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February 2019

The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system_________________?

Chemical Engineering Basics /
The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system_________________?

A. Is as light as possible
B. Has very high C.O.P.
C. Employs minimum quantity of refrigerant
D. Consumer minimum horse power

The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system_________________? Read More »

Chemical Engineering Basics

Multistage compression of air as compared to single stage compression offers the advantage of______________?

Chemical Engineering Basics /
Multistage compression of air as compared to single stage compression offers the advantage of______________?

A. Power saving per unit weight of air delivered
B. Moisture elimination in the inter-stage cooler
C. Increased volumetric efficiency
D. All A , B. & C.

Multistage compression of air as compared to single stage compression offers the advantage of______________? Read More »

Chemical Engineering Basics

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?

Chemical Engineering Basics /
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?

A. E = 2G (1 + v)
B. E = G (1 + v)
C. E = G (1 + v)/2
D. E = 2G (1 + 2v)

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ? Read More »

Chemical Engineering Basics