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CHEMICAL ENGINEERING

For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by
[A].

(ε1 + ε2)/ε1.ε2

[B].

ε1.ε2/(ε1 + ε2 – ε1.ε2)

[C].

ε1.ε2

[D].

ε1 + ε2

Answer: Option B

Explanation:

No answer description available for this question.

For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Enzymes belong to the category of

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Enzymes belong to the category of
[A].

proteins

[B].

carbohydrates

[C].

vitamins

[D].

fats

Answer: Option A

Explanation:

No answer description available for this question.

Enzymes belong to the category of Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will

CHEMICAL ENGINEERING, Chemical Reaction Engineering / admin

Question: In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will
[A].

remain the same

[B].

be halved

[C].

also be. doubled

[D].

become one fourth

Answer: Option A

Explanation:

No answer description available for this question.

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will Read More »

CHEMICAL ENGINEERING, Chemical Reaction Engineering

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its

CHEMICAL ENGINEERING, Polymer Technology / admin

Question: Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
[A].

elasticity

[B].

strength

[C].

plasticity

[D].

weathering characteristics

Answer: Option D

Explanation:

No answer description available for this question.

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Read More »

CHEMICAL ENGINEERING, Polymer Technology

Oxyacetylene reducing flame is used while carrying out welding on

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Oxyacetylene reducing flame is used while carrying out welding on
[A].

alloy steel

[B].

grey cast iron

[C].

mild steel

[D].

high carbon steel

Answer: Option C

Explanation:

No answer description available for this question.

Oxyacetylene reducing flame is used while carrying out welding on Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Magnesium is present in

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Magnesium is present in
[A].

haemoglobin

[B].

chlorophyll

[C].

hypo solution

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Magnesium is present in Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Fluorine is not a constituent of

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

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.

Fluorine is not a constituent of Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

A material being tested for endurance strength is subjected to the __________ load.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: A material being tested for endurance strength is subjected to the __________ load.
[A].

impact

[B].

completely reversed

[C].

dynamic

[D].

static & dynamic

Answer: Option B

Explanation:

No answer description available for this question.

A material being tested for endurance strength is subjected to the __________ load. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Chlorine acts as a bleaching agent only in the presence of

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Chlorine acts as a bleaching agent only in the presence of
[A].

dry air

[B].

pure oxygen

[C].

moisture

[D].

sunlight

Answer: Option C

Explanation:

No answer description available for this question.

Chlorine acts as a bleaching agent only in the presence of Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Ammonia gas can be dried by

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: Ammonia gas can be dried by
[A].

PCl5

[B].

quick lime

[C].

CaCl2

[D].

concentrated H2SO4

Answer: Option B

Explanation:

No answer description available for this question.

Ammonia gas can be dried by Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics