The following items will test your knowledge of the material covered in this

lesson. There is only one correct answer for each item. When you complete

the exercise, check your answers with the answer key. If you answer any

items incorrectly, go back to the part of the lesson that contains the

information involved and study again.

1. How wide should earth firewalls be at the top?

A. 12 inches.

B. 16 inches.

C. 18 inches.

D. 20 inches.

2. In theaters of operation, how high should "splinter walls" be around the

tank?

A. 6 or 8 feet.

B. 8 or 10 feet.

C. 10 or 12 feet.

D. 18 or 20 feet.

3. What

is the formula for determining the inside diameter of the firewall?

A. d

= 4.73 x (h + 1 / c).

B. d

= 2.68 x (c / h - 1).

C. c

= 2.69 x (d / h-1).

D. d

= 2.68. x (c / h + 1).

4. In the formula for determining the inside diameter of a firewall, what

does "c" represent?

A. Height of firewall.

B. Diameter of firewall.

C. Percent of capacity.

D. Tank capacity.

5. What are the fire wall dimensions, in feet, for a tank with a 10,000

gallon capacity?

A. 3 high, 1 wide.

B. 4 high, 1.5 wide.

C. 3 high, 1.5 wide.

D. 5.5 high, 1 wide.

12-86

QM 5099

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6230 Stone Rd, Unit Q
Port Richey, FL 34668
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