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Fluid-mechanics Questions Set 64:

Quiz Mode

One horsepower is equivalent to:

7,460 watts

746 watts

0.746 watts

746 kilowatts

Solution:

What is the Mach number range for supersonic flow?

4 and 6

2.5 and 4

1 and 2.5

1 and 6

Solution:

A stone weighs 450 N in air and 200 N in water. Calculate the volume of the stone.

0.05 m³

0.025 m³

0.075 m³

0.028 m³

Solution:

The equation of continuity is based on which principle?

Conservation of Mass

Conservation of Energy

Momentum

None of the above

Solution:

The value of the bulk modulus of a fluid is required to determine

Reynold’s number

Euler’s number

Froude’s number

Mach number

Solution:

The continuity equation is based on the principle of what?

incompressible

conservation of mass

constant density

zero viscosity

Solution:

The velocity becomes higher and higher as we move away from the boundary layer due to which of the following?

Temperature

Retardation

Mass

Eddies

Solution:

If a fluid has a velocity of 500 m/s and a Mach number of 1.48 in a given medium, determine the speed of sound in that medium.

740 m/s

740 km/s

337.20 m/s

337.20 km/s

Solution:

For a stationary fluid, which of the following holds true for the pressures in the x, z, and normal directions?

px = pz = pn

px = pz, pn = 0

pn = pz, px = 0

px + pz = pn

Solution:

A body floating in a liquid is said to be in neutral equilibrium if its metacenter

coincides with its center of gravity

lies above its center of gravity

lies below its center of gravity

lies below the center of buoyancy and center of gravity

Fluid-mechanics Questions Set 64:

One horsepower is equivalent to:

Solution:

What is the Mach number range for supersonic flow?

Solution:

A stone weighs 450 N in air and 200 N in water. Calculate the volume of the stone.

Solution:

The equation of continuity is based on which principle?

Solution:

The value of the bulk modulus of a fluid is required to determine

Solution:

The continuity equation is based on the principle of what?

Solution:

The velocity becomes higher and higher as we move away from the boundary layer due to which of the following?

Solution:

If a fluid has a velocity of 500 m/s and a Mach number of 1.48 in a given medium, determine the speed of sound in that medium.

Solution:

For a stationary fluid, which of the following holds true for the pressures in the x, z, and normal directions?

Solution:

A body floating in a liquid is said to be in neutral equilibrium if its metacenter

Solution:

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