Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

CHEMICAL ENGINEERING

The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.

CHEMICAL ENGINEERING, Chemical Engineering Basics /
Question: The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.
[A].

yield

[B].

proof

[C].

ultimate

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

CHEMICAL ENGINEERING, Mass Transfer /
Question: The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.
[A].

composition

[B].

temperature

[C].

total pressure

[D].

all (a), (b) and (c)

Answer: Option B

Explanation:

No answer description available for this question.

The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Read More »

CHEMICAL ENGINEERING, Mass Transfer

In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is

CHEMICAL ENGINEERING, Polymer Technology /
Question: In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
[A].

terylene

[B].

polybutadiene

[C].

PVC

[D].

polypropylene

Answer: Option A

Explanation:

No answer description available for this question.

In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Read More »

CHEMICAL ENGINEERING, Polymer Technology

Pick out the correct statement.

CHEMICAL ENGINEERING, Mass Transfer /
Question: Pick out the correct statement.
[A].

Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non-ideal binary system by distillation.

[B].

A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn.

[C].

Solvent used in extractive distillation should be of high volatility.

[D].

Flash distillation is suitable for separating components which have very close boiling temperature.

Answer: Option A

Explanation:

No answer description available for this question.

Pick out the correct statement. Read More »

CHEMICAL ENGINEERING, Mass Transfer

Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

CHEMICAL ENGINEERING, Polymer Technology /
Question: Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
[A].

nylon-66

[B].

teflon

[C].

polyester

[D].

bakelite

Answer: Option B

Explanation:

No answer description available for this question.

Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Read More »

CHEMICAL ENGINEERING, Polymer Technology

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

CHEMICAL ENGINEERING, Chemical Engineering Basics /
Question: __________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
[A].

Mach

[B].

Reynolds

[C].

Froude

[D].

Weber

Answer: Option C

Explanation:

No answer description available for this question.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

In condensation polymerisation as compared to addition polymerisation

CHEMICAL ENGINEERING, Polymer Technology /
Question: In condensation polymerisation as compared to addition polymerisation
[A].

the monomers are unsaturated compounds.

[B].

no co-product is lost.

[C].

the monomers contain two functional groups.

[D].

generally only one monomer is involved

Answer: Option C

Explanation:

No answer description available for this question.

In condensation polymerisation as compared to addition polymerisation Read More »

CHEMICAL ENGINEERING, Polymer Technology

The importance of diffusion in a catalyst are increased by

CHEMICAL ENGINEERING, Chemical Reaction Engineering /
Question: The importance of diffusion in a catalyst are increased by
[A].

large catalyst particle size.

[B].

an active surface of the catalyst.

[C].

small pore diameter.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

The importance of diffusion in a catalyst are increased by Read More »

CHEMICAL ENGINEERING, Chemical Reaction Engineering