Kinematics of Fluid Motion - Mechanical Engineering (MCQ) questions and answers

1)   The rate of increase of velocity with respect to change in the position of fluid particle in a flow field is called as

a. local acceleration
b. temporal acceleration
c. convective acceleration
d. all of the above
Answer  Explanation 

ANSWER: convective acceleration

Explanation:
No explanation is available for this question!


2)   Blood circulation through arteries is

a. a laminar flow
b. a turbulent flow


Answer  Explanation 

ANSWER: a laminar flow

Explanation:
No explanation is available for this question!


3)   The component of acceleration due to change in the direction of velocity vector is called as

a. direction acceleration
b. tangential acceleration
c. normal acceleration
d. cannot say
Answer  Explanation 

ANSWER: normal acceleration

Explanation:
No explanation is available for this question!


4)   Viscous forces are not present in

a. rotational flow
b. irrotational flow
c. laminar flow
d. none of the above
Answer  Explanation 

ANSWER: irrotational flow

Explanation:
No explanation is available for this question!


5)   Which acceleration has a nonzero value in uniform flow?

a. Local acceleration
b. Convective acceleration
c. Both local as well as convective acceleration
d. unpredictable
Answer  Explanation 

ANSWER: Local acceleration

Explanation:
No explanation is available for this question!


6)   If stream function (Ψ) satisfies the Laplace equation, it is a possible case of

a. a circular flow
b. a rotational flow
c. an irrotational flow
d. none of the above
Answer  Explanation 

ANSWER: an irrotational flow

Explanation:
No explanation is available for this question!


7)   Which type of fluid flow is shown in below diagram?

a. Circular flow
b. Rotational flow
c. Irrotational flow
d. None of the above
Answer  Explanation 

ANSWER: Irrotational flow

Explanation:
No explanation is available for this question!


8)   The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at the point, is called as

a. path line
b. streak line
c. filament line
d. stream line
Answer  Explanation 

ANSWER: stream line

Explanation:
No explanation is available for this question!


9)   The actual path followed by a fluid particle as it moves during a period of time, is called as

a. path line
b. streak line
c. filament line
d. stream line
Answer  Explanation 

ANSWER: path line

Explanation:
No explanation is available for this question!


10)   In which method of describing fluid motion, the observer remains stationary and observes changes in the fluid parameters at a particular point only?

a. Lagrangian method
b. Eulerian method
c. Stationary method
d. All of the above
Answer  Explanation 

ANSWER: Eulerian method

Explanation:
No explanation is available for this question!