Dimensional Analysis

Question 1

What are the dimensions and units of length?

Answer 1

L and m

Question 2

What are the dimensions and units of Time?

Answer 2

T and s

Question 2

What are the dimensions and units of Mass?

Answer 2

M and kg

Question 3

What are the dimensions and units of Luminous Intensity?

Answer 3

C/J and candela/Cd

Question 3

What are the dimensions and units of Current?

Answer 3

I and A

Question 4

What are the dimensions and units of Amount?

Answer 4

n/mol and moles

Question 5

What are the dimensions and units of Temperature?

Answer 5

Theta and K

Question 6

What is homogeneity?

Answer 6

All terms in an equation must have the same dimensions

Question 7

What is a dimensionless group?

Answer 7

A group of variable for which are equal to a dimensionless constant

Question 8

What is a fundamental independent quantitity?

Answer 8

A quantity for which it cannot be expressed as a combination of the other quantities

Question 9

What is Buckingham’s Pi theorem?

Answer 9

N ̃=N-m where m is the number of fundamental independent quantities and N is the number of quantities