Overseer Gr II SET 10

A pattern of dots that appears on screen but that doesn't print is called

• Grid

• Snap

• Limits

• Ortho

Brick laid with its length parallel to the face of wall is called a

• Header

• Course

• Closer

• Stretcher

A stretcher bond is usually used for

• One brick wall

• 2 brick wall

• One and a half brick wall

• Half brick wall

When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be

• Positive error

• Compensating error

• Negative error

• Nil

A line joining some fixed points on the main survey lines, is called as

• Base line

• Check line

• Tie line

• Offset line

The cumulative errors that occur fro a length of the line L are proportional to

• √L

• 1/L

• 1/√L

• L

If the bearing of AB=N50E bearing of AC=N40W then <BAC=___

• 90°

• 10°

• 220°

• 130°

The magnetic bearing of a line is 54°30' and the magnetic declination is 4°30'W the true bearing of a line will be

• 59°

• 50°

• 30°

• 4°30'

The most commonly used set of theodolite operations are

• Right face & right swing

• Right face & left swing

• Left face & right swing

• Left face & left swing

When the cross hairs are not clearly visible

• The cross hairs should be adjusted

• Eye piece should be focussed

• Objective should be focussed

• Parallax should be removed