Consider the following characteristics of contours:
1. A uniform slope is indicated when contour lines are uniformly spaced.
2. Contour lines cannot end anywhere but can close on themselves.
3. A set of closed contours indicates a depression or a summit, according to the lower or higher values being respectively inward.
Which of the above statements are correct?
Question 2
Planimeter is an instrument which is used for?
Question 3
A survey opens an old map plotted to a 10 m to 1 cm scale. He used a planimeter to find the plan's area and measure it as 124 cm2. If he further realized that the plan or sheet had shrunk, a line 20 cm long now measured 19.04 only. Then the true area of the survey on the ground is ______ m2.
Question 4
Consider the following statements about box sextant instrument
1) It measures both horizontal and vertical angles.
2) It determines the elevation.
3) It can be used for locating inaccessible points in chain surveying.
4) It is extremely useful in reconnaissance.
Which of the followings statement are correct?
Question 5Multiple Correct Options
For a circular curve having radius 265 m and deflection angle 100˚. Which of the following statements is/are correct?
Question 6
What is the volume of a 6 m deep tank having a rectangular-shaped top of 6m × 4m and a bottom of 4m × 2m (use primordial formula)
Question 7
During testing of dumpy level, the following observation were taken: If A and B are 95 m apart then what is the angle of inclination of line of collimation in degree when instrument is at B is
Question 8
Calculate the standard error of the volume of a cube (in cm3) whose sides a, b, and c have the given values and standard errors as under.
