CHEMICAL ENGINEERING Archives - Page 355 of 371 -

Branched chair polymers as compared to linear polymers have

CHEMICAL ENGINEERING, Polymer Technology / admin

Question: Branched chair polymers as compared to linear polymers have
[A].

higher melting point.

[B].

higher tensile strength.

[C].

lower density.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Branched chair polymers as compared to linear polymers have Read More »

Molarity is defined as the number of gm moles of solute per __________ of solvent.

CHEMICAL ENGINEERING, Mass Transfer / admin

Question: Molarity is defined as the number of gm moles of solute per __________ of solvent.
[A].

litre

[B].

[C].

[D].

c.c

Answer: Option A

Explanation:

No answer description available for this question.

Molarity is defined as the number of gm moles of solute per __________ of solvent. Read More »

CHEMICAL ENGINEERING, Mass Transfer

Neoprene is rendered non-inflammable, because of

CHEMICAL ENGINEERING, Polymer Technology / admin

Question: Neoprene is rendered non-inflammable, because of
[A].

its cross-linked structure.

[B].

its linear chain structure.

[C].

the presence of chlorine atoms in its monomer.

[D].

the absence of chlorine atoms in its monomer.

Answer: Option C

Explanation:

No answer description available for this question.

Neoprene is rendered non-inflammable, because of Read More »

CHEMICAL ENGINEERING, Polymer Technology

__________ cycle is the most efficient thermodynamic cycle.

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: __________ cycle is the most efficient thermodynamic cycle.
[A].

Diesel

[B].

Otto

[C].

Rankine

[D].

Carnot

Answer: Option D

Explanation:

No answer description available for this question.

__________ cycle is the most efficient thermodynamic cycle. Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Radioactive decay follows __________ order kinetics.

CHEMICAL ENGINEERING, Chemical Reaction Engineering / admin

Question: Radioactive decay follows __________ order kinetics.
[A].

first

[B].

second

[C].

third

[D].

zero.

Answer: Option A

Explanation:

No answer description available for this question.

Radioactive decay follows __________ order kinetics. Read More »

CHEMICAL ENGINEERING, Chemical Reaction Engineering

At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

CHEMICAL ENGINEERING, Mass Transfer / admin

Question: At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant
[A].

increases

[B].

decreases

[C].

remains unchanged

[D].

increases exponentially

Answer: Option B

Explanation:

No answer description available for this question.

At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Read More »

CHEMICAL ENGINEERING, Mass Transfer

Diphenylamine is added to rubber to

CHEMICAL ENGINEERING, Polymer Technology / admin

Question: Diphenylamine is added to rubber to
[A].

valcanise it.

[B].

protect it from deterioration on exposure to air.

[C].

make it non-inflammable.

[D].

make it thermosetting.

Answer: Option B

Explanation:

No answer description available for this question.

Diphenylamine is added to rubber to Read More »

CHEMICAL ENGINEERING, Polymer Technology

X-rays are

CHEMICAL ENGINEERING, Chemical Engineering Basics / admin

Question: X-rays are
[A].

positively charged.

[B].

negatively charged.

[C].

neutral.

[D].

of higher wavelength than visible light.

Answer: Option C

Explanation:

No answer description available for this question.

X-rays are Read More »

CHEMICAL ENGINEERING, Chemical Engineering Basics

Helium-mercury method is used for the measurement of the __________ of the catalyst.

CHEMICAL ENGINEERING, Chemical Reaction Engineering / admin

Question: Helium-mercury method is used for the measurement of the __________ of the catalyst.
[A].

surface area

[B].

porosity

[C].

pore volume

[D].

both (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.

Helium-mercury method is used for the measurement of the __________ of the catalyst. Read More »

CHEMICAL ENGINEERING, Chemical Reaction Engineering

Ion exchange resins are made of

CHEMICAL ENGINEERING, Polymer Technology / admin

Question: Ion exchange resins are made of
[A].

lucite

[B].

sulphonated bakelite

[C].

polystyrene

[D].

teflon

Answer: Option B

Explanation:

No answer description available for this question.

Ion exchange resins are made of Read More »

CHEMICAL ENGINEERING, Polymer Technology