Dumpy level - test your skills (fun interaction)

JavaScript not enabled.

Dumpy level - test your skills (fun interaction)

Put the set up steps into the correct order by dragging them to the appropriate box. Click the 'check answer' button to see how you went. Try again if the photos bounce back.

Are you confident you know how to hold the staff properly so Gary can get reliable, accurate readings?

Answer the following questions to make sure:

The person holding the staff should stand:

	beside it
	in front of it
	behind it

The person holding the staff should:

	pay attention to the task
	keep their fingers clear of the graduations on the face of the staff
	keep the staff vertical
	all of the above

It is very important to keep the staff in a vertical position.

When the staff is tilted off the vertical the reading will be ________ the true reading.

	greater than
	less than

Incorrect. Try again.

No, that will make it very hard for the person trying to sight the staff. You're supposed to be helping them, not getting in the way!

Yes, this is the spot to stand.

Yes, it is very important to keep your mind on the job.

Correct. Hold the edges of the staff so the graduations are clearly visible.

Yes, keep the staff in a vertical position.

Correct. Keep your mind on the job, keep your fingers clear of the staff face and keep the staff vertical.

Correct. A non-vertical staff will result in a higher reading.

No, a non-vertical staff will actually result in a higher reading. The lowest reading will indicate that the staff is vertical.