Fire Science Basics Test

Question 1

Wet wood is more difficult to ignite than dry wood. Wood wll be very difficult to ignite then when the moisture rises content above

Accepted Answer

15%

Answer

6%

Answer

11%

Answer

moisture content has no effect on combustibility

Question 2

Which of the following selection is an example of plant fiber?

Accepted Answer

Cotton

Answer

Wool

Answer

Mohair

Answer

Rayon

Question 3

Combustible metals are classified as what type fuels?

Accepted Answer

Class D

Answer

Class A

Answer

Class C

Answer

Class K

Question 4

Liquids that burn are classified as what type of fuels

Accepted Answer

Class B

Answer

Class A

Answer

Class D

Answer

Class K

Question 5

A liquid is classified as combustible if its flash point is

Accepted Answer

100°F or more

Answer

less than 70°F

Answer

less than 100°F

Answer

Answers 1 & 2 are correct

Question 6

The specific gravity of water at 4 degress celsius is

Accepted Answer

1

Answer

0.6

Answer

1.8

Answer

14.7

Question 7

The vapor density of air is

Accepted Answer

0.55

Answer

1

Answer

1.5

Answer

2.1

Question 8

Helium is an example of what type of gas?

Accepted Answer

Inert

Answer

Toxic

Answer

Flammable

Answer

Reactive

Question 9

An example of reactive gas is

Accepted Answer

argon

Answer

fluorine

Answer

hydrogen cyanide

Answer

nitrogen

Question 10

Wood and paper contain within their structure, approximately how much heat energy (in BTU) per pound?

Accepted Answer

12,500–15,000

Answer

6,000–7,000

Answer

16,000–21,000

Answer

20,000–23,000