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

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
by

1 Answer

Answer :

A
by

Related questions

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

Description : 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 gravity C) Lies below its centre of gravity (D) Lies between the centre of buoyancy and centre of gravity

Last Answer : Answer: Option A

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

Description : 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

Last Answer : B

A floating/submerged body is always stable, if its centre of gravity (A) Lies above its centre of buoyancy (B) And centre of buoyancy coincide (C) Lies below its centre of buoyancy (D) Lies above its metacentre

Description : A floating/submerged body is always stable, if its centre of gravity (A) Lies above its centre of buoyancy (B) And centre of buoyancy coincide (C) Lies below its centre of buoyancy (D) Lies above its metacentre

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

For a floating body to be in stable equilibrium, its metacentre should be (A) Below the center of gravity (B) Below the center of buoyancy (C) Above the center of buoyancy (D) Above the center of gravity

Description : For a floating body to be in stable equilibrium, its metacentre should be (A) Below the center of gravity (B) Below the center of buoyancy (C) Above the center of buoyancy (D) Above the center of gravity

Last Answer : Answer: Option D

When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as (A) Centre of pressure (B) Centre of gravity (C) Centre of buoyancy (D) Metacentre

Description : When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as (A) Centre of pressure (B) Centre of gravity (C) Centre of buoyancy (D) Metacentre

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option D

The meatcentric height is the distance between the (A) Centre of gravity of the floating body and the centre of buoyancy (B) Centre of gravity of the floating body and the metacentre (C) Metacentre and centre of buoyancy (D) Original centre of buoyancy and new centre of buoyancy

Description : The meatcentric height is the distance between the (A) Centre of gravity of the floating body and the centre of buoyancy (B) Centre of gravity of the floating body and the metacentre (C) Metacentre and centre of buoyancy (D) Original centre of buoyancy and new centre of buoyancy

Last Answer : Answer: Option B

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

Description : 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

Last Answer : (B) M is below G

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

Description : 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 ... the submerged body must lie at neutral equilibrium for all positions (D) All floating bodies are stable

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option B

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

Description : The centre of gravity of the volume of the liquid displaced by an immersed body is called (A) Centre of gravity (B) Centre of pressure (C) Metacentre (D) Centre of buoyancy

Last Answer : Answer: Option D

For a body floating in a liquid the normal pressure exerted by the liquid acts at A) Bottom surface of the body (B) C.G. of the body (C) Metacentre (D) All points on the surface of the body

Description : For a body floating in a liquid the normal pressure exerted by the liquid acts at A) Bottom surface of the body (B) C.G. of the body (C) Metacentre (D) All points on the surface of the body

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option D

06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree

Description : 06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree

Last Answer : A

11. If a body floating in a liquid does not return back to its original position and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium. A) Yes B) No

Description : 11. If a body floating in a liquid does not return back to its original position and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium. A) Yes B) No

Last Answer : B

If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in (A) Neutral equilibrium (B) Stable equilibrium (C) Unstable equilibrium (D) None of these

Description : If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in (A) Neutral equilibrium (B) Stable equilibrium (C) Unstable equilibrium (D) None of these

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option B

If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium. (A) Neutral (B) Stable (C) Unstable (D) None of these

Description : If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium. (A) Neutral (B) Stable (C) Unstable (D) None of these

Last Answer : Answer: Option A

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

Description : 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

Last Answer : Answer: Option C

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

Description : 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

Last Answer : (B) Is the evolute of

11. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium. A) Agree B) Disagree

Description : 11. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium. A) Agree B) Disagree

Last Answer : A

The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant of gravity and buoyancy forces of the body c.The same as centre of gravity d.The metacentre of the body e.The point in a body about which it can rotate horizontally and oscillates under the influence of gravity

Description : The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant ... .The point in a body about which it can rotate horizontally and oscillates under the influence of gravity

Last Answer : a. The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis

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

Description : 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

Last Answer : A

10. The specific gravity has no units. A) Agree B) Disagree

Description : 10. The specific gravity has no units. A) Agree B) Disagree

Last Answer : A

02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Description : 02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Last Answer : A

For a floating body to be in equilibrium (A) Meta centre should be above e.g.(B) Centre of buoyancy and e.g. must lie on same vertical plane (C) A righting couple should be formed (D) All of the above

Description : For a floating body to be in equilibrium (A) Meta centre should be above e.g . (B) Centre of buoyancy and e.g. must lie on same vertical plane (C) A righting couple should be formed (D) All of the above

Last Answer : Answer: Option D

The line of action of the buoyant force acts through the (A) Centroid of the volume of fluid vertically above the body (B) Centre of the volume of floating body (C) Center of gravity of any submerged body (D) Centroid of the displaced volume of fluid

Description : The line of action of the buoyant force acts through the (A) Centroid of the volume of fluid vertically above the body (B) Centre of the volume of floating body (C) Center of gravity of any submerged body (D) Centroid of the displaced volume of fluid

