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February 2019

In case of a, centrifugal pump, the ratio h1/h2 is termed as the _____________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller)?

Chemical Engineering Basics /
In case of a, centrifugal pump, the ratio h1/h2 is termed as the _____________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller)?

A. Mechanical
B. Overall
C. Volumetric
D. Impeller

In case of a, centrifugal pump, the ratio h1/h2 is termed as the _____________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller)? Read More »

Chemical Engineering Basics

Increase in temperature, in general results in the____________________?

Chemical Engineering Basics /
Increase in temperature, in general results in the____________________?

A. Decrease in the viscosities of both liquids & gases
B. Increase in the viscosities of both liquids & gases
C. Increase in the viscosity of liquids and decrease in that of gases
D. Decrease in the viscosity of liquids and increase in that of gases

Increase in temperature, in general results in the____________________? Read More »

Chemical Engineering Basics

Batch process is preferred over continuous process, when the___________________?

Chemical Engineering Basics /
Batch process is preferred over continuous process, when the___________________?

A. Product yields and quality cannot be achieved in continuous process, because of long
residence time
B. Sales demand of product is not steady
C. Same equipment cannot be used for several processes of the same nature
D. All (A), B. & (C)

Batch process is preferred over continuous process, when the___________________? Read More »

Chemical Engineering Basics

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

Chemical Engineering Basics /
Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

A. Anodising
B. Tempering
C. Carburising
D. Annealing

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ? Read More »

Chemical Engineering Basics