In an immersed body, centre of pressure is

Centre of pressure in an immersed body is __________ the centre of gravity.

A

Above

B

Below

C

At

D

Either above or below; depends on the liquid density

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

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 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

The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

A

Up-thrust

B

Reaction

C

Buoyancy

D

Metacentre

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

When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

A

Pascal’s law

B

Archimedes’s principle

C

Principle of flotation

D

Bernoulli’s theorem

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 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

In an immersed body, centre of pressure is

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