# 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!