BAT Blueprint Reading & Interpretation 2

Question 1

On a plumbing blueprint, a dashed line adjacent to a backflow preventer symbol typically indicates:

Accepted Answer

A hidden or concealed pipe run

Answer

Dashed lines in blueprint conventions represent hidden features, such as pipes concealed within walls or underground.

Question 2

A reduced pressure zone (RPZ) assembly is shown on a riser diagram at 18 inches above finished floor. What does this elevation indicate to the tester?

Accepted Answer

The centerline height of the assembly

Answer

Elevation dimensions on riser diagrams typically reference the centerline of the pipe or assembly unless otherwise noted.

Question 3

Which symbol on a mechanical drawing most commonly represents a gate valve?

Accepted Answer

Two triangles pointing toward each other at their tips

Answer

Gate valves are conventionally shown as two triangles meeting at their tips (bow-tie shape) on mechanical and plumbing drawings.

Question 4

When a blueprint legend lists 'BFP' next to a specific symbol, the tester should expect to find:

Accepted Answer

A backflow preventer at that location

Answer

BFP is a standard abbreviation for Backflow Preventer used in legends on plumbing and mechanical drawings.

Question 5

A plan view drawing shows a double check valve assembly (DCVA) with a 'N.T.S.' notation. This means:

Accepted Answer

The drawing is not to a consistent scale

Answer

N.T.S. stands for 'Not To Scale,' indicating that the drawn dimensions should not be measured directly from the print.

(BAT) Backflow Assembly Tester Certification Practice Test

(BAT) Backflow Assembly Tester Certification Practice Test

BAT Blueprint Reading & Interpretation 2