Apprenticeship Exam Blueprint Reading and Technical Drawings 2

Question 1

What symbol is commonly used on electrical blueprints to indicate a duplex outlet?

Accepted Answer

A circle with two parallel lines

Answer

A duplex outlet is typically shown as a circle with two parallel lines on electrical floor plan drawings.

Question 2

On a plumbing blueprint, what does the abbreviation 'CW' typically stand for?

Accepted Answer

Cold Water

Answer

CW on plumbing drawings stands for Cold Water, identifying cold water supply lines.

Question 3

What is a 'legend' on a blueprint?

Accepted Answer

A key that explains symbols, abbreviations, and line types used in the drawing

Answer

A legend (or symbol key) identifies what each symbol, line type, and abbreviation means in that set of drawings.

Question 4

On a structural drawing, what does a 'W8×31' designation refer to?

Accepted Answer

A wide-flange steel beam 8 inches deep weighing 31 pounds per linear foot

Answer

W8×31 denotes a wide-flange (W-shape) steel beam with a nominal depth of 8 inches and a weight of 31 pounds per linear foot.

Question 5

What does 'RCP' stand for on a set of architectural drawings?

Accepted Answer

Reflected Ceiling Plan

Answer

RCP stands for Reflected Ceiling Plan, which shows ceiling features, lighting, and HVAC registers as if reflected onto the floor.

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