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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 is not associated with the functioning of a petrol engine ?

A Compression ignition system

B Spark plug

C Carburettor

D Otto cycle

Review Detailed Answer

Correct Answer: Compression ignition system

Heating of ferromagnetic materials to a temperature above Curie temperature makes it ________________________?

A Insulator for heat & electricity transmission

B Ferritic

C Behave like paramagnetic materials

D Superconductor

Review Detailed Answer

Correct Answer: Behave like paramagnetic materials

Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?

A Seamless & made of steel

B Heat treated before use

C Made by sand casting

D Welded steel cylinders

Review Detailed Answer

Correct Answer: Seamless & made of steel

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is_____________________?

A 5CaO. 3 Al2O3

B 3CaO. Al2O3

C 3CaO. SiO2

D 2CaO. SiO2

Review Detailed Answer

Correct Answer: 5CaO. 3 Al2O3

The pressure outside a bubble/droplet of liquid is ________________ the internal pressure?

A Greater than

B Less than

C Equal to

D Unpredictable; depends on the bubble size

Review Detailed Answer

Correct Answer: Less than

______________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently ?

A Collar

B Flanged

C Bell and Spigot

D Expansion

Review Detailed Answer

Correct Answer: Flanged

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

A Output & fineness

B Velocity

C Both A. & B.

D None of these

Review Detailed Answer

Correct Answer: Both A. & B.

The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be_____________________?

A 0.8

B 1

C 1.4

D 1.8

Review Detailed Answer

Correct Answer: 1

__________________ of air does not increase with increase in temperature?

A Density

B Thermal diffusivity

C Viscosity

D Thermal conductivity

Review Detailed Answer

Correct Answer: Density

‘Cryogenics’ is concerned with the generation & use of low temperature in the range of____________________?

A 0°K to 123°K

B 0°C to – 123°C

C 0°C to – 273°C

D 0°K to 273°K

Review Detailed Answer

Correct Answer: 0°K to 123°K

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the, following is not associated with the functioning of a petrol engine ?

Heating of ferromagnetic materials to a temperature above Curie temperature makes it ________________________?

Oxygen cylinders used for autogenous (cutting/welding) purposes are ___________________?

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is_____________________?

The pressure outside a bubble/droplet of liquid is ________________ the internal pressure?

______________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently ?

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be_____________________?

__________________ of air does not increase with increase in temperature?

‘Cryogenics’ is concerned with the generation & use of low temperature in the range of____________________?