A. Composition
B. Temperature
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
Basic Chemical Engineering MCQs
The radioactive isotope of hydrogen is
A. Deuterium
B. Tritium
C. Protium
D. None of these
✅ The correct answer is option B.
A balanced draught boiler furnace employs __________ draught fan.
A. Induced
B. Forced
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
__________ furnace is generally used in the non-ferrous foundaries.
A. Direct arc
B. Indirect arc
C. Resistance
D. Induction
✅ The correct answer is option B.
Addition of __________ to steel does not impart hardness.
A. Nickel
B. Copper
C. Chromium
D. Silicon
✅ The correct answer is option B.
Which of the following is not used as a bearing material?
A. Copper-lead alloys
B. Babbits
C. Bronzes
D. Cermets
✅ The correct answer is option D.
Draft allowance given to patterns is for
A. Compensating the liquid state shrinkage
B. Easy removal of pattern from the mold cavity
C. Providing support for the core placement
D. Compensating the solidification shrinkage
✅ The correct answer is option B.
In __________ process, there is an increase in entropy with no degradation of energy.
A. Isothermal expansion
B. Isochoric heat addition
C. Polytropic expansion
D. Isobaric heat addition
✅ The correct answer is option A.
The gases used in the treatment of asthma is a mixture of __________ and oxygen.
A. Helium
B. Argon
C. Neon
D. None of these
✅ The correct answer is option A.
Surface tension of a liquid
A. Is due to intermolecular forces of cohesion
B. Decreases with rise in temperature
C. Is responsible for the spherical shape of an isolated liquid drop
D. All of the above
✅ The correct answer is option D.