A. 1 kg/cm²
B. 1 bar
C. 1 atmosphere
D. 1 kilo Pascal
✅ The correct answer is option C.
Basic Chemical Engineering MCQs
Material having negative co-efficient of linear expansion is
A. Copper
B. Aluminium
C. Rubber
D. Nickel
✅ The correct answer is option C.
Primary designation of steel is based on its
A. Hardness & tensile strength
B. Carbon content
C. Iron content
D. Alloying elements content
✅ The correct answer is option D.
Stellite is a trade name for the
A. Cermets
B. Ferrous cast alloys
C. Non-ferrous cast alloys
D. Products made by powder metallurgy techniques
✅ The correct answer is option C.
In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
A. More
B. Less
C. Equal
D. Much more
✅ The correct answer is option C.
Boiler rating is normally done in terms of
A. Steam temperature & pressure
B. Steam output (tons/hr)
C. Heat transfer rate (kcal/hr)
D. Heat transfer area (m²)
✅ The correct answer is option B.
Which of the following is the most suitable for removing fine particles (< 1 micron diameter) from air below its dew point?
A. Venturi scrubber
B. Electrostatic precipitator
C. Cyclone separator
D. Fabric filter
✅ The correct answer is option B.
Load cells used for the measurement of weight has
A. Compact & rugged construction with an accuracy of 0.1 to 1%
B. No moving parts and incurs negligible deflection under load
C. Provision of thermal compensation and is hermetically sealed
D. All of the above
✅ The correct answer is option D.
Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type
A. Parallel flow with equal heat capacities
B. Counter flow with equal heat capacities
C. Counter flow with unequal heat capacities
D. Parallel flow with unequal heat capacities
✅ The correct answer is option B.
Blast furnace is a
A. Counter current reactor
B. Co-current reactor
C. Cross-current reactor
D. Combination of all the three
✅ The correct answer is option A.