In adiabatic flow with friction, the stagnation temperature alonga streamline
Circulation is defined as line integral of tangential component of velocity about a ......
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The 2-D flow with, velocity = (x + 2y + 2)i + (4 – y)j is:
Match List-I (Pipe flow) with List-II (Type of acceleration) and select the correct answer:
Irrotational flow occurs when:
Assertion (A): Stream lines are drawn in the flow field such thatat a given instant of time there perpendicular to the direction offlow at every point in the flow field.
Reason (R): Equation for a stream line in a two dimensional flowis given by Vx dy – Vy dx = 0.
Which one of the following is the correct statement?
Streamline, path line and streak line are identical when the
The continuity equation for a steady flow states that
Irrotational flow occurs when:
Consider the following statements:
For a two-dimensional potential flow
1. Laplace equation for stream function must be satisfied.
2. Laplace equation for velocity potential must be satisfied.
3. Streamlines and equipotential lines are mutually perpendicular.
4. Stream function and potential function are not interchangeable.
Which one of the following statements is correct?
The pressure centre is:
The vertical component of the hydrostatic force on a submergedcurved surface is the
Resultant pressure of the liquid in case of an immersed body actsthrough which one of the following?
Consider the following statements about hydrostatic force on asubmerged surface:
1. It remains the same even when the surface is turned.
2. It acts vertically even when the surface is turned.
Which of these is/are correct?
The vertical component of force on a curved surface submergedin a static liquid is equal to the
The depth of centre of pressure for a rectangular laminaimmersed vertically in water up to height ‘h’ is given by:
What acceleration would cause the free surface of a liquid contained in an open tank moving in a horizontal track to dip by45°?
The vertical component of the hydrostatic force on a submerged curved surface is the
Consider the following statements regarding a plane areasub merged in a liquid:
1. The total force is the product of specific weight of the liquid,the area and the depth of its centroid.
2. The total force is the product of the area and the pressure atits centroid.
Of these statements:
A circular disc of radius 'r' is submerged vertically in a static fluidup to a depth 'h' from the free surface. If h > r, then the positionof centre of pressure will:
29 docs|220 tests
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29 docs|220 tests
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