An warehouse facility is seeking to store cartoned Level 3 aerosol products on pallets. If the storage height is 10 feet in height with a 23 foot ceiling, what minimum k-factor must be provided for the ceiling-level sprinklers protecting this area?
a. K-8.0
b. K-11.2
c. K-14.0
d. K-16.8

Solution | Posted 10/01/18

A control area exists within a fully-sprinklered paint manufacturing facility. Current storage of Class IB and IC liquids total 100 gallons. If these and new Class IB and IC liquids are moved into approved liquid storage cabinets, how much more volume is permitted to be stored above the current 100 gallons?
a. 20 gallons
b. 140 gallons
c. 380 gallons
d. 480 gallons

Solution | Posted 09/28/18

For a performance-based design, a fire protection consultant makes an assumption that the production rate of carbon monoxide for a modeled fire package is equal to the highest production rate of each of the component fuels. This assumption would be considered:
a. explicit safety factor
b. implied safety factor
c. total safety factor
d. no safety factor

Solution | Posted 09/27/18

The resulting pressure curve from two fire pumps with different pressure-flow curves, combined in parallel, is:
a. additive (resulting pressure is equal to pump pressures added together)
b. equal to the lesser pressure of the two pumps
c. equal to the greater pressure of the two pumps
d. higher than the greater pressure of the two, but less than the sum of the two

Solution | Posted 09/26/18

A high-rise building is to use a pressurized tank (half air-half water) to supply automatic sprinkler systems. If hydraulic calculations determine that 55 psi is required to supply the sprinkler system, what tank pressure is required?
a. 55 psi
b. 95 psi
c. 125 psi
d. 140 psi

Solution | Posted 09/25/18

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​Balance the following combustion equation for hexane: C6H14 + (O2 + 3.76N2) = CO2 + H2O + N2
a. C6H14 + 6(O2 + 3.76N2) = 6CO2 + 7H2O + 6(3.76)N2
b. C6H14 + 19(O2 + 3.76N2) = 6CO2 + 7H2O + 6(3.76)N2
c. C6H14 + 19(O2 + 3.76N2) = 12CO2 + 14H2O + 19(3.76)N2
d. 2C6H14 + 19(O2 + 3.76N2) = 12CO2 + 14H2O + 19(3.76)N2

Solution | Posted 09/19/18

​A risk preference which is not fully attributable to an objective measure of loss is best described as:
a. risk evaluation
b. perceived risk
c. risk analysis
d. risk estimation

Solution | Posted 09/18/18

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Hydrogen gas will combust at which of the following percent volumetric concentrations in air?
i. 2.5%
ii. 35%
iii. 65%
iv. 85%
​
a. ii and iii
b. iii and iv
c. ii, iii, and iv
d. i, ii, iii, and iv

Solution | Posted 09/17/18

Where otherwise provided in accordance with code, which of the following is not an acceptable water supply for a fire sprinkler system?
a. grade-level water storage tank
b. lake reservoir
c. reclaimed water collection
d. all of the above are acceptable

Solution | Posted 09/14/18

What is the foam friction loss (in head per 100 ft) and flow velocity for a 4:1 expansion foam flowing 130 gpm in a 2-1/2" schedule 40 pipe (with a c-factor of 100) most nearly?
a. 4.5 ft head/100 ft pipe and 4.75 ft/s
b. 8 ft head/100 ft pipe and 4.75 ft/s
c. 10 ft head/100 ft pipe and 4.5 ft/s
d. 30 ft head/100 ft pipe and 5.5 ft/s"

Solution | Posted 09/13/18

If the relationship below describes the growth phases of fire, what point does the arrow indicate?
a. ignition
b. ceiling jet creation
c. flashover
d. growth

Solution | Posted 09/12/18

​Chlorine and Methyl Bromide are examples of what International Hazard Class and Division?
a. Class 1 Division 1.4
b. Class 2 Division 2.3
c. Class 4 Division 4.2
d. Class 6 Division 6.1

Solution | Posted 09/11/18

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Historically, places of assembly have had major loss of life due to what unique building elements?
a. combustible loads that aid in rapid fire growth
b. inadequate exiting
c. overcrowding
d. all of the above

Solution | Posted 09/06/18

A Level 2 Aerosol is to be boxed and stored on pallets at 15 feet with a ceiling height of 26 feet. Which of the following sprinkler protection criteria is acceptable?
a. Standard Spray (K-factor at least 8.0) Sprinklers; 0.30 gpm/sqft over 2,500 sqft
b. ESFR upright K14.0, quick-response, 12 sprinklers at 50 psi
c. ESFR pendent K16.8, quick response, 12 sprinklers at 35 psi
d. ESFR pendent K22.4, standard response, 12 sprinklers at 25 psi

Solution | Posted 09/05/18

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An opening within a smoke partition for air transfer requires what type of protective device?
a. fire/smoke damper, minimum 45 minute rating
b. fire/smoke damper, minimum 1.5 hour rating
c. smoke damper, minimum 250 F rated
d. smoke damper, minimum 350 F rated

Solution | Posted 09/04/18