Exam 8: Building Layout

After leveling a transit-level over the point of an angle, called its ____, loosen the horizontal clamp screw.

A ____ is a point of designated elevation that is accessible at all times during the construction.

Plumbing down from batter board strings is done to locate the __________.

To detect a laser beam, a battery powered electronic sensor target, also called a receiver or ____, is attached to the leveling rod or stick.

Water seeks its own level.

Horizontal angles are measured using a _____.

The strings of a set of batter boards represent the edge of the excavation.

If a rectangle has equal lengths, equal widths, and equal __________, then the layout is said to be square.

Any line whose points are the same distance below or above an optical level's line of sight is also level.

Dry buildings are easier to heat than damp ones.

Batter boards consist of horizontal members called ____.

Grading the building site to drain water away from the building ___________.

Building layout uses measurements from property lines called __________ distances.

The compensator in an automatic level uses ____ to maintain a true level line of sight.

If no other tools are available, a carpenter's hand level and a long straightedge may be used together to level across a building area.

If building length is 42'-6" and the width is 31' -9", then the diagonal is ____.

When using a telescope such as a transit, one should keep both eyes open to reduce eye strain.

Rotating leveling screws of a transit is best done by moving thumbs toward or away from each other.

The vertical cross hair of a telescope is helpful to measure vertical angles with a builders level.

The ____ level consists of a telescope to which a spirit level is mounted.