Exam 21: Use of Symbols

Which of the following is NOT a basic way for household doors to open?

Which of the following systems is usually NOT shown in much detail on drawings for single-family homes?

Explain why symbols are used on construction drawings.

Draw the symbol for a thermostat.

A __________ dimension is an approximate size and may not represent any of the actual dimensions of the object.

Draw the symbol for a fixed window (plan view).

The abbreviation DIA. means __________

Which of the following is NOT a type of hinged window?

A short line, or __________, represents the joint between the pipe and the fitting on plumbing plans.

Draw the symbol for a 90 ° elbow.

Reference marks, called __________, indicate on plans and elevations where details or sections of important features have been drawn.

The abbreviation EXT. stands for __________.

Draw the symbol for a gas line.

The abbreviation FOUND. means __________.

Draw the symbol for a wall light fixture.

The abbreviation for "reinforced" is __________.

Draw the symbol for a union fitting.

When a large area is made up of one material, it is common to only draw the symbol in a part of the area. Some drafters simplify this even further by __________ and omitting the symbol altogether.

Draw the symbol for a convenience outlet.

Which of the following is the largest opening measurement given for a window?