A. at the centroid of the submerged area
B. always above the centroid of the area
C. always below the centroid of the area
D. none of the above
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Related Mcqs:
- A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of________________?
- A. 3.75 m B. 4.0 m C. 4.2m D. 4.5m...
- If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will________________?
- A. rise until its weight equals the buoyant force B. tend to move downward and it may finally sink C. float D. none of the above...
- The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to_______________?
- A. PA B. pA sin 9 C. pA cos 9 D. pA tan 9 where p is pressure intensity at centroid of area and A is area of plane surface...
- The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as__________________?
- A. center of gravity B. center of buoyancy C. center of pressure D. metacentre...
- With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on__________________?
- A. a circular disc of plate held normal to flow B. a sphere C. a cylinder D. a streamlined body...
- A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is___________________?
- A. zero B. one-fourth its value when cylinder was full C. one-half its value when cylinder was full D. cannot be predicted from the given data...
- In steady flow of a fluid, the total accele ration of any fluid particle______________?
- A. can be zero B. is never zero C. is always zero D. is independent of coordinates...
- If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is__________________?
- A. 0.25 B. 0.50 C. 1.0 D. none of the above...
- The depth ādā below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?
- A. 0.423 D B. 0.577 D C. 0.223 D D. 0.707 D where D is the depth of flow...
- The motion of air mass in a tornado is a________________?
- A. free vortex motion B. forced vortex motion C. free vortex at center and forced vortex outside D. forced vortex at center and free vortex outside...
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