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Chemical Engineering / Q&A

Pick out the wrong statement pertaining to fluid flow ?

Chemical Engineering / Q&A, MCQs / Q&A /
Pick out the wrong statement pertaining to fluid flow ?

A. The ratio of average velocity to the maximum velocity for turbulent flow of Newtonian fluid
in circular pipes is 0.5 (Correct)
B. The Newtonian fluid velocity in a circular pipe flow is maximum at the centre of the pipe
C. Navier-Stokes equation is applicable to the analysis of viscous flows
D. Hagen-Poiseuille equation is applicable to the laminar flow of Newtonian fluids

 

Pick out the wrong statement pertaining to fluid flow ? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?

Chemical Engineering / Q&A, MCQs / Q&A /
The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?

A. Polar
B. Non-polar
C. Both A. & B. (Correct)
D. Neither A. nor B.

 

The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?

Chemical Engineering / Q&A, MCQs / Q&A /
Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?

A. Reynold stresses
B. Shear forces
C. Both A. & B. (Correct)
D. Neither A. nor B.

 

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A