Surveying Practice 08/04/2022

Which of these is the safest way to transport a leveling instrument?

• Directly put the instrument in a car.

• Put the instrument in a box and then put it into a car.

• Hold the carrying handle and the bottom of the instrument with your hands.

• None of these.

Answer explanation

Always keep the instrument inside its box when travelling.

Is the following statement correct?

The total station carrying case can be closed properly only when the instrument is set correctly in the padded supports.

• Yes

• No

• I don't understand the question.

Why do we have to close the instrument case once the instrument is removed from it?

Select the correct option.

• To protect the instrument.

• To avoid your classmates taking the instrument.

• To prevent dirt and moisture from entering into the instrument case.

• None of these.

Answer explanation

Always close the instrument case once the instrument is removed from it.

What is the appropriate height for setting a tripod with a total station?

• Up to your belly.

• Up to your shoulder or your chin.

• Up to your nose.

• None of these.

Answer explanation

The appropriate height for setting a tripod is up to your chin or shoulder.

If each fixed tripod leg falls slowly of its own weight after being placed in a horizontal position, it is not adjusted properly.

• Yes

• No

• I don't understand the question.

• I don't know.

Give the correct sequence of steps we have to follow when taking the level out of the box.

A- Lift the level from the carrying handle with one hand and hold the base with the other hand.

B- Close the container.

C- It should be removed from its container.

• A

  B

  C

• C

  A

  B

• C

  B

  A

• I don't know.

Point out which one of the pictures shows one of the most obvious mistakes and mention what was that mistake.

Example: Picture X, the mistake was yada yada yada.

Answer explanation

Picture 3, the case was left open.

In the leveling step after you complete centering, what are the correct steps to level a total station? Give the correct sequence.

X -The telescope is rotated until it is over two screws A and B.

Y- Repeat the process with the telescope rotated 90° so that it is over C.

Z- Using the thumbs and index fingers of both hand to adjust simultaneously the opposite screws.

• X

  Y

  Z

• Z

  X

  Y

• X

  Z

  Y

• None of these.