Question

# For the Control Volume approach, Select one: a. we need to know the fluid properties (such...

For the Control Volume approach,

Select one:

a. we need to know the fluid properties (such as velocity, pressure, density) at every point inside the Control Volume

b. we need to know the fluid properties (such as velocity, pressure, density) along the Control Surface

c. we need to know the fluid properties (such as velocity, pressure, density) at every point inside the Control Volume as well as along the Control Surface

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

Select one:

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

A pressure of 30 m of head of water (Assume ρwater = 1,000 kg/m3 and g = 9.81 m/s2) is equal to:

Select one:

a. 25 kN/m2

b. 245 kN/m2

c. 2500 kN/m2

d. 2.5kN/m2

e. 294 kN/m2