Last Answer : Answer: Option D

In an immersed body, centre of pressure is (A) At the centre of gravity (B) Above the centre of gravity (C) Below be centre of gravity (D) Could be above or below e.g. depending on density of body and liquid

Description : In an immersed body, centre of pressure is (A) At the centre of gravity (B) Above the centre of gravity (C) Below be centre of gravity (D) Could be above or below e.g. depending on density of body and liquid

Last Answer : Answer: Option C

The distance between metacentre and __________ is called metacentric height. (A) Water surface (B) Centre of gravity(C) Centre of buoyancy(D) None of these

Description : The distance between metacentre and __________ is called metacentric height. (A) Water surface (B) Centre of gravity (C) Centre of buoyancy (D) None of these

Last Answer : (B) Centre of gravity

18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree

Description : 18. The property of a liquid which enables it to resist tensile stress is called its surface tension. A) Agree B) Disagree

Last Answer : A

19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Description : 19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Last Answer : A

02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree

Description : 02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree

Last Answer : A

14. The velocity of liquid flowing through an orifice varies with the available head of the liquid. A) Agree B) Disagree

Description : 14. The velocity of liquid flowing through an orifice varies with the available head of the liquid. A) Agree B) Disagree

Last Answer : A

Buoyant force is (A) Resultant force acting on a floating body (B) Equal to the volume of liquid displaced (C) Force necessary to keep a body in equilibrium (D) The resultant force on a body due to the fluid surrounding it

Description : Buoyant force is (A) Resultant force acting on a floating body (B) Equal to the volume of liquid displaced (C) Force necessary to keep a body in equilibrium (D) The resultant force on a body due to the fluid surrounding it

Last Answer : Answer: Option D

Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

Description : Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option A

AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Description : AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Last Answer : AB and CD are equal and parallel chords of a circle with centre O. Then AC passes through the centre O. [Agree `//` Disagree]

Abraham Lincoln said, "All human actions are caused by motives, and at the bottom of these motives are self". Do you agree or disagree that all human actions driven by selfishness?

Description : Abraham Lincoln said, "All human actions are caused by motives, and at the bottom of these motives are self". Do you agree or disagree that all human actions driven by selfishness?

Last Answer : Self, most definitely.

The line of action of the buoyant force acts through the (A) Centroid of the displaced volume of fluid (B) Centre of gravity of a submerged body (C) Centroid of the volume of any floating body (D) None of these

Description : The line of action of the buoyant force acts through the (A) Centroid of the displaced volume of fluid (B) Centre of gravity of a submerged body (C) Centroid of the volume of any floating body (D) None of these

Last Answer : (A) Centroid of the displaced volume of fluid

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

Description : 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

Last Answer : (B) Below

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

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

Last Answer : Answer: Option C

A number of forces acting at a point will be in equilibrium if a.Sum of the forces is zero b.Algebraic sum of the forces is zero c.Sum of the resolved parts in any two perpendicular directions are both zero d.None of the above e.The metacentre of the body

Description : A number of forces acting at a point will be in equilibrium if a.Sum of the forces is zero b.Algebraic sum of the forces is zero c.Sum of the resolved parts in any two perpendicular directions are both zero d.None of the above e.The metacentre of the body

Last Answer : d. None of the above

surface lies at a distance equal to __________ the centre of gravity. (A) IG sin² / bellow (B) IG sin² / (C) IG sin / (D) IG sin /

Description : surface lies at a distance equal to __________ the centre of gravity. (A) IG sin² / bellow (B) IG sin² / (C) IG sin / (D) IG sin /

Last Answer : Answer: Option A

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

Description : 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 ... the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid

Last Answer : Answer: Option D

The centre of gravity of a sprinter during the race lies – (1) Ahead of his feet (2) Behind his feet (3) At the centre of the body (4) To the left side of the body

Description : The centre of gravity of a sprinter during the race lies – (1) Ahead of his feet (2) Behind his feet (3) At the centre of the body (4) To the left side of the body

Last Answer : (1) Ahead of his feet Explanation: Running is a means of terrestrial locomotion allowing humans and other animals to move rapidly on foot. It is simply defined in athletics terms as a gait in ... are kept mostly straight and the center of gravity vaults over the legs in an inverted pendulum fashion.

The centre of gravity of a sprinter during the race lies (1) ahead of his feet (2) behind his feet (3) at the centre of the body (4) to the left side of the body

Description : The centre of gravity of a sprinter during the race lies (1) ahead of his feet (2) behind his feet (3) at the centre of the body (4) to the left side of the body

Last Answer : ahead of his feet

09. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance. A) Agree B) Disagree

Description : 09. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance. A) Agree B) Disagree

Last Answer : A

05. When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero. A) Agree B) Disagree

Description : 05. When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero. A) Agree B) Disagree

Last Answer : A

15. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth. A) Agree B) Disagree

Description : 15. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth. A) Agree B) Disagree

Last Answer : A