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A stream line is a line

Q.  
A stream line is a line


Answer & Explanation

Stream line is an imaginary curve drawn through a flowing fluid in such a way that the tangent to it at any point gives the direction of velocity of flow at that point.

Thus correct option is: D.

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More Questions Fluid Mechanics:

Q.  
The stream lines and the lines of constant velocity potential in an inviscid rotational flow field form

A. Parallel grid lines placed in accordance with their magnitude

B. Intersecting grid net with arbitrary orientation

C. An orthogonal grid system

D. None of the above


Answer & Explanation

Q.  
The vertical component of the force on a curved surface submerged in a static liquid is equal to the

A. Mass of the liquid above the curved surface

B. Weight of the liquid above the curved surface

C. Product of pressure at CG multiplied by the area of the curved surface

D. Product of pressure at CG multiplied by the projected area of the curved surface


Answer & Explanation

Q.  
In a flow field, the stream lines and equipotential lines

A. Are parallel

B. Cut at any angle

C. Are orthogonal everywhere in the flow field

D. Cut orthogonally except at the stagnation points


Answer & Explanation

Q.  
Surface tension is due to

A. Viscous forces

B. Cohesion

C. Adhesion

D. The difference between adhesive and cohesive forces


Answer & Explanation
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