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CHEMICAL ENGINEERING

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

Question: While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the
[A].

low impact strength.

[B].

high flexibility.

[C].

better finish and surface appearance.

[D].

high plastic deformation.

Answer: Option A

Explanation:

No answer description available for this question.

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Which of the following polymers is obtained by copolymerisation of three monomers ?

Question: Which of the following polymers is obtained by copolymerisation of three monomers ?
[A].

SAN

[B].

ABS

[C].

SBR

[D].

PTFE

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following polymers is obtained by copolymerisation of three monomers ? Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Question: __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.
[A].

Beryllia

[B].

Zirconia

[C].

Alumina

[D].

Magnesia

Answer: Option C

Explanation:

No answer description available for this question.

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

Question: Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.
[A].

film

[B].

nucleate

[C].

transition

[D].

all modes of

Answer: Option A

Explanation:

No answer description available for this question.

Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

__________ is a special constituent of chlorophyll without which photosynthesis is not possible.

Question: __________ is a special constituent of chlorophyll without which photosynthesis is not possible.
[A].

Calcium

[B].

Nitrogen

[C].

Phosphorous

[D].

Hydrogen

Answer: Option B

Explanation:

No answer description available for this question.

__________ is a special constituent of chlorophyll without which photosynthesis is not possible. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics