Chapter 7

Question 1

Fire resistance rating

Answer 1

A rating given to a building that indicates the resistance of the building to collapse or total involvement in a fire.

Question 2

Frame construction

Answer 2

A class of construction that has load-bearing components made of wood or other combustible materials such as brick or stone veneer.

Question 3

Joisted masonry construction

Answer 3

A class of construction that has load-bearing exterior walls made of brick, adobe, concrete, gypsum, stone, tile, or similar materials; that has floors and roofs of combustible materials; and that has a fire-resistant rating of at least one hour.

Question 4

Noncombustible

Answer 4

An ISO combustibility of classification for occupancies with merchandise or materials that do not in themselves constitute an active fuel for the spread of fire.

Question 5

Masonry noncombustible construction

Answer 5

Masonry construction or construction that includes exterior walls of fire-resistant construction with a fire-resistant rating of not less than one hour.

Question 6

Modified fire-resistive construction

Answer 6

A class of construction that has exterior walls, floors, and roofs of masonry or other fire-resistive materials with a fire-resistance rating of 1 to 2 hours.

Question 7

Fire-resistive construction

Answer 7

A class of construction that has exterior walls, floors, and roofs of masonry or other fire-resistive materials with a fire-resistance rating of at least two hours.

Question 8

Wet pipe sprinkler systems

Answer 8

Automatic fire sprinkler systems with pipes that always contain water under pressure, which is released immediately when a sprinkler head opens.

Question 9

Dry pipe sprinkler system

Answer 9

Automatic fire sprinkler systems with pipes that contain compressed air or another inert gas that holds a valve in the water line shut until an open sprinkler head releases the gas and allows water to flow through the previously dry pipe to the sprinkler head.

Question 10

Deluge system

Answer 10

A type of sprinkler system in which all the heads remain permanently open; when activated by a detection system, a deluge valve allows water into the system.

Question 11

Halogenated agent extinguishing system

Answer 11

An automatic fire sprinkler system in which halocarbons are used to disrupt the chemical reaction of fire; commonly used in computer rooms and magnetic-tape storage vaults.

Question 12

Dry chemical system

Answer 12

A type of fire suppression system in which finely divided powders are distributed through pipes to nozzles positioned to allow for full distribution over the fire exposure area.

Question 13

Foam system

Answer 13

A chemical foam system that is used in outside areas to smother a fire.

Question 14

Carbon dioxide system

Answer 14

A type of fire suppression system in which carbon dioxide is stored as a liquid under pressure and is discharged as a gas through the pipes of the system to the fire site.

Question 15

Framing

Answer 15

The structural members that form of the skeleton of a building.

Question 16

Joist

Answer 16

A horizontal timber to which either the floor or ceiling is attached.

Question 17

Bridging

Answer 17

A short piece of bracing that is inserted laterally between joists.

Question 18

Pitch

Answer 18

The angle of the roof.

Question 19

Load-bearing wall

Answer 19

A wall that runs at a right angle to the joists and bears the weight of the structure.

Question 20

Rough in

Answer 20

To installed the plumbing and electrical wiring that will ultimately be concealed within the walls and ceiling.

Question 21

Overhead

Answer 21

The fixed cost to run a business.

Question 22

Cutting and fitting waist

Answer 22

The amount of material that is left over after cutting and fitting to size for repair.

Question 23

Milling waste

Answer 23

The difference between the actual size and the normal size of a piece of material.

Question 24

Nominal size

Answer 24

The size of a piece of lumber before it is surfaced or finished.

Question 25

Employer’s burden

Answer 25

The difference between the worker’s wage and contractor’s hourly rate; includes costs such as taxable and nontaxable benefits, unemployment tax, Social Security tax, and insurance costs.

Question 26

Labor and materials method

Answer 26

An estimating method based on the number of labor hours and the amount of material for each repair item.

Question 27

Unit cost method

Answer 27

An estimating method based on a common unit of measure such as square feet, which combines the cost of the materials and the cost of the labor into one amount.