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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 gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?

A A, C, B, D

B D, B, C, A

C D, C, B, A

D D, A, B, C

Review Detailed Answer

Correct Answer: D, B, C, A

Wood is a/an ______________ material ?

A Amorphous

B Cellular

C Homogeneous

D Granular

Review Detailed Answer

Correct Answer: Cellular

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that ?

A Compared to the mass flow rate of cooling water, the rate of condensation of steam is

B Maintaining vacuum on tube side is more difficult than that on the shell side

C Water velocity can be increased conveniently to increase the overall heat transfer co-efficient

D Condenser can act as a storage unit for condensed steam

Review Detailed Answer

Correct Answer: Water velocity can be increased conveniently to increase the overall heat transfer co-efficient

Steel balls are manufactured by_____________________?

A Sintering

B Casting

C Cold heading

D Spinning

Review Detailed Answer

Correct Answer: Cold heading

____________________ are normally subjected to sub-zero treatment?

A Highly stressed parts

B Gauges or precision parts

C Cold rolled sheets

D Non machinable materials

Review Detailed Answer

Correct Answer: Gauges or precision parts

Auto collimator is used to check____________________?

A Flatness

B Angle

C Rotor balancing

D Roughness

Review Detailed Answer

Correct Answer: Angle

__________________ fluid force is not considered in the Navier-Stokes equation?

A Turbulent

B Viscous

C Gravity

D Pressure

Review Detailed Answer

Correct Answer: Turbulent

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is ?

A Less

B More

C Equal

D Unpredictable

Review Detailed Answer

Correct Answer: Less

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?

A Fatigue strength

B Creep strength

C Resilience

D Endurance limit

Review Detailed Answer

Correct Answer: Endurance limit

Hot working of lead is carried out at ___________________?

A 75°C

B 373°K

C 150°C

D Room temperature

Review Detailed Answer

Correct Answer: 373°K

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?

Wood is a/an ______________ material ?

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that ?

Steel balls are manufactured by_____________________?

____________________ are normally subjected to sub-zero treatment?

Auto collimator is used to check____________________?

__________________ fluid force is not considered in the Navier-Stokes equation?

In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is ?

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?

Hot working of lead is carried out at ___________________?