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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

A Anodising

B Tempering

C Carburising

D Annealing

Review Detailed Answer

Correct Answer: Tempering

Pick out the wrong statement?

A Processing of thermosetting plastics is ideally done by injection moulding

B Processing of thermoplastics is ideally done by compression moulding

C Mass production of seamless pipes are done by electrical resistance welding (ERW)

D Stretch forming is a process of cold drawing

Review Detailed Answer

Correct Answer: Mass production of seamless pipes are done by electrical resistance welding (ERW)

Pick out the correct statement ?

A Jet engine can work, where there is no atmosphere

B Rocket engines cannot work, where there is no atmosphere

C Rocket engines carry oxygen required for the combustion in the form of oxidiser

D Jet engines also carry oxidiser

Review Detailed Answer

Correct Answer: Rocket engines carry oxygen required for the combustion in the form of oxidiser

Pick out the wrong statement ?

A The X-rays cannot be deflected by electric field unlike cathode rays

B The intensity of X-rays can be measured by ionisation current produced due to the ionisation

C The quality of X-rays can be controlled by varying the anode-cathode voltage

D Crystal structure of a material can be studied by an electron microscope

Review Detailed Answer

Correct Answer: The quality of X-rays can be controlled by varying the anode-cathode voltage

Pick out the wrong statement ?

A Geothermal energy is a non-conventional source of energy

B Mass is converted into energy in both nuclear fission & fusion reaction

C Inhalation of mercury vapour is not harmful for human beings

D Inhalation of arsenic causes cancer

Review Detailed Answer

Correct Answer: Inhalation of mercury vapour is not harmful for human beings

Pick out the wrong statement?

A Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly

B Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation

C Fatigue fracture of a material is always brittle in nature and takes place due to the existence of

D Brittle materials are generally tested in tension

Review Detailed Answer

Correct Answer: Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation

Pick out the wrong statement ?

A The equivalent stiffness of two springs (of equal stiffness ‘S’) in series is S/2 while in parallel

B For a helical spring, deflection is proportional to D3 (D = mean coil diameter) or d4 (d = wire

C Crushing load or columns is less than the buckling load

D Modulus of resilience is proportional to (stress at elastic limit)2

Review Detailed Answer

Correct Answer: Crushing load or columns is less than the buckling load

Steel produced from phosphatic iron is _______________ in nature?

A Malleable

B Ductile

C Brittle

D Tough

Review Detailed Answer

Correct Answer: Brittle

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?

A Lower cost

B Abundant availability

C Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry

D None of these

Review Detailed Answer

Correct Answer: Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

A Parallel flow with equal heat capacities

B Counter flow with equal heat capacities

C Counter flow with unequal heat capacities

D Parallel flow with unequal heat capacities

Review Detailed Answer

Correct Answer: Counter flow with equal heat capacities

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

Pick out the wrong statement?

Pick out the correct statement ?

Pick out the wrong statement ?

Pick out the wrong statement ?

Pick out the wrong statement?

Pick out the wrong statement ?

Steel produced from phosphatic iron is _______________ in nature?

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its________________?

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?