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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 13
46.
Which of the following is most prone to pulsating discharge flow ?
Centrifugal pump
Reciprocating pump
Gear pump
Axial flow pump
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A streamline is
the line connecting the mid-points of flow cross-sections.
defined for uniform flow only.
drawn normal to the velocity vector at every point.
always the path of a particle.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)
Df + Bf = Wf
Df = Bf + Wf
Df + Bf + Wf =0
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Drag is defined as the force exerted by the
fluid on the solid in a direction opposite to flow.
fluid on the solid in the direction of flow.
solid on the fluid.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The boundary layer is that part of a moving fluid, in which the fluid velocity is
affected by the fluid flow pressure.
constant.
affected by the presence of a solid boundary.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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