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CHEMICAL ENGINEERING

Free 8669+ CHEMICAL ENGINEERING MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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CHEMICAL ENGINEERING — MCQs for Pakistan government job tests

About this subject

CHEMICAL ENGINEERING Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Basics of Chemical Engineering, Chemical Process, Reaction, Process Control and Instrumentation etc.

Subcategories

Explore narrower topics under CHEMICAL ENGINEERING with their own MCQ sets.

Chemical Engineering Basics
Chemical Environmental Engineering
Chemical Heat Transfer
Chemical Process
Chemical Reaction
Fertilizer Technology
Fluid Mechanics for Chemical
Fuels and Combustion
Furnace Technology
Mass Transfer
Materials and Construction
Mechanical Operations
Nuclear Power Engineering
Petroleum Refinery Engineering
Plant-Economics
Polymer Technology
Process Control and Instrumentation
Process Equipment and Plant Design
Refractory Technology
Stoichiometry
Thermodynamics for Chemical

Practice questions

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1.Which category includes types of sedimentary rocks?

2.Which type of rock is most conducive to the formation of petroleum?

3.What does the abbreviation DLS represent?

4.What does the abbreviation RIH represent?

5.Which principle states that the heat capacity of a solid compound is roughly equal to the sum of the heat capacities of its individual elements?

6.What is the primary type of chemical compounds obtained from coal tar produced by high-temperature carbonization?

7.The presence of white vapor, similar to steam, exiting the chimney of a thermal power plant suggests that the boiler furnace is fueled by which of the following?

8.What do we call a source rock that has not yet matured enough to produce petroleum under natural conditions?

9.Which type of copper is commonly referred to as blister copper?

10.In which type of flow is the heat transfer rate typically the highest?

11.What is the primary purpose of installing baffles in heat exchangers?

12.In a butane isomerization process, 70 kmol/hr of pure iso-butane is produced. A continuous purge stream, containing 85% n-butane and 15% impurities (mole %), is removed. The feed consists of n-butane with 1% impurities (mole %). What is the flow rate of the purge stream?

13.At the boiling point, the molecules of a liquid in equilibrium with its vapor phase have, on average, the same ___________ in both phases?

14.When 100 kg of a 30% by weight aqueous solution of Na2SO4 is cooled, Na2SO4·10H2O crystals form, resulting in the solute concentration in the remaining solution decreasing to 10%. What is the mass of the crystals produced?

15.At absolute zero (0 K), what type of energy do gas molecules possess?

16.When 56 grams of calcium oxide (CaO) react with 63 grams of nitric acid (HNO3), what mass of calcium nitrate (Ca(NO3)2) is produced?

17.Atmospheric pressure is equivalent to a hydrostatic column height of approximately __________?

18.If the density of gas X is double the density of gas Y, and the molecular weight of gas Y is M, what is the molecular weight of gas X?

19.If air at 20°C and 750 mm Hg pressure has a relative humidity of 80%, what is the actual percentage humidity? Given that the vapor pressure of water at 20°C is 17.5 mm Hg.

20.The Clausius-Clapeyron equation is relevant to which of the following phase changes?

How to prepare with CHEMICAL ENGINEERING MCQs

  • Work through questions topic by topic, then revisit any you answered incorrectly.
  • Read explanations carefully—they often cover facts that repeat across PPSC, FPSC, and NTS papers.
  • Pair subject practice with past papers to see how CHEMICAL ENGINEERING appears in real exam conditions.

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