Related Questions

When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
A Less than
B More than
C Equal to
D None of these
A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.
A Equal
B Directly proportional
C Inversely proportional
D None of these
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be
A h
B wh
C $$\frac{{\text{w}}}{{\text{h}}}$$
D $$\frac{{\text{h}}}{{\text{w}}}$$
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.
A $$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ below}}$$
B $$\frac{{{I_{\text{G}}}}}{{{\text{A}}\overline {\text{x}} }}{\text{ above}}$$
C $$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ below}}$$
D $$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ above}}$$
The centre of pressure acts __________ the centre of gravity of immersed surface.
A At
B Above
C Below
D None of these
The depth ‘d’ 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 (where D is the depth of flow)
A 0.423 D
B 0.577 D
C 0.223 D
D 0.707 D
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is
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
The point at which the resultant pressure on an immersed surface acts, is known as
A Centre of gravity
B Centre of depth
C Centre of pressure
D Centre of immersed surface
Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid
A Lies above the centroid of the plane surface
B Is independent of the specific weight of the fluid
C Is different for different fluids
D Is at the centroid of the plane surface

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