In the mechanical Engineering fluid mechanics is crucial for the all Competitive exams, so let's learn about Concept of Mcq on dimensional analysis helps to modernization.So keeping these things in mind, Lets understand the topic of Mcq on dimensional analysis .
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| Mcq on dimensional analysis |
Objective questions (Mcq) on dimensional analysis:-
a) Mass
b) Density
c) Speed
d) Volume
b) Density
c) Speed
d) Volume
Answer:- A
2. Speed is depending on the length and time.
A. True
B. False
Answer:- A
3. Which is the use of dimensional analysis from following.
a) for checking the dimensional corrections.b) To Solving the equation dimensionally
c) To get the number of constants
d) To understand the dimensional equations
Answer:- A
4. The unit of the dimensions does not depend on any other dimensional unit, this unit called as.....
a) Fundamental dimensionb) Dependents dimension
c) Independents dimension
d) Absolute dimensions
Answer:- A
5. The fundamental dimensions are in dimensional analysis is...
A. 5
B. 6
C. 7
D. 8
Answer:- C
6. The dimensionless quantity of the following is....
a) Massb) Weight
c) Specific weight
d) Reynold’s number
Answer:- D
7. In SI system there are seven (7) fundamental dimensions.
A. True
B. False
Answer:- A
8. The Reynolds number used to define the flow of fluids.
A. True
B. False
Answer:- A
9. The mass is a primary quantity in dimensional analysis.
A. True
B. False
Answer:- A
10. The term density is depending on mass and volume.
A. True
B. False
Answer:- A
11. The ratio of inertia force to elastic force in square root is called as....
a. Mach's Numberb. Cauchy's Number
c. Both (a) and (b)
d. None of the above
Answer:- C
12. Dimensionless analysis is helps to convert the units of quantities from one (1) system to another system.
A. True
B. False
Answer:- A
13. The temperature is a primary quantity in dimensional analysis.
A.True
b. [M L T – 2]
c. [M L T – 3 ]
d. [M L 2 T 2 ]
b. Euler's equation
c. Weber's equation
d. All of the above
B. False
Answer:- A
14. Which of the following is the dimensions of force.
a. [M L T – 1 ]b. [M L T – 2]
c. [M L T – 3 ]
d. [M L 2 T 2 ]
Answer:- B
15. The time (T) is a primary quantity in dimensional analysis.
A.True
B. False
Answer:- A
16. Which of the following is a dimensionless equation are used in dimensional analysis.
a. Reynold's equationb. Euler's equation
c. Weber's equation
d. All of the above
Answer:- D
17. The dimensional formula of coefficient of viscosity is [ML-1T -1]
A. True
B. False
Answer:- A
18. The best method which gives relationship among the dimensionless group in Buckingham π theorem method.
A. True
B. False
Answer:- A
19. The prototype is the full size machine.
A. True
B. False
Answer:- A
20. The model is larger, smaller or even same size as the prototype.
A. True
B. False
Answer:- A
21. The ratio of inertia force to the viscous force is called as.....
A. Reynold's number
B. Euler's numberC. Weber's number
D. None of the above
Answer:- A
22. The similarities of motion is considered in kinematics similarity.
A. True
B. False
Answer:- A
23. Catchy number is the square of a Mach number.
A. True
B. False
Answer:- A
24. Inertia force to the surface tension force is called as.....
A. Reynold's number
B. Euler's numberC. Weber's number
D. None of the above
Answer:- C
25. The reciprocal of Euler number is called as Newton number.
A. True
B. False
Answer:- A
Here we concluding, If you have any queries about the topic of Mcq on dimensional analysis, then feel free to comment below.
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