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Questions and Answers
What should be true about the center of buoyancy and the center of gravity of an object?
What should be true about the center of buoyancy and the center of gravity of an object?
- They must be on the same horizontal line
- They must be at a 45-degree angle
- They must be at opposite ends of the object
- They must be on the same vertical line (correct)
What forms a righting couple in the context of floating objects?
What forms a righting couple in the context of floating objects?
- The center of buoyancy and the center of pressure
- The center of buoyancy and the metacenter
- The center of gravity and the metacenter
- The center of gravity and the center of buoyancy (correct)
What is the Metacentric height defined as?
What is the Metacentric height defined as?
- Distance between center of gravity and metacenter
- Distance between center of buoyancy and metacenter (correct)
- Distance between center of pressure and metacenter
- Distance between center of gravity and center of buoyancy
Where is the Metacenter located in relation to a floating body?
Where is the Metacenter located in relation to a floating body?
When a floating body is slightly displaced in a liquid, about which point does it oscillate?
When a floating body is slightly displaced in a liquid, about which point does it oscillate?
How is the Metacenter defined when a body floating in a liquid is slightly displaced?
How is the Metacenter defined when a body floating in a liquid is slightly displaced?
What is the correct definition of buoyant force?
What is the correct definition of buoyant force?
Which principle states that the resultant upward pressure of a fluid on a floating body equals the weight of the fluid displaced?
Which principle states that the resultant upward pressure of a fluid on a floating body equals the weight of the fluid displaced?
In buoyancy, what is the principal cause of action for a body submerged in fluid?
In buoyancy, what is the principal cause of action for a body submerged in fluid?
What is the center of gravity of the volume of liquid displaced by an immersed body called?
What is the center of gravity of the volume of liquid displaced by an immersed body called?
Which term refers to the resultant upward pressure of a fluid on an immersed body?
Which term refers to the resultant upward pressure of a fluid on an immersed body?
What is NOT a reason for the buoyant force acting on a submerged body?
What is NOT a reason for the buoyant force acting on a submerged body?
Where is the center of buoyancy located in relation to the center of gravity of the displaced liquid?
Where is the center of buoyancy located in relation to the center of gravity of the displaced liquid?
What force lifts a body totally or partially immersed in a fluid, according to the principle of buoyancy?
What force lifts a body totally or partially immersed in a fluid, according to the principle of buoyancy?
How can a relatively denser object be made to float on a less dense fluid?
How can a relatively denser object be made to float on a less dense fluid?
What conditions are required for the stable equilibrium of a floating body?
What conditions are required for the stable equilibrium of a floating body?
According to the principle of buoyancy, what force lifts a body totally or partially immersed in a fluid?
According to the principle of buoyancy, what force lifts a body totally or partially immersed in a fluid?
How can a relatively denser object be made to float on a less dense fluid?
How can a relatively denser object be made to float on a less dense fluid?
What makes the minor losses in pipe flow?
What makes the minor losses in pipe flow?
In series-pipe problems, what is true about head loss?
In series-pipe problems, what is true about head loss?
What happens to the discharge through each pipe in series-pipe problems?
What happens to the discharge through each pipe in series-pipe problems?
Which statement is true for flow through parallel pipes?
Which statement is true for flow through parallel pipes?
What is unique about the velocity of flow in parallel pipes?
What is unique about the velocity of flow in parallel pipes?
In parallel pipes, what happens to the loss of head in each pipe?
In parallel pipes, what happens to the loss of head in each pipe?
As depth increases, what happens to the intensity of pressure on an immersed surface?
As depth increases, what happens to the intensity of pressure on an immersed surface?
What force causes the free surface of a liquid to contract to the smallest possible area?
What force causes the free surface of a liquid to contract to the smallest possible area?
How does the hydraulic gradient line position relate to the centre line of a pipe?
How does the hydraulic gradient line position relate to the centre line of a pipe?
Which force is responsible for the free surface of a liquid contracting like a sheet?
Which force is responsible for the free surface of a liquid contracting like a sheet?
What occurs to the intensity of the pressure on an immersed surface as the depth decreases?
What occurs to the intensity of the pressure on an immersed surface as the depth decreases?
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