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Fluid-mechanics Questions Set 31:

Quiz Mode

The instrument used to measuring air velocity is:

anemometer

Venturimeter

Orifice meter

Nozzle meter

Solution:

What is the primary cause of capillary action?

Relative motion

Internal friction

Viscous force

Surface tension

Solution:

The velocity of a point in a flow is:

Along the streamline

Along the pathline

Tangent to the streamline

Tangent to the pathline

Solution:

What instrument is used for the automatic control scheme during fluid flow?

Pilot Static Tube

Rotary Piston

Pulley plates

Rotometer

Solution:

Which of the following methods is used to measure the flow rate of a liquid?

Dead weight method

Conveyor method

Coriolis method

Ionization method

Solution:

Which of the following terms are used to calculate the Reynolds number in general?

Viscous force of the fluid

Pressure force of the fluid

Temperature of the fluid

Fluid flow direction

Solution:

A vacuum gauge mounted on a drum reads 0.45 mmHg. Calculate the absolute pressure in the drum in kPa, given the atmospheric pressure is 101.3 kPa.

41.26 kPa

38.81 kPa

45.63 kPa

39.12 kPa

Solution:

A pipe carries an oil with specific gravity 0.82 and pressure of 25 kPa. The pipe is 4 m above the datum level. Calculate the piezometric head.

5.6 m of oil

6.5 m of oil

7.1 m of oil

8.2 m of oil

Solution:

Which of the following machines are susceptible to cavitation?

Impulse turbines and centrifugal pumps

Reaction turbines and centrifugal pumps

Reaction turbines and reciprocating pumps

Impulse turbines and reciprocating pumps

Solution:

Various forces acting on fluids in motion are gravity force, pressure force, viscosity force, turbulence force, surface tension, and compressibility force.

Which of the following statements about these forces is true?

None of the above

Euler equation considers the gravity, pressure and surface tension only

Navier-Stokes equation considers gravity, pressure and viscous forces

Reynolds equation for motion considers gravity, pressure, viscous, and surface tension only

Fluid-mechanics Questions Set 31:

The instrument used to measuring air velocity is:

Solution:

What is the primary cause of capillary action?

Solution:

The velocity of a point in a flow is:

Solution:

What instrument is used for the automatic control scheme during fluid flow?

Solution:

Which of the following methods is used to measure the flow rate of a liquid?

Solution:

Which of the following terms are used to calculate the Reynolds number in general?

Solution:

A vacuum gauge mounted on a drum reads 0.45 mmHg. Calculate the absolute pressure in the drum in kPa, given the atmospheric pressure is 101.3 kPa.

Solution:

A pipe carries an oil with specific gravity 0.82 and pressure of 25 kPa. The pipe is 4 m above the datum level. Calculate the piezometric head.

Solution:

Which of the following machines are susceptible to cavitation?

Solution:

Various forces acting on fluids in motion are gravity force, pressure force, viscosity force, turbulence force, surface tension, and compressibility force.

Which of the following statements about these forces is true?

Solution:

Related Question Sets:

Related Topics:

Fluid-mechanics Questions Set 31:

The instrument used to measuring air velocity is:

Solution:

What is the primary cause of capillary action?

Solution:

The velocity of a point in a flow is:

Solution:

What instrument is used for the automatic control scheme during fluid flow?

Solution:

Which of the following methods is used to measure the flow rate of a liquid?

Solution:

Which of the following terms are used to calculate the Reynolds number in general?

Solution:

A vacuum gauge mounted on a drum reads 0.45 mmHg. Calculate the absolute pressure in the drum in kPa, given the atmospheric pressure is 101.3 kPa.

Solution:

A pipe carries an oil with specific gravity 0.82 and pressure of 25 kPa. The pipe is 4 m above the datum level. Calculate the piezometric head.

Solution:

Which of the following machines are susceptible to cavitation?

Solution:

Various forces acting on fluids in motion are gravity force, pressure force, viscosity force, turbulence force, surface tension, and compressibility force. Which of the following statements about these forces is true?

Solution:

Related Question Sets:

Related Topics:

Various forces acting on fluids in motion are gravity force, pressure force, viscosity force, turbulence force, surface tension, and compressibility force.

Which of the following statements about these forces is true?