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RVUNL_CE_Quiz 74

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Question 1

If the focus length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm. The additive constant is

Question 2

The rise and fall method for obtaining the reduced levels of points provides a check on
1) Fore sight
2) Back sight
3) Intermediate sight
Which of the above statements are correct?

Question 3

Anallactic Lens

(i) is a double convex lens provided between objective and eye-piece.

(ii) Makes the additive constant equal to zero.

(iii) Reduce the brightness of object

(iv) Makes multiplying constant equal to 100

Question 4

By using a tacheometer with annallactic lens having horizontal line of sight, the cross hair readings were recorded as 1.45, 1.25 and 1.10 m. Determine the horizontal distance between the instrument and stadia rod station if the multiplying constant is 100.

Question 5

The difference in longitude of a place and standard meridian is 20˚15’30”. What will be the time difference between these places?

Question 6

Consider the following statements:

Statement 1: In fixed hair stadia method, the staff intercept will always remain constant irrespective of distance.

Statement 2: Distance between cross hairs always remain constant in fixed hair stadia method.

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Jul 25AE & JE Exams