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

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
by

1 Answer

Answer :

Answer: Option D
by

Related questions

The line of action of the buoyant force acts through the Centroid of the (A) Submerged body (B) Volume of the floating body (C) Volume of the fluid vertically above the body (D) Displaced volume of the fluid

Description : The line of action of the buoyant force acts through the Centroid of the (A) Submerged body (B) Volume of the floating body (C) Volume of the fluid vertically above the body (D) Displaced volume of the fluid

Last Answer : Answer: Option D

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

The line of action of the buoyant force passes through the centre of gravity of the (A) Submerged body (B) Displaced volume of the fluid (C) Volume of fluid vertically above the body (D) Horizontal projection of the body

Description : The line of action of the buoyant force passes through the centre of gravity of the (A) Submerged body (B) Displaced volume of the fluid (C) Volume of fluid vertically above the body (D) Horizontal projection of the body

Last Answer : (B) Displaced volume of the fluid

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

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

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

07. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced. A) True B) False

Description : 07. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced. A) True B) False

Last Answer : A

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

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

Description : 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

Last Answer : Answer: Option A

The centre of pressure is (A) Always below the centroid of the area (B) Always above the centroid of the area (C) A point on the line of action of the resultant force (D) At the centroid of the submerged area

Description : The centre of pressure is (A) Always below the centroid of the area (B) Always above the centroid of the area (C) A point on the line of action of the resultant force (D) At the centroid of the submerged area

Last Answer : (C) A point on the line of action of the resultant force

The buoyant force acting on a floating body is dependent on the (A) Viscosity of the liquid (B) Weight of the liquid displaced (C) Depth of immersion of the body (D) Surface tension of the liquid

Description : The buoyant force acting on a floating body is dependent on the (A) Viscosity of the liquid (B) Weight of the liquid displaced (C) Depth of immersion of the body (D) Surface tension of the liquid

Last Answer : (B) Weight of the liquid displaced

Volume of liquid displaced by a floating body is equivalent to its (A) Own weight (B) Submerged weight (C) Own volume (D) Submerged volume

Description : Volume of liquid displaced by a floating body is equivalent to its (A) Own weight (B) Submerged weight (C) Own volume (D) Submerged volume

Last Answer : (A) Own weight

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

According to principle of transmissibility of forces, the effect of a force upon a body is (A) Maximum when it acts at the center of gravity of a body (B) Different at different points in its line of action (C) The same at every point in its line of action (D) Minimum when it acts at the C.G. of the body

Description : According to principle of transmissibility of forces, the effect of a force upon a body is (A) Maximum when it acts at the center of gravity of a body (B) Different at different points in its line of action ... at every point in its line of action (D) Minimum when it acts at the C.G. of the body

Last Answer : (C) The same at every point in its line of action

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

Description : 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

Last Answer : (B) Is independent of the specific weight of the fluid

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 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

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

Description : 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

Last Answer : Answer: Option B

An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of (A) 1 (B) 1.2 (C) 0.8 (D) 0.75

Description : An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of (A) 1 (B) 1.2 (C) 0.8 (D) 0.75

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

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

Description : 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

Last Answer : Answer: Option C

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

Buoyant force (A) For non-symmetrical bodies is not vertical (B) Depends on the depth of the submergence of the floating body (C) Depends on the weight of the floating body (D) None of these

Description : Buoyant force (A) For non-symmetrical bodies is not vertical (B) Depends on the depth of the submergence of the floating body (C) Depends on the weight of the floating body (D) None of these

Last Answer : (C) Depends on the weight of the floating body

The resultant of all normal pressures acts (A) At C.G. of body (B) At center of pressure (C) Vertically upwards (D) At metacentre

Description : The resultant of all normal pressures acts (A) At C.G. of body (B) At center of pressure (C) Vertically upwards (D) At metacentre

Last Answer : Answer: Option C

__________ forces act on a particle moving through a stationary fluid(A) Gravity(B) Drag(C) Buoyant(D) All (A), (B), & (C)

Description : __________ forces act on a particle moving through a stationary fluid (A) Gravity (B) Drag (C) Buoyant (D) All (A), (B), & (C)

Last Answer : (D) All (A), (B), & (C)

