Related Questions

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
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 $$\frac{{{\text{A}}\overline {\text{x}} }}{{{I_{\text{G}}}}}{\text{ above}}$$
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
Which law/principle states that when a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it?
A Boyle's Law
B Charles Law
C Archimedes Principle
D Pascal's Law
The center of pressure of a surface subjected to fluid pressure is the point
A On the surface at which resultant pressure acts
B On the surface at which gravitational force acts
C At which all hydraulic forces meet
D Similar to metacentre
In an immersed body, center of pressure is
A at the center of gravity
B above the center of gravity
C below be center of gravity
D could be above or below e.g. depending on density of body and liquid
The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.
A Equal to
B Less than
C Greater than
D None of these
Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
A 1.5x/y +0.5
B 2
C 4
D 5
The resultant upward pressure of the fluid on an immersed body is called
A upthrust
B buoyancy
C center of pressure
D all the above are correct
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called
A upthrust
B reaction
C buoyancy
D metacentre

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