A. Conductivity
B. Diffusivity
C. Inertia
D. All of the above
✅ The correct answer is option C.
Basic Chemical Engineering MCQs
Fine grained steels have
A. High brittleness
B. Higher tendency to distort
C. High ductility
D. None of these
✅ The correct answer is option C.
Function of fusible plug in a boiler is to
A. Drain out water and sludge from the boiler during repair
B. Put off fire in the furnace when water level in the boiler falls to unsafe limit
C. Guard the boiler in case of abnormal rise in steam pressure
D. All of the above
✅ The correct answer is option B.
If Reynolds number is greater than 1, then the
A. Viscous force is larger than the inertia force
B. Inertia force is larger than the viscous force
C. Inertia force is larger than the surface tension force
D. Inertia force is larger than the gravitational force
✅ The correct answer is option B.
Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.
A. Film
B. Nucleate
C. Transition
D. All of the above
✅ The correct answer is option A.
Which of the following is the terminology used for the temperature at which the phase changes occur in a metal ?
A. Critical temperature
B. Recrystallisation temperature
C. Phase transformation temperature
D. Transition temperature
✅ The correct answer is option A.
X-rays do not exhibit the property of
A. Reflection
B. Scattering
C. Diffraction
D. Dispersion
✅ The correct answer is option B.
The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.
A. Driving
B. Transmission
C. Absorption
D. None of these
✅ The correct answer is option C.
Puddling process is used for converting pig iron into
A. Cast iron
B. Wrought iron
C. Mild steel
D. Semi-steel
✅ The correct answer is option C.
Out of the following, the most ductile material is
A. Mild steel
B. Copper
C. Nickel
D. Aluminium
✅ The correct answer is option A.