Chapter:

Introduction-to-Surveying

1. The area of figure from ordinate rule can be determined as__________


2. Find area of traverse using Simpson’s rule if d= 12 m and values of ordinates are 2.25m, 1.46m, 3.23m, 4.46m.


3. A tacheometer is setup at an intermediate point on a traverse course PQ and following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9o30′ 2.250 2.105 Q + 6o00′ 2.055 1.975 The constants are 100 and 0. Compute length PQ and reduced level of Q. RL of P = 350.50 m.


4. In subtense bar method, horizontal angle subtended by two targets fixed on a horizontal bar at a known distance apart is measured at instrument station by odolite.


5. Which of horizontal hairs are equivalent in stadia diaphragm of tacheometer?


6. Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100.

Inst. Station Staff station Reduced bearing Vertical angle Staff reading
O P N37W 412 0.910, 1.510, 2.110
O Q N23E 542 1.855, 2.705, 3.555

Calculate horizontal distance between P and Q.


7. Distance and elevation formulae for fixed hair method assuming line of sight as horizontal and considering an external focusing type telescope is D = Ks + C. where K is ___


8. If ground is undulating, rough, difficult and inaccessible. Under se circumstances _____ methods are used to obtain distances.


9. The calculation of area by ordinate rule and Simpson’s rule will come under which category?


10. Calculate area by mid-ordinate rule if value of d = 2m and ordinates are given as 24.69m, 42.96 m, 26.74m.


Topics

This Chapter Introduction-to-Surveying consists of the following topics

Area Computation & Tacheometric Surveying

The area of figure from ordinate rule can be determined as__________

;

Find area of traverse using Simpson’s rule if d= 12 m and values of ordinates are 2.25m, 1.46m, 3.23m, 4.46m.

;

A tacheometer is setup at an intermediate point on a traverse course PQ and following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9o30′ 2.250 2.105 Q + 6o00′ 2.055 1.975 The constants are 100 and 0. Compute length PQ and reduced level of Q. RL of P = 350.50 m.

;

In subtense bar method, horizontal angle subtended by two targets fixed on a horizontal bar at a known distance apart is measured at instrument station by odolite.

;

Which of horizontal hairs are equivalent in stadia diaphragm of tacheometer?

;

Following observations were taken with a tacheometer fitted with an anallactic lens having value of constant as 100.

Inst. Station Staff station Reduced bearing Vertical angle Staff reading
O P N37W 412 0.910, 1.510, 2.110
O Q N23E 542 1.855, 2.705, 3.555

Calculate horizontal distance between P and Q.

;

Distance and elevation formulae for fixed hair method assuming line of sight as horizontal and considering an external focusing type telescope is D = Ks + C. where K is ___

;

If ground is undulating, rough, difficult and inaccessible. Under se circumstances _____ methods are used to obtain distances.

;

The calculation of area by ordinate rule and Simpson’s rule will come under which category?

;

Calculate area by mid-ordinate rule if value of d = 2m and ordinates are given as 24.69m, 42.96 m, 26.74m.

;