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This mock test of Dimensional And Model Analysis - 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam.
This contains 10 Multiple Choice Questions for Mechanical Engineering Dimensional And Model Analysis - 1 (mcq) to study with solutions a complete question bank.
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QUESTION: 1

Dimensional analysis is useful in

Dimensional analysis deals with the process whereby all the important factors involved in a physical phenomenon are systematically arranged into dimensional group.

Solution:

Dimensional analysis deals with the process whereby all the important factors involved in a physical phenomenon are systematically arranged into dimensional group.

QUESTION: 2

The principle of dimensional homogenity implies that

Solution:

QUESTION: 3

A 1 : 20 model of a spillw ay dissipated 0.25 hp. The corresponding prototype horsepower dissipated will, be

Solution:

QUESTION: 4

Which of the following is not a dimensionless number?

Solution:

QUESTION: 5

Dynamic similarity between model and prototype implies that

Solution:

Two systems are dynamically similar , if geometric and kinematic similarities exist and further the ratios of all corresponding forces in the two systems are the same.

If forces due to

and suffixees m and p stand for model and prototype respectively, strict dynamic similarity means:

QUESTION: 6

Principles of similitude form the basis of

Solution:

QUESTION: 7

Reynolds model law is applicable for

Solution:

QUESTION: 8

The Froude’s model law would not be applicable for the analysis of

Solution:

QUESTION: 9

Mach number is significant in

Solution:

QUESTION: 10

Weber number will be an important consideration in the study of

Solution:

### Dimensional Analysis

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### UNITS AND DIMENSIONAL ANALYSIS

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