Air Density & Bernoulli's Equation: Tolerance Explained

[member 731016]

Homework Statement

Please see below

Relevant Equations

Please see below

For this,

Can someone please tell me what tolerance means in this context?

Many thanks!

 

[haruspex]

Homework Statement: Please see below
Relevant Equations: Please see below

For this,
View attachment 327029
Can someone please tell me what tolerance means in this context?

Many thanks!

In engineering, it means how much error is acceptable. Not sure what Guest User meant.

 

[Tom.G]

Homework Statement: Please see below
Relevant Equations: Please see below

Can someone please tell me what tolerance means in this context?

I believe Guest User is asking how close your experimental answer is to the 'correct' or book answer, as given by Bernoulli's equation.

Hope this helps!

Cheers,
Tom

 

[jbriggs444]

I believe Guest User is asking how close your experimental answer is to the 'correct' or book answer, as given by Bernoulli's equation.

I have a slightly different interpretation. It seems that we have not been given full context.

As I reconstruct things, there is some primary experiment or measurement that the student is doing. The student is asked to do a secondary measurement of air density to verify the accuracy of the primary experiment.

Possibly the primary experiment is to weigh some air and the secondary measurement of air density is a sanity check. Possibly the primary experiment is something else that could be affected by wind resistance, atmospheric buoyancy or some such and the secondary measurement of density will quantify the expected error from that source.

 

[member 731016]

In engineering, it means how much error is acceptable. Not sure what Guest User meant.

I believe Guest User is asking how close your experimental answer is to the 'correct' or book answer, as given by Bernoulli's equation.

Hope this helps!

Cheers,
Tom

I have a slightly different interpretation. It seems that we have not been given full context.

As I reconstruct things, there is some primary experiment or measurement that the student is doing. The student is asked to do a secondary measurement of air density to verify the accuracy of the primary experiment.

Possibly the primary experiment is to weigh some air and the secondary measurement of air density is a sanity check. Possibly the primary experiment is something else that could be affected by wind resistance, atmospheric buoyancy or some such and the secondary measurement of density will quantify the expected error from that source.

Thank you for your replies @haruspex, @Tom.G, and @jbriggs444! That all helps a lot!

Many thanks!