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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.

A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m3and viscosity of 3 × 10‒5kg/m.s flowing at 3 m/s will be________________?

A 8400 Pa/m

B 12600 Pa/m

C 18900 Pa/m

D 16800 Pa/m

Review Detailed Answer

Correct Answer: 12600 Pa/m

Cd is always ______________ Cc?

A Greater than

B Less than

C Equal to

D Either more or less than

Review Detailed Answer

Correct Answer: Greater than

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation ?

A Decrease in effect

B Increase in thrust

C Develops noise

D Develops high pressure

Review Detailed Answer

Correct Answer: Develops high pressure

For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a _____________ relationship?

A Logarithmic

B Linear

C Hyperbolic

D Parabolic

Review Detailed Answer

Correct Answer: Logarithmic

In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?

A More than

B Less than

C Equal to

D Either A. or B.

Review Detailed Answer

Correct Answer: More than

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?

A (ρH – ρair)gH

B (ρH – ρL)gH

C (ρH – ρL) gH + (ρL – ρair) . g(L – H)

D (ρH – ρL) gL + (ρL – ρair)gH

Review Detailed Answer

Correct Answer: (ρH – ρair)gH

The capacity of an accumulator is the maximum_________________?

A Energy which it can store

B Discharge which it can deliver

C Liquid which it can store

D None of these

Review Detailed Answer

Correct Answer: Energy which it can store

In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is ______________ the fluid viscosity?

A Directly proportional to

B Inversely proportional to

C Inversely proportional to the square root of

D Independent of

Review Detailed Answer

Correct Answer: Inversely proportional to

Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions ?

A Re <> 1, accelerating flow

C Re << 1, decelerating flow

D Re >>1, decelerating flow

Review Detailed Answer

Correct Answer: Re >>1, decelerating flow

Fluid flow in a/an ______________ is an example of pressure flow?

A Partially filled pipeline

B Pipe

C Open channel

D River

Review Detailed Answer

Correct Answer: Pipe

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Cd is always ______________ Cc?

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation ?

For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a _____________ relationship?

In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?

The capacity of an accumulator is the maximum_________________?

In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is ______________ the fluid viscosity?

Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions ?

Fluid flow in a/an ______________ is an example of pressure flow?