A. 0.5
B. 1
C. 1/3
D. 2/3
Related Mcqs:
- The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?
A. 0.5
B. 1
C. 2
D. 0.33 - Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke’s law range is_________________?
A. 24/NRe,P
B. 16/NRe,P
C. 64/NRe,P
D. 48/NRe,P - In which of the following body shapes, the pressure drag is large compared to the friction drag ?
A. Stream line body
B. Two dimensional body
C. Bluff body
D. None of these - In Newton’s law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is___________________?
A. 0.44
B. 0.044
C. 4.4
D. 44 - Drag co-efficient CD, in Stoke’s law range is given by________________?
A. CD = 16/Re.p
B. CD = 24/Re.p
C. CD = 18.4/Re.p
D. CD = 0.079/Re
0.25.p - The Navier-Stokes equation deals with the law of conservation of___________________?
A. Mass
B. Energy
C. Both A. & B.
D. Momentum - Drag co-efficient for flow past immersed body is the ratio of _____________ to the product of velocity head and density?
A. Shear stress
B. Shear force
C. Average drag per unit projected area
D. None of these - Navier-Stokes equation is useful in the analysis of _____________ fluid flow problems?
A. Non-viscous
B. Viscous
C. Turbulent
D. Rotational - ____________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline?
A. Venturimeter
B. Pressure gauge
C. Pitot tube
D. Orificemeter - Pressure drag does not depend upon the_________________?
A. Roughness of surface of the body
B. Pressure of main flow only
C. Length of the body in flow direction
D. All A., B. and C.
