1000+ Fluid Mechanics Multiple Choice Questions and Answers Pdf - 2

Question: 6

The eddy viscosity for turbulent flow is

(A) dependent on the flow

(B) independent of the flow

(C) a function of temperature only

(D) a physical property of the fluid

Question: 7

Unsteady flow occurs when

(A) the flow fluctuates but the average values of flow parameters remains same

(B) the velocity at a given point changes from time to time

(C) the velocity change from place to place

(D) none of the above

Question: 8

The unit of surface tension is

(A) N

(B) N/M

(C) N/M²

(D) N/M³

Question: 9

A flow in which each liquid particle has a definite path and the paths of individual particles do not cross each other is called

(A) streamline flow

(B) steady flow

(C) uniform flow

(D) all the above

Question: 10

Trajectory of a free jet is

(A) elliptic curve

(B) catenery

(C) circular curve

(D) parabola