Which of the following methods of levelling is a modified form of stadia levelling? Options: A . &nbspBarometric levelling B . &nbspTrigonometric levelling C . &nbspSpirit levelling D . &nbspTraversing

Which of the following methods of levelling is a modified form of stadia levelli

Question

Which of the following methods of levelling is a modified form of stadia levelling?

Options:

A . Barometric levelling

B . Trigonometric levelling

C . Spirit levelling

D . Traversing

Answer: Option B
Answer: (b).Trigonometric levelling

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Question 1. At a given point, the atmospheric pressure doesn’t remain constant in the course of the day, even in the course of an ....of the day, even in the course of an hour.

Question 2. Which process of levelling in which the elevations of points are computed from the vertical angles and horizontal distan....the vertical angles and horizontal distances measured in the field?

Question 3. Which of the following methods of levelling makes use of the phenomenon that difference in elevation between two points ....proportional to the difference in atmospheric pressures at these points?

Question 4. The eyepiece magnifies the cross hairs.....

Question 5. The line of sight is also called _____....

Question 6. What is the line which passes through the optical centres of objective and eye piece?....

Question 7. The focal length of an objective varies with eyepiece.....

Question 8. The establishment of line of sight, therefore, involves the following two essential conditions, the real image must be f....the image must coincide with that of the cross hairs.

Question 9. The operation of forming or bringing the clear image of the object in the plane of cross hairs is known as ______....

Question 10. The theory of direct levelling neglects _____....

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