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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.

The distance between the centres of a rivet hole to the nearest edge of the plate is called _________________?

A Pitch

B Margin

C Back pitch

D None of these

Review Detailed Answer

Correct Answer: Margin

To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?

A 0.5 d

B d

C 1.5 d

D 2.5 d

Review Detailed Answer

Correct Answer: d

When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?

A Preferably flow inside the tube for its easier internal cleaning

B Preferably flow outside the tube

C Flow at a very slow velocity

D Flow outside the tube, when the flow is counter-current and inside the tube when the flow is

Review Detailed Answer

Correct Answer: Preferably flow inside the tube for its easier internal cleaning

In a bag filter, the pressure drop increases directly as the___________________?

A Density of the gas, but is independent of the viscosity of the gas

B Density of the gas and inversely as viscosity of the gas

C Viscosity of the gas and inversely as density of the gas

D None of these

Review Detailed Answer

Correct Answer: Density of the gas and inversely as viscosity of the gas

In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones; because the smaller diameter tubes ______________?

A Are easier to clean

B Are less prone to fouling

C Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less

D None of these

Review Detailed Answer

Correct Answer: Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less

In a vertical short tube evaporator (Calandria type), the ______________________?

A Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylindrical drum dia of 1-6 metres are

B Area of central downtake is equal to 40 to 100% of total cross-sectional area of the

C Liquor is inside the tube while the steam is outside the tube

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

For a given fluid, as the pipe diameter increases, the pumping cost ____________________?

A Decreases

B Increases

C Remain unaffected

D May increase or decrease depending upon whether the fluid is Newtonian or non-Newtonian

Review Detailed Answer

Correct Answer: Decreases

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

A Expansion joint

B Changes in its direction

C Change in the shape of pipeline

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

In most of the shell and tube heat exchangers, the tube pitch is generally ______________ the tube diameter?

A Less than

B 1.25-1.50 times

C 2.5 times

D one-fourth of

Review Detailed Answer

Correct Answer: 1.25-1.50 times

Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?

A Preventing the local overstressing of the shell around the opening

B Reduction of discontinuity in shape at the junction

C Making the joint leak proof

D None of these

Review Detailed Answer

Correct Answer: Preventing the local overstressing of the shell around the opening

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The distance between the centres of a rivet hole to the nearest edge of the plate is called _________________?

To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to ____________________?

When one of the fluids is highly corrosive and has fouling tendency, it should_____________________?

In a bag filter, the pressure drop increases directly as the___________________?

In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones; because the smaller diameter tubes ______________?

In a vertical short tube evaporator (Calandria type), the ______________________?

For a given fluid, as the pipe diameter increases, the pumping cost ____________________?

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

In most of the shell and tube heat exchangers, the tube pitch is generally ______________ the tube diameter?

Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?