Choose the wrong statement (A) The center of buoyancy is located at the center of gravity of the displaced liquid (B) For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy (C) If C.G. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium for all positions (D) All floating bodies are stable

Choose the wrong statement
(A) The center of buoyancy is located at the center of gravity of the displaced liquid
(B) For stability of a submerged body, the center of gravity of body must lie directly below the
center of buoyancy
(C) If C.G. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium
for all positions
(D) All floating bodies are stable
by

1 Answer

Answer :

Answer: Option D
by

Related questions

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Last Answer : (C) Lies below its centre of buoyancy

Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The point through which buoyant force acts, is called the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid

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The conditions for the stable equilibrium of a floating body are (A) The metacentre should lie above the center of gravity (B) The center of buoyancy and the center of gravity must lie on the same vertical line (C) A righting couple should be formed (D) All the above are correct

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A body floats in stable equilibrium (A) When its meatcentric height is zero(B) When the metacentre is above e.g. (C) When its e.g. is below its center of buoyancy (D) Metacentre has nothing to do with position of e.g. for determining stability

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A body floating in a liquid is said to be in neutral equilibrium, if its metacentre (A) Coincides with its centre of gravity (B) Lies above its centre of gravityC) Lies below its centre of gravity (D) Lies between the centre of buoyancy and centre of gravity

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A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy. (A) Coincides with (B) Lies below (C) Lies above (D) None of these

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When a body floating in a liquid, is displaced slightly, it oscillates about (A) C.G. of body (B) Center of pressure (C) Center of buoyancy (D) Metacentre

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The center of gravity of the volume of the liquid displaced by an immersed body is called (A) Metacentre (B) Center of pressure (C) Center of buoyancy (D) Center of gravity

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The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to (A) Buoyancy (B) Equilibrium of a floating body (C) Archimedes' principle (D) Bernoulli's theorem

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For an unstable equilibrium of a floating body (where, M = metacentre.) (A) M is above G (B) M is below G(C) M & G coincide(D) None of these

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The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. (A) The bodies A and B have equal stability (B) The body A is more stable than body B (C) The body B is more stable than body A (D) The bodies A and B are unstable

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04. A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity. A) True B) False

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06. A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity. A) Agree B) Disagree

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To ensure some degree of longitudinal stability in flight, the position of the CG: a. Must always coincide with the AC b. Must be forward of the Neutral Point c. Must be aft of the Neutral Point d. Must not be forward of the aft CG limi

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The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as (A) Meta center (B) Center of pressure (C) Center of buoyancy (D) Center of gravity

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The force of buoyancy is always __________ the weight of the liquid displaced by the body. (A) Equal to (B) Less than (C) More than (D) None of these

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The body will float if the force of buoyancy is __________ the weight of the liquid displaced. (A) Equal to (B) Less than (C) More than (D) None of these

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The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced. (A) Equal to (B) Less than (C) More than (D) None of these

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12. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. A) Agree B) Disagree

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Center of buoyancy is the (A) Centroid of the displaced volume of fluid (B) Center of pressure of displaced volume (C) Does not exist (D) None of the above

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Metacentric height is given as the distance between (A) The center of gravity of the body and the metacentre (B) The center of gravity of the body and the center of buoyancy (C) The center of gravity of the body and the center of pressure (D) Center of buoyancy and metacentre

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According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to (A) The weight of the body (B) More than the weight of the body (C) Less than the weight of the body (D) Weight of the fluid displaced by the body

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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

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Last Answer : (A) Reducing the problem of kinetics to equivalent statics problem

Metacentre is the point of intersection of (A) Vertical upward force through e.g. of body and center line of body (B) Buoyant force and the center line of body (C) Midpoint between e.g. and center of buoyancy (D) All of the above

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Last Answer : (B) Weight of the liquid displaced

Resultant pressure of the liquid in the case of an immersed body acts through (A) Centre of gravity (B) Centre of pressure (C) Metacentre (D) Centre of buoyancy

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Last Answer : Answer: Option B

The curve of metacentre for a floating body __________ the curve of buoyancy. (A) Is always below (B) Is the evolute of (C) Intersects at right angle (D) Is tangential to

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Metacentric height is the distance between the metacentre and (A) Water surface(B) Center of pressure (C) Center of gravity (D) Center of buoyancy

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Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used (C) When water table is just at the base of the footing, no reduction factor is used (D) None of these

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