Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 93 of 557.

Chemical Engineering MCQs

Showing page 93 of 557 · 8,342 total solved questions available.

Study Topic

⚡Start Quiz Mode to Practice Like the Real Exam!

Hydraulic radius is the ratio of ________?

A.Flow area to wetted perimeter

B.Flow area to square of wetted perimeter

C.Wetted perimeter to flow area

D.Square root of flow area to wetted perimeter

Explanation: The correct answer is Flow area to wetted perimeter.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Energy of the sun arises mainly from ________ reactions?

A.Fusion

B.Combustion

C.None of these

D.Fission

Explanation: The correct answer is Fusion.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Nuclear fuel complex, Hyderabad is engaged in the job of ________?

A.Manufacture of nuclear fuel elements/assemblies

B.Treatment of spent fuel

C.Processing of uranium ore

D.None of these

Explanation: The correct answer is Manufacture of nuclear fuel elements/assemblies.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

A mixture of chlorine & sodium bromide acts as a/an________?

A.Insecticides

B.Hydrogenation catalyst

C.Analgesic drug

D.Fire retardant

Explanation: The correct answer is Fire retardant.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The rate of an autocatalytic reaction as shown in the bellow figure, is given by – rA = k. CA. CB. In this case, the________?

A.Both B & C

B.Rate of disappearance of reactant A is maximum, where CA = CB

C.Plot of – rA Vs CA is a hyperbola

D.Plot of – rA Vs CA is a straight line with slope k

Explanation: The correct answer is Both B & C.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature)?

A.(ΔT)3

B.(ΔT)4

C.√(ΔT)

D.(ΔT)2

Explanation: The correct answer is (ΔT)3.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Pick out the correct statement?

A.A lower temperature favours the reaction of lower activation energy

B.The dispersion number for a reactor/vessel is uL/D

C.Pore volume and porosity of a catalyst is measured by Brunauer-Emmett-Teller (BET)

D.The rate controlling step in a reaction involving many steps is the fastest step

Explanation: The correct answer is A lower temperature favours the reaction of lower activation energy.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Bomb calorimeter is used for the determination of calorific value of the ________ fuels?

A.Gaseous

B.Solid

C.Both B. and C.

D.Liquid

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

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

For flow of fluids through packed bed, the superficial velocity is________?

A.Same as the average velocity through channels

B.Dependent on the pressure drop across the bed

C.More than the average velocity through channels

D.Less than the average velocity through channels

Explanation: The correct answer is Less than the average velocity through channels.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

What is the selectivity index, if the grade of tailings & concentrate is the same?

A.0.5

B.1

C.0

Explanation: The correct answer is 1.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Orsat apparatus is meant for ________?

A.Finding out combustion efficiency

B.Gravimetric analysis of flue gas

C.None of these

D.Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride

Explanation: The correct answer is None of these.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Phase margin is equal to________?

A.Phase lag + 90°

B.180° – phase lag

C.Phase lag – 180°

Explanation: The correct answer is 180° – phase lag.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Pumping of a corrosive liquid is generally preferred to be done by a ________ pump, as it can be made of a variety of materials including plastics?

A.Gear

B.Piston

C.Positive displacement

D.Sump

Explanation: The correct answer is Gear.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Reboiler is considered as one theoretical plate, because________?

A.Vapour is recycled to the column

B.Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

C.None of these

D.Reboiler itself contains one plate

Explanation: The correct answer is Of the assumption that vapour and liquid leaving the reboiler are in equilibrium.

Submitted by: Academy of Pakistan

Read More Details about this Mcq →

Refractory castables are used for________?

A.All A., B. and C.

B.Patch work

C.Producing monolithic linings

D.Minimising the number of joints in the structure

Explanation: The correct answer is All A., B. and C..

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