When allowing hot work operations to proceed, at least one fire extinguisher with a minimum 2-A:20-B:C rating should be located within 30 ft. of where the hot work is being conducted.

Which of the following is a critically important factor regarding fire extinguisher location? 

Which of the following is a structural component composed of smaller components in a triangular configuration?

Class B extinguishers have numerical ratings from 1-B through 640-B. 

A facility uses acetone in large mixing tanks to achieve the correct viscosity required by a customer. The acetone arrives in 55 gallon drums and is pumped using a hand-crank pump into the mixer vessels. The vessel is open topped and vapor freely volatilizes into the room. What is the required exhaust ventilation (to the nearest cubic foot per minute) to ensure that an explosive vapor concentration will not be accumulated during tank filling (assume that we require a safety factor of 5)?

Which of the following types of smoke detectors works on all types of fires and is best suited for living rooms and bedrooms?

Which of the following types of classifications indicates the length of time a door will resist fire before it is breached? 

Which of the following statements regarding flame detectors is MOST accurate? 

Upon what is the distinction between flammable and combustible liquids based? 

For aboveground tanks containing liquids classified as IA through IC, II, or IIIA, the distances between should be at least ___ the sum of their diameters.