search
arrow-left Previous
Next arrow-right
Q: Which of the following is not a typical cross staff variation?
  • A. German cross staff
  • B. Adjustable cross staff
  • C. French cross staff
  • D. Open cross staff
Correct Answer: Option A - Instruments for setting out right angles- There are several types of instruments used to set out a right angle to a chain line. The most common being- (1) Cross Staff (a) open cross staff (b) French cross staff (c) Adjustable cross staff (2) Optical Square (3) Prism Square (4) Site Square
A. Instruments for setting out right angles- There are several types of instruments used to set out a right angle to a chain line. The most common being- (1) Cross Staff (a) open cross staff (b) French cross staff (c) Adjustable cross staff (2) Optical Square (3) Prism Square (4) Site Square

Explanations:

Instruments for setting out right angles- There are several types of instruments used to set out a right angle to a chain line. The most common being- (1) Cross Staff (a) open cross staff (b) French cross staff (c) Adjustable cross staff (2) Optical Square (3) Prism Square (4) Site Square