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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.

Coolant used in a boiling water reactor is________________?

A Hydrogen gas

B Water

C Steam

D A mixture of water & steam

Review Detailed Answer

Correct Answer: A mixture of water & steam

The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is ___________________?

A 1

B 0.5

C 2

D 4

Review Detailed Answer

Correct Answer: 1

A radioactive substance does not emit________________?

A α-ray

B Proton

C Position

D β-ray

Review Detailed Answer

Correct Answer: Proton

Thermal shield is used in high powered nuclear reactors to__________________?

A Protect the walls of the reactor from radiation damage

B Absorb the fast neutrons

C Slow down the secondary neutrons

D Protect the fuel element from coming in contact with the coolant

Review Detailed Answer

Correct Answer: Protect the walls of the reactor from radiation damage

Commercial power generation from fusion reactor is not yet possible, because___________________?

A It is difficult to control nuclear fusion reaction

B The fuel required (i.e., deuterium & tritium) is scarce

C It is difficult to initiate fusion reaction

D Quantity of fuel required for initiating fusion reaction is prohibitively high

Review Detailed Answer

Correct Answer: It is difficult to control nuclear fusion reaction

Molten sodium (as a coolant in fast breeder reactor) ?

A Can’t attain high temperature at normal pressure

B Is not at all corrosive, even at a higher temperature

C Is highly radioactive at elevated temperatures and can cause explosion, when it comes in

D None of these

Review Detailed Answer

Correct Answer: Is highly radioactive at elevated temperatures and can cause explosion, when it comes in

Out of the following, nucleus of _____________ atom contains the largest number of neutrons?

A U-235

B U-238

C U-239

D Pu-239

Review Detailed Answer

Correct Answer: U-239

The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be _____________ percent?

A 3.125

B 6.25

C 12.50

D 25

Review Detailed Answer

Correct Answer: 6.25

Nuclear reactors are provided with shield to guard against the emission of mainly _____________ rays?

A X

B α and β

C Neutrons & gamma

D Infrared

Review Detailed Answer

Correct Answer: Neutrons & gamma

Which of the following is a moderating material used in nuclear reactor ?

A Graphite

B Cadmium

C Zircaloy (an alloy of zirconium and aluminium)

D Stainless steel

Review Detailed Answer

Correct Answer: Graphite

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Coolant used in a boiling water reactor is________________?

The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is ___________________?

A radioactive substance does not emit________________?

Thermal shield is used in high powered nuclear reactors to__________________?

Commercial power generation from fusion reactor is not yet possible, because___________________?

Molten sodium (as a coolant in fast breeder reactor) ?

Out of the following, nucleus of _____________ atom contains the largest number of neutrons?

The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be _____________ percent?

Nuclear reactors are provided with shield to guard against the emission of mainly _____________ rays?

Which of the following is a moderating material used in nuclear reactor ?