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JSSC JE (ME) :QUIZ-19 || Dimensional Analysis
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Question 1
Reynolds number for non-circular cross section is:
[V = mean velocity
v = kinematic viscosity
P = Ratio of cross sectional area to the wetter perimeter]
A)
B)
C)
D)
Question 2
For sub-critical flows, the value of Froude number is
Question 3
Dimensions of weight density (or specific weight) in terms of fundamental dimensions (M,L,T,θ) is given by
Question 4
Match the List – 1 with List – 2 and select the correct answer using the codes given below:
Question 5
Euler’s number relates:
Question 6
The dimensions of the surface tension are:
Question 7
For Aerodynamic testing application which of the following dimensionless number is used
Question 8
Reynolds number is significant in ____.
Question 9
If ‘n’ variables in a physical phenomenon contained ‘m’ fundamental dimensions. Then the variable can be arranged into:
Question 10
Using the Buckingham Pi (π) theorem, the relevant parameters are density, viscosity, bulk modulus, rotational speed. The number of independent non-dimensional groups are________?
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