Fluid Mechanics for Chemical

Boundary layer exists in flow_________________?

Byadmin March 9, 2019August 27, 2021

Boundary layer exists in flow_________________?

A. Of real fluids
B. Over flat surfaces only
C. In pipes only
D. Of ideal fluids only

Fluid Mechanics for Chemical

Which of the following assumptions enables the Euler’s equation of motion to be integrated ?

Which of the following assumptions enables the Euler’s equation of motion to be integrated ?

A. The fluid is incompressible
B. The fluid is non-viscous
C. The continuity equation is satisfied
D. The flow is rotational and incompressible

Read More Which of the following assumptions enables the Euler’s equation of motion to be integrated ?
Fluid Mechanics for Chemical

Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?

Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?

A. 33:3
B. 50
C. 66.6
D. 88.8

Read More Efficiency of power transmission (ε) through a circular pipe is given by (ht – hf)/ht, which has a maximum value of _____________ percent?
Fluid Mechanics for Chemical

The pipe wall thickness is minimum for a pipe of given nominal size having schedule number___________________?

The pipe wall thickness is minimum for a pipe of given nominal size having schedule number___________________?

A. 160
B. 120
C. 80
D. 40

Read More The pipe wall thickness is minimum for a pipe of given nominal size having schedule number___________________?
Fluid Mechanics for Chemical

Which of the following has the minimum compressibility ?

Which of the following has the minimum compressibility ?

A. Water at room temperature
B. Air at room temperature
C. Oxygen at room temperature
D. Nitrogen at room temperature

Read More Which of the following has the minimum compressibility ?
Fluid Mechanics for Chemical

A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________________?

A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________________?

A. Δp
B. < Δp
C. > Δp
D. Δp2

Read More A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________________?
Fluid Mechanics for Chemical

Major loss in sudden contraction in pipe flow is due to ________________?

Major loss in sudden contraction in pipe flow is due to ________________?

A. Boundary friction
B. Flow contraction
C. Expansion of flow after sudden contraction
D. None of these

Read More Major loss in sudden contraction in pipe flow is due to ________________?

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