Chemical Engineering Archives

Chemical Engineering

Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.

3491. Heavy water is preferred over ordinary water as a coolant, because it.

acts both as an efficient coolant as well as a moderator.

can be heated to a higher temperature without pressurizing.

is less prone to radiation damage.

all (a), (b) and (c).

✅ The correct answer is option D.

3492. Main source of __________ is monazite sand.

uranium

polonium

hafnium

thorium

✅ The correct answer is option D.

3493. Percentage of the heavy water in ordi water is around

0.015

7.54

0.71

32.97

✅ The correct answer is option A.

3494. Positron is a/an

nucleus having two protons.

helium nucleus.

electron with positive charge.

nucleus with one proton and one neutron.

✅ The correct answer is option C.

3495. Thorium can be converted into U-233 in a __________ reactor.

liquid metal cooled

fast breeder

thermal

swimming pool

✅ The correct answer is option B.

3496. Energy equivlant to one atomic mass unit (amu) is __________ MeV.

9.31

93.1

931

9310

✅ The correct answer is option C.

3497. Which is a fertile nuclear fuel ?

U-233

U-235

Pu-239

Th-232

✅ The correct answer is option D.

3498. The ratio of neutrons to protons of an element having a mass number and atomic number of 80 and 40 respectively is

0.5

✅ The correct answer is option A.

3499. Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.

thermal

fast breeder

heavy water moderated

enriched uranium

✅ The correct answer is option B.

3500. Gas cooling as compared to water cooling of nuclear reactors

can not attain a high temperature.

is more efficient as gas has a higher specific heat.

can produce only saturated steam for feeding to power turbine.

none of these.

✅ The correct answer is option D.