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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 materials does not form adherent oxide film on surface ?

A Copper

B Nickel

C Aluminium

D Gold & silver

Review Detailed Answer

Correct Answer: Gold & silver

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be_______________?

A ΔQ = 0, ΔS=0

B ΔQ = 0, ΔS = +ve

C ΔQ = 0, ΔS = -ve

D ΔQ = +ve, ΔS= +ve

Review Detailed Answer

Correct Answer: ΔQ = 0, ΔS = +ve

The most suitable material for die casting is __________________?

A Iron

B Copper

C Steel

D Nickel

Review Detailed Answer

Correct Answer: Copper

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) ?

A 2300 J

B 4600 J

C 230 J

D 2.3 × 106 J

Review Detailed Answer

Correct Answer: 2300 J

______________ wire is never used for making the heating element ?

A Nichrome

B Kanthal

C Invar

D None of these

Review Detailed Answer

Correct Answer: Invar

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?

A Air

B Water

C Mercury

D Alcohol

Review Detailed Answer

Correct Answer: Water

Which of the following is resistant to the action of both heat & chemicals ?

A Borosilicate glass

B Silica glass

C Soda lime glass

D None of these

Review Detailed Answer

Correct Answer: Borosilicate glass

Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be_________________?

A Wet

B Saturated

C Superheated

D None of these

Review Detailed Answer

Correct Answer: Superheated

For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?

A Reynolds number (based on sphere diameter) should be < 1

B Flow around the sphere should be in turbulent region

C Sphere must be metallic

D Fluid density should be constant

Review Detailed Answer

Correct Answer: Sphere must be metallic

An abrupt and sudden fall in the reading of barometer is an indication of the____________________?

A Storm

B Rain

C Clear weather

D Cold wave

Review Detailed Answer

Correct Answer: Storm

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following materials does not form adherent oxide film on surface ?

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be_______________?

The most suitable material for die casting is __________________?

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) ?

______________ wire is never used for making the heating element ?

The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?

Which of the following is resistant to the action of both heat & chemicals ?

Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be_________________?

For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?

An abrupt and sudden fall in the reading of barometer is an indication of the____________________?