| The closing error in a closed traverse is adjusted by |
A) Bowditch’s rule
B) Slide rule
C) Lehman’s rule
D) Vernier rule
| A prismatic compass gives _____ bearing of a survey line. |
A) QB
B) WCB
C) QB and WCB
D) None of above
| A tie line is run |
A) to check the accuracy of field work
B) parallel to the survey line
C) to locate details which are away from the chain line
D) between main survey lines
| For taking offsets with an optical square on the right hand side of the chain line, it is held |
A) by left hand up side down
B) by right hand upright
C) by left hand upright
D) by right hand upside down
| For a closed traverse of 8 sides, the sum of external angle is |
A) 360°
B) 720°
C) 1140°
D) 1800°
| Whole circle bearing of a line is 330°30′. What is the value in terms of quadratal bearing ? |
A) N 29°30′ W
B) N 150° W
C) S 60°30′ W
D) None of above
| Temporary adjustment of a prismatic compass are |
A) centering
B) adjustment of levels
C) adjustment of needle
D) adjustment of vane
| Relative closing error is equal to |
A) P/e
B) e/P
C) P × e
D) P + e
| The two point problem and three point problem are methods of |
A) resection
B) orientation
C) traversing
D) resection and orientation
| In a prismatic compass, the zero is marked on the |
A) North end
B) South end
C) East end
D) West end