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (A) (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) If ports are closed, the dry intake towers will not have any water (B) Even if ports are closed, the wet intake tower will have water filled up to reservoir level (C) No buoyant force acts on wet intake towers (D) All the above

Description : Pick up the correct statement from the following:  (A) If ports are closed, the dry intake towers will not have any water  (B) Even if ports are closed, the wet intake tower will have water ... to reservoir level  (C) No buoyant force acts on wet intake towers  (D) All the above 

Last Answer : (D) All the above 

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

Description : 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

Last Answer : Answer: Option D

A rigid body is suspended vertically at a point and oscillates with a small amplitude under the action of the force of gravity. Such an arrangement is called a.Simple pendulum b.Rigid pendulum c.Second's pendulum d.Compound pendulum e.Newton's pendulum

Description : A rigid body is suspended vertically at a point and oscillates with a small amplitude under the action of the force of gravity. Such an arrangement is called a.Simple pendulum b.Rigid pendulum c.Second's pendulum d.Compound pendulum e.Newton's pendulum

Last Answer : d. Compound pendulum

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as * 1 point (A) simple pendulum (B) torsional pendulum (C) compound pendulum (D) second’s pendulum

Description : When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as * 1 point (A) simple pendulum (B) torsional pendulum (C) compound pendulum (D) second’s pendulum

Last Answer : (C) compound pendulum

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as A. simple pendulum B. torsional pendulum C. compound pendulum D. second’s pendulum

Description : When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as A. simple pendulum B. torsional pendulum C. compound pendulum D. second’s pendulum

Last Answer : C. compound pendulum

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as (A) simple pendulum B) torsional pendulum (C) compound pendulum (D) second’s pendulum

Description : When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as (A) simple pendulum B) torsional pendulum (C) compound pendulum (D) second’s pendulum

Last Answer : (C) compound pendulum

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

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

Description : 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

Last Answer : 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

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

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

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

Choose the wrong statement (A) The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface (B) The horizontal component acts through the center of pressure for the vertical projection (C) The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area (D) The vertical component passes through the center of pressure of the volume

Description : Choose the wrong statement (A) The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface (B) The horizontal component ... above the area (D) The vertical component passes through the center of pressure of the volume

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

Define centroid and centre of gravity.

Description : Define centroid and centre of gravity.

Last Answer : Centroid: It is defined as the point through which the entire area of a plane figure is assumed to act, for all positions of the lamina. e. g. Triangle, Square.  Centre of Gravity: It is defined as ... of the body is assumed to act, irrespective of the position of a body. e.g. Cone, Cylinder.

The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Description : The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option A

The time of oscillation of a floating body is (A) Longer, if Metacentric height is increased (B) Independent of the Metacentric height (C) Dependent on the buoyant forces only (D) None of these

Description : The time of oscillation of a floating body is (A) Longer, if Metacentric height is increased (B) Independent of the Metacentric height (C) Dependent on the buoyant forces only (D) None of these

Last Answer : (D) None of these

What type of force acts ONLY through the center of gravity of a gyro, and does NOT cause precession?

Description : What type of force acts ONLY through the center of gravity of a gyro, and does NOT cause precession?

Last Answer : Force of translation.

A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to-----? A. Prop him up if he falls B. Spread out his weight and reduce the pressure on the rope C. Add extra weight to keep the rope tightly stretched D. To keep the Center of gravity always above vertically above the rope (Answer)

Description : A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to-----? A. Prop him up if he falls B. Spread out his weight and reduce the ... keep the rope tightly stretched D. To keep the Center of gravity always above vertically above the rope (Answer)

Last Answer : D. To keep the Center of gravity always above vertically above the rope (Answer)

A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to------? A. Prop him up if he falls B. Spread out his weight and reduce the pressure on the rope C. Add extra weight to keep the rope tightly stretched D. To keep the centre of gravity always vertically above the rope (Answer)

Description : A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to------? A. Prop him up if he falls B. Spread out his weight and reduce the ... to keep the rope tightly stretched D. To keep the centre of gravity always vertically above the rope (Answer)

Last Answer : D. To keep the centre of gravity always vertically above the rope (Answer)

Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.  c. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is greater than the weight of the displaced fluid.  d. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Description : Archimedes principle states that  a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid  b. ... fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.

Last Answer : when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.