For adjustment purposes, the index arm can be rotated slightly with the help of a ________ screw. Options: A . &nbsptangent screw B . &nbsplevelling screw C . &nbspcliff screw D . &nbspfocusing screw

For adjustment purposes, the index arm can be rotated slightly with the help of

Question

For adjustment purposes, the index arm can be rotated slightly with the help of a ________ screw.

Options:

A . tangent screw

B . levelling screw

C . cliff screw

D . focusing screw

Answer: Option C
Answer: (c).cliff screw

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Question 1. To measure the horizontal angle which of the following is the first step?....

Question 2. The method of repetition is used to measure a horizontal angle to a finer degree of accuracy than that obtained with the....than that obtained with the least count of the vernier.

Question 3. After setting up the instrument first thing done by the surveyor is _________....

Question 4. After levelling of an instrument is done what is the next up?....

Question 5. For measuring an angle to the highest degree of precision, several sets of repetitions are usually taken.....

Question 6. If one of the vernier is at 0° then another vernier reading shows / also shows ______....

Question 7. To measure a horizontal angle, after releasing all clamps, we turn the upper and lower plates in the same direction.....

Question 8. To measure a horizontal angle by direct method is also called a repetition method.....

Question 9. Error due to structural defects in the instrument comes under ________ error.....

Question 10. Error due to imperfections due to wear comes under ________ error.....

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