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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.

Tumbling is the process of improving the ________________ of the materials/parts ?

A Surface finish

B Fatigue limit

C Creep limit

D Surface cleanliness

Review Detailed Answer

Correct Answer: Surface cleanliness

Which of the following is not categorised as the ore agglomeration process ?

A Nodulising

B Pelletising

C Balling

D Briquetting

Review Detailed Answer

Correct Answer: Balling

In Newton’s law of viscosity, which states that the shear stress is proportional to the _____________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?

A V2

B 1/V2

C 1/Vg

D Vg

Review Detailed Answer

Correct Answer: Vg

Sub zero treatment of steel is done to____________________?

A Suppress martensite transformation

B Enhance its working performance in sub zero atmosphere

C Reduce the retained austenite in hardened steel

D Induce temper brittleness after its hardening

Review Detailed Answer

Correct Answer: Reduce the retained austenite in hardened steel

The most detrimental impurity in high pressure boiler feed water is ___________________?

A Suspended salt

B Dissolved salt

C Silica

D Turbidity

Review Detailed Answer

Correct Answer: Silica

Biological shield in a nuclear reactor is generally provided to protect against the__________________?

A α-rays

B β-rays

C Gamma rays & neutrons

D Electrons

Review Detailed Answer

Correct Answer: Gamma rays & neutrons

The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________________?

A y2 = 2k1t + k2

B y = k1 ln (k2t + k3)

C y = k1 t + k2

D y = k1t3 + k2

Review Detailed Answer

Correct Answer: y2 = 2k1t + k2

Plastics as a material of construction suffer from the drawback of low_________________?

A Machinability

B Density

C Strength

D Plastic deformation

Review Detailed Answer

Correct Answer: Strength

A reduction in thermal resistance during heat transfer does not occur in the___________________?

A Convection heat transfer by stirring the fluid and cleaning the heating surface

B Conduction heat transfer by reduction in the material thickness and increase in the thermal

C Radiation heat transfer by increasing the temperature and reducing the emissivity

D None of these

Review Detailed Answer

Correct Answer: Radiation heat transfer by increasing the temperature and reducing the emissivity

Colour comparator is used to measure the___________________?

A pH value

B Electrode potential

C Colour intensity

D None of these

Review Detailed Answer

Correct Answer: pH value

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Tumbling is the process of improving the ________________ of the materials/parts ?

Which of the following is not categorised as the ore agglomeration process ?

In Newton’s law of viscosity, which states that the shear stress is proportional to the _____________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?

Sub zero treatment of steel is done to____________________?

The most detrimental impurity in high pressure boiler feed water is ___________________?

Biological shield in a nuclear reactor is generally provided to protect against the__________________?

The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________________?

Plastics as a material of construction suffer from the drawback of low_________________?

A reduction in thermal resistance during heat transfer does not occur in the___________________?

Colour comparator is used to measure the___________________?