chemical engineering question and answer

MCQs are considered among the most effective methods for assessing a student’s understanding of a concept. The team of subject experts has meticulously crafted these Chemical Engineering Questions and Answers MCQs, aligning them with current trends and industry practices. These MCQs in Chemical Engineering, along with detailed answers, comprehensively cover all facets of the discipline. Moreover, it will be beneficial for competitive examinations and tests (PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test) as well. The Chemical Engineering Questions and Answers encompass a wide range of topics, including Chemical Engineering Basics, Heat Transfer, Mass Transfer, Fertiliser Technology, Stoichiometry, Chemical Engineering Thermodynamics, Fuels and Combustion, Process Equipment and Plant Design, Nuclear Power Engineering, Refractory Technology, Polymer Technology, Fluid Mechanics, Mechanical Operations, Petroleum Refinery Engineering, Chemical Process, Process Control and Instrumentation, Chemical Reaction Engineering, Materials and Construction, Chemical Engineering Plant Economics, Furnace Technology, and Environmental Engineering. Additionally, explore Electrical Engineering Questions and Answers on the platform.

1. At the point of boundary layer separation in fluid flow, the _____________________?

A. Shear stress is maximum
B. Velocity gradient is flat
C. Density variation is maximum
D. Shear stress is zero

2. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is__________________?

A. More
B. Less
C. Equal
D. Much more

3. ________________ property of steel increases by addition of large amount of silicon in it?

A. Mechanical
B. Machining
C. Magnetic
D. Refractory

4. When the wavelength of incident X-rays increases, the angle of diffraction__________________?

A. Decreases
B. Increases
C. Remain constant
D. Shows no systematic variation

5. Liquid nitrogen containers can be made from ___________________?

A. Ferritic stainless steel
B. HSLA steel
C. Titanium
D. Austenitic stainless steel

6. To counteract the bad effects of strain hardening on a cold formed part, it must be ______________________?

A. Tempered
B. Normalised
C. Annealed
D. Hardened

7. The thermodynamic law, PVy = constant, is not followed by the __________________?

A. Free expansion of an ideal gas
B. Adiabatic expansion of steam in turbine
C. Adiabatic compression of air
D. Ideal compression of air

8. Material of construction of foundry crucible is _________________?

A. Lead
B. Stainless steel
C. Graphite
D. Cast iron

9. _______________ test determines the yield strength, Young’s modulus of elasticity, percentage reduction in area & percentage elongation of a material ?

A. Tensile
B. Fatigue
C. Impact
D. None of these

10. Bad odour in sanitary latrines is reduced by periodically sprinkling_____________________?

A. Bleaching powder
B. Lime powder
C. Aluminium sulphate
D. None of these

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