MCQsDrive | MCQsDrive

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.

Optimum reflux ratio in a continuous distillation column is determined by the__________________?

A Maximum permissible vapour velocity

B Flooding limit of the column

C Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

D None of these

Review Detailed Answer

Correct Answer: Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

In a rotary drier, the average retention time of solid is (where Z = length of the drier, metres ρ = apparent solid density, kg/m3 L = flow rate of dry solids, kg/see. m2 drier crosssection H = hold up of solid.) ?

A Z.H.ρ/L

B L/Z.H.ρ

C H.ρ/L

D Z.H/ρL

Review Detailed Answer

Correct Answer: Z.H.ρ/L

Lug support is meant for supporting _______________ vessels?

A Large horizontal cylindrical

B Tall but empty

C Small

D Thick walled tall

Review Detailed Answer

Correct Answer: Small

The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)_________________?

A 0.5 d

B 0.75 d

C d

D 2 d

Review Detailed Answer

Correct Answer: d

Poisson’s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson’s ratio for structural and pressure vessel steel may be taken as ____________________?

A 0.01

B 0.3

C 0.75

D 0.95

Review Detailed Answer

Correct Answer: 0.3

Steam is preferred to be used as a heating medium in heat exchangers, because of its_________________?

A Low cost

B High latent heat

C Non-corrosive condensate

D High film co-efficient

Review Detailed Answer

Correct Answer: High latent heat

Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin’s formula as___________________?

A d = 1.1 t

B d = 1.6 √t

C d = 1.5 t

D d = 3 √t

Review Detailed Answer

Correct Answer: d = 1.6 √t

The thermal stress in a metallic bar does not depend upon the_____________________?

A Changes in temperature

B Cross-sectional area

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Cross-sectional area

A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

A (ph – dh)/ph

B (ph – dh . dt/2)/ph

C (ph – dt)/ph

D (ph – dh)/dh

Review Detailed Answer

Correct Answer: (ph – dt)/ph

The ratio of linear stress to linear strain is termed as the ____________________?

A Modulus of elasticity

B Modulus of rigidity

C Bulk modulus

D None of these

Review Detailed Answer

Correct Answer: Modulus of elasticity

Showing 111 to 120 of 367 results

Contact Info

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Optimum reflux ratio in a continuous distillation column is determined by the__________________?

In a rotary drier, the average retention time of solid is (where Z = length of the drier, metres ρ = apparent solid density, kg/m3 L = flow rate of dry solids, kg/see. m2 drier crosssection H = hold up of solid.) ?

Lug support is meant for supporting _______________ vessels?

The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)_________________?

Poisson’s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson’s ratio for structural and pressure vessel steel may be taken as ____________________?

Steam is preferred to be used as a heating medium in heat exchangers, because of its_________________?

Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin’s formula as___________________?

The thermal stress in a metallic bar does not depend upon the_____________________?

A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

The ratio of linear stress to linear strain is termed as the ____________________?