After levelling of an instrument is done what is the next up? Options: A . &nbspReleasing all clamps B . &nbspLoosing the lower clamp C . &nbspTurning plates D . &nbspClamping the plates

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

Question

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

Options:

A . Releasing all clamps

B . Loosing the lower clamp

C . Turning plates

D . Clamping the plates

Answer: Option A
Answer: (a).Releasing all clamps

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Question 1. For measuring an angle to the highest degree of precision, several sets of repetitions are usually taken.....

Question 2. If one of the vernier is at 0° then another vernier reading shows / also shows ______....

Question 3. To measure a horizontal angle, after releasing all clamps, we turn the upper and lower plates in the same direction.....

Question 4. To measure a horizontal angle by direct method is also called a repetition method.....

Question 5. Error due to structural defects in the instrument comes under ________ error.....

Question 6. Error due to imperfections due to wear comes under ________ error.....

Question 7. Inaccurate levelling comes under ______ error.....

Question 8. Error due to the line of collimation not being perpendicular to the horizontal axis comes under ________ error.....

Question 9. Error due to in accurate centering comes under ________ error.....

Question 10. Manipulating wrong tangent screw comes under _____ error.....

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