☾★Academy of PakistanTest & Learning

804Active Users

☾★Academy of PakistanTest & Learning

Home Test Study & Learn Past Papers Internships Pakistan Jobs Scholarships PDFs About Us

804Active Users

Home Test Study & Learn Past Papers Internships Pakistan Jobs Scholarships Submit MCQs Profile

Chemical Engineering MCQs with Explanations

Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.

120 of 8,342MCQs reviewed

Study Mode — explanations are always visiblePrefer a timed quiz? Start test

121Chemical EngineeringMedium

Make up water is required in a cooling tower to replace the water lost by________?

AAll A., B. and C.

BBlowdown and leakage

CEvaporation

Drift

Correct answer

A. All A., B. and C.

Explanation

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

122Chemical EngineeringMedium

Ceramic recuperators are generally made of________?

AFireclay bricks

BCalcium carbide

CHigh alumina bricks

DSilicon carbide

Correct answer

D. Silicon carbide

Explanation

The correct answer is Silicon carbide.

123Chemical EngineeringMedium

Radioactive decay is a ________ change?

ANuclear

BNone of these

CChemical

DPhysical

Correct answer

A. Nuclear

Explanation

The correct answer is Nuclear.

124Chemical EngineeringMedium

Which one contains maximum percentage of Al2O3?

AFirebrick

BMagnesite

CSillimanite

DAluminous firebrick

Correct answer

C. Sillimanite

Explanation

The correct answer is Sillimanite.

125Chemical EngineeringMedium

The generic chemical name for the class of polymers which are commercially known as nylons is________?

APolyolefins

BPolyacrylate

CPolyurethane

DPolyamide

Correct answer

D. Polyamide

Explanation

The correct answer is Polyamide.

126Chemical EngineeringMedium

Glycerine is a by-product of the ________ industry?

ASoap

BDetergent

CPaint

DOil hydrogenation

Correct answer

A. Soap

Explanation

The correct answer is Soap.

127Chemical EngineeringMedium

Fuel used in B.F. stove is________?

AFurnace oil

BBlast furnace gas/mixed gas

CCoke oven gas

DPulverised coal

Correct answer

B. Blast furnace gas/mixed gas

Explanation

The correct answer is Blast furnace gas/mixed gas.

128Chemical EngineeringMedium

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will________?

ADecrease

BIncrease or decrease; depends on the particular reaction

CRemain unaltered

DIncrease

Correct answer

C. Remain unaltered

Explanation

The correct answer is Remain unaltered.

129Chemical EngineeringMedium

Transformer cores are normally made from ________?

AAl-Ni-Co alloy

BSoft ferrites

CGrain oriented Fe-Si alloy

DHigh purity iron

Correct answer

C. Grain oriented Fe-Si alloy

Explanation

The correct answer is Grain oriented Fe-Si alloy.

130Chemical EngineeringMedium

Calcareous & argillaceous materials are used in the manufacture of ________?

ANone of these

BLead

CCarbon disulphide

DCement

Correct answer

D. Cement

Explanation

The correct answer is Cement.

PreviousNext

Study this subject

Browse all 8,342 questions in groups of ten. Each question also has a permanent page that Google and students can open directly.

Quick facts

Questions8,342

Study pages835

Current page13

How to learn

Read the question before viewing choices.
Compare the correct answer with alternatives.
Use the quiz after completing a study page.