation?

A. 5

B. 10

C. 15

D. 6

139. .A transition assembly in which plastic piping is installed and terminated above ground outside of a building.

A. anodeless riser

B. visible termination access point

C. gas service valve

D. none of the above

140. Type II hoods must be constructed of steel not less than ______________________________ in thickness, stainless steel not less than 0.024 inch (0.61 mm) (No. 24 Gage) in thickness, copper sheets weighing not less than 24 ounces per square foot (7.3 kg/m2), or of other approved material and gage.

A. 0.0296 inch (0.76 mm) (No. 22 Gage)

B. 0.060 inch (0.152 mm) (No. 10 Gage)

C. 0.042 inch (0.98 mm) (No. 18 Gage)

D. any of these

141. Exhaust ducts that convey hazardous exhaust must be supported at intervals not exceeding ____________________. Supports must be constructed of noncombustible material.

A. 5 feet (1524 mm)

B. 8 feet (2432 mm)

C. 10 feet (3048 mm)

D. 12 feet (3660 mm)

142. In a wood structure, cutting or notching of studs not greater than ________ percent of their depth is permitted in nonbearing partitions supporting no loads other than the weight of the partition.

A. 10

B. 20

C. 30

D. 40

143. In wood structures, notches on the ends of joists must not exceed ____________________ the joist depth.

A. one-fourth

B. 6% of

C. 1/2 of

D. 10% of

144. Structures occupied for purposes involving explosion hazards must be provided with ____________________ where required by the International Fire Code.

A. an explosion proof roof

B. an explosion safe area

C. explosion sensors

D. explosion control

145. Every steam boiler must be equipped with a bottom __________ valve. The valve must be installed in the opening provided on the boiler.

A. check

B. anti-siphon

C. blowoff

D. none of these

146. Ducts and air transfer openings constructed of approved materials, in accordance with Section 603, that penetrate the ceiling membrane of a fire-resistance-rated floor/ceiling or roof/ceiling assembly must be protected with which of the following:

A. A shaft enclosure in accordance with Sections 707 of the International Building Code.

B. A listed ceiling radiation damper installed at the ceiling line where a duct penetrates the ceiling of a fire-resistance-rated floor/ceiling or roof/ceiling assembly.

C. A listed ceiling radiation damper installed at the ceiling line where a diffuser with no duct attached penetrates the ceiling of a fire-resistance-rated floor/ceiling or roof/ceiling assembly.

D. one of the above

147. Permits must not be required for the following:

A. Portable heating appliances

B. Gas heating appliances

C. Electrical heating appliances

D. Solar heating appliances