Chemical Engineering Basics

Liquid nitrogen containers can be made from ___________________?

Byadmin February 7, 2019August 20, 2021

Liquid nitrogen containers can be made from ___________________?

A. Ferritic stainless steel
B. HSLA steel
C. Titanium
D. Austenitic stainless steel

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) ?

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)

Read More 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 | Chemical Engineering Basics

A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.

Question: A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.
[A].

370
[B].
340
[C].
320
[D].
300

Answer: Option A

Explanation:

No answer description available for this question.

Read More A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

Question: Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is
[A].

chromium
[B].
nickel
[C].
zinc
[D].
aluminium

Answer: Option B

Explanation:

No answer description available for this question.

Read More Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is
CHEMICAL ENGINEERING | Chemical Engineering Basics

A simple closed grinding circuit may consist of

Question: A simple closed grinding circuit may consist of
[A].

a ball mill and a classifier.
[B].
a rod mill and a hydrocyclone.
[C].
a jaw crusher and a hydrocyclone.
[D].
a ball mill and a froth floatation cell.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A simple closed grinding circuit may consist of
CHEMICAL ENGINEERING | Chemical Engineering Basics

Out of the following, the materials having maximum magnetic permeability is

Question: Out of the following, the materials having maximum magnetic permeability is
[A].

silicon steel (Si = 4%)
[B].
cast iron
[C].
wrought iron
[D].
mild steel

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, the materials having maximum magnetic permeability is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Fluorine is not a constituent of

Question: Fluorine is not a constituent of
[A].

freon
[B].
chloroform
[C].
teflon
[D].
fluorocarbons

Answer: Option B

Explanation:

No answer description available for this question.

Read More Fluorine is not a constituent of

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