Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 274 of 557.

Chemical Engineering MCQs

Showing page 274 of 557 · 8,342 total solved questions available.

Study Topic

⚡Start Quiz Mode to Practice Like the Real Exam!

An Azeotropic solution of two liquids has boiling point lower than either of them, when it________?

A.Is unsaturated

B.Is saturated

C.Shows positive deviation from Raoult’s law

D.Shows negative deviation from Raoult’s law

Explanation: The correct answer is Shows positive deviation from Raoult’s law.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Paraffin base crude oil as compared to asphalt base crude gives________?

A.Higher octane number gasoline

B.Lower viscosity index lube oil

C.Poorer yield of lube oil

D.Higher yield of straight run gasoline

Explanation: The correct answer is Higher yield of straight run gasoline.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Sour crude means the ________ bearing crude?

A.Asphalt

B.Sulphur compounds

C.Nitrogen compounds

D.Wax

Explanation: The correct answer is Sulphur compounds.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Pick out the wrong statement?

A.A fluid in equilibrium is not free from shear stress

B.Momentum transfer in laminar flow results from velocity gradient

C.The viscosity of a non-Newtonian fluid is a function of temperature only

D.Both B. and C.

Explanation: The correct answer is Both B. and C..

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus- Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of________?

A.6.1

B.1

C.1.74

D.37

Explanation: The correct answer is 6.1.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Essential oils are usually obtained using________?

A.Steam distillation

B.Extractive distillation

C.Leaching

D.Solvent extraction

Explanation: The correct answer is Leaching.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Pick out the wrong statement?

A.Crane hooks are normally made of wrought iron

B.Cold working of a metal decreases its fatigue strength

C.The temperature at which new grains are formed in a metal is known as the recrystallisation

D.The toughness of a material decreases, when it is heated

Explanation: The correct answer is Cold working of a metal decreases its fatigue strength.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Pick out the wrong statement?

A.Gamma rays are high energy electrons

B.α-particle is identical with a doubly charged helium ion

C.The ratio of the density of the ‘nucleus’ to that of the ‘atom’ is 1012

D.The mass of deuterium atom is half that of helium atom

Explanation: The correct answer is Gamma rays are high energy electrons.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Which of the following is generally not used as eord for synthetic rubber tyre casing?

A.Dacron

B.Cellulose

C.None of these

D.Nylon

Explanation: The correct answer is Cellulose.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.)?

A.d1.5

B.d2

C.√d

Explanation: The correct answer is d2.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Steady non-uniform flow is exemplified by flow through a/an________?

A.Long pipe at decreasing rate

B.Expanding tube at constant rate

C.Long pipe at constant rate

D.Expanding tube at increasing rate

Explanation: The correct answer is Expanding tube at constant rate.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst?

A.H2

B.CO2

C.N2

D.He

Explanation: The correct answer is N2.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Which of the following is not produced on commercial scale from sea water?

A.Magnesium compounds

B.Potassium compounds

C.Sodium sulphate

D.Bromine

Explanation: The correct answer is Sodium sulphate.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Flash distillation is suitable for the separation of components________?

A.Which form minimum boiling azeotrope

B.Which form maximum boiling azeotrope

C.Having very wide boiling points

D.Having very close boiling points

Explanation: The correct answer is Having very wide boiling points.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Amount of energy that a material can absorb before its fracture is a measure of its ________?

A.Malleability

B.Ductility

C.Resilience

D.Toughness

Explanation: The correct answer is Toughness.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Continue studying

Practice quiz Past papers Civil Engineering MCQs Electrical Engineering MCQs Mechanical Engineering MCQs Software Engineering MCQs