A. Density of the fluid
B. Density of the body
C. Velocity of the body
D. Projected area of the body
Related Mcqs:
- 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. - 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 - The ratio of wall drag to total drag in the Stoke’s law range is_________________?
A. 0.5
B. 1
C. 1/3
D. 2/3 - 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 - 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)?
A. Df + Bf = Wf
B. Df = Bf + Wf
C. Df + Bf + Wf =0
D. None of these - Theoretical head developed by a centrifugal pump does not depend upon the _____________ the impeller?
A. Radius of
B. Speed of
C. Fluid velocity leaving
D. None of these - The discharge co-efficient for an orifice meter does not depend upon the ___________________?
A. Pipe length
B. Ratio of pipe diameter to orifice diameter
C. Type of orifice & the Reynolds number
D. Pipe diameter - Location of vena-contracta in an orificemeter does not depend upon the________________?
A. Type of orifice
B. Density, viscosity & compressibility of the fluid
C. Ratio of pipe diameter to orifice diameter
D. Pipe roughness - The buoyant force acting on a floating body is dependent on the _______________?
A. Viscosity of the liquid
B. Weight of the liquid displaced
C. Depth of immersion of the body
D. Surface tension of the liquid - Drag is defined as the force exerted by the___________________?
A. Fluid on the solid in a direction opposite to flow
B. Fluid on the solid in the direction of flow
C. Solid on the fluid
D. None of these
