Prepare for job tests, interviews, and competitive exams with comprehensive Chemical Engineering MCQs covering fundamentals, chemical processes, reactions, process control, instrumentation, and other core concepts for students and fresh graduates.

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.

For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter) ?

A 1/D

B 1/D2

C 1/D5

D D2

Review Detailed Answer

Correct Answer: 1/D

A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be__________________?

A 100

B 200

C 320

D 160

Review Detailed Answer

Correct Answer: 200

Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?

A Velocity and relative roughness

B Head loss and velocity

C Reynold number, relative roughness and head loss

D Reynolds number and friction factor

Review Detailed Answer

Correct Answer: Reynold number, relative roughness and head loss

The pressure head of a flow meter remains constant for_________________?

A Venturimeter

B Orificemeter

C Rotameter

D Pitot tube

Review Detailed Answer

Correct Answer: Rotameter

Pick out the Hagen-Poiseuille‟s equation ?

A Δp/ρ = 4f (L/D) (V2/2gc)

B Δp = 32 (μLV/gc. D2)

C Δp/L = 150 [(1 – ε)/ε3]. (μ.V0

D Δp/L = 1.75 [(1 – ε)/ε3]. (ρV0

Review Detailed Answer

Correct Answer: Δp = 32 (μLV/gc. D2)

A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is__________________?

A 20 m/sec

B 10 m/sec

C 5 √2 m/sec

D 5 m/sec

Review Detailed Answer

Correct Answer: 10 m/sec

Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?

A Cd = Cc/Cv

B Cd = Cc.Cv

C Cd = Cv/ Cc

D None of these

Review Detailed Answer

Correct Answer: Cd = Cc.Cv

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

A Newtonian

B Viscous

C Dilatant

D Non-viscous

Review Detailed Answer

Correct Answer: Dilatant

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?

A Manometric

B Mechanical

C Volumetric

D Overall

Review Detailed Answer

Correct Answer: Manometric

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?

A U-tube water

B U-tube mercury

C Inclined tube mercury

D Inclined tube water

Review Detailed Answer

Correct Answer: Inclined tube water

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter) ?

A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be__________________?

Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?

The pressure head of a flow meter remains constant for_________________?

Pick out the Hagen-Poiseuille‟s equation ?

A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is__________________?

Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?