IndiaBIX

Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 19
46.
The hardenability of steel decreases with
decrease in dislocation density.
increase in solutionising temperature.
increase in strength.
decrease in grain size.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Pick out the correct statement about the condensation.
Filmwise condensation gives a lower heat transfer rate than the dropwise condensation.
Suitable coating or vapour additive is used to promote film wise condensation.
If a condensing liquid does not wet the surface dropwise, even then condensation will take place on it.
Reynolds number of condensing liquid is based on its mass flow rate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Change in volume of metals from absolute zero temperature to their melting points is
almost same for all metals.
different for different metals.
less for low melting point metals.
less for high melting point metals.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
creep
fatigue
endurance
tensile
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Alloy powder manufactured by the following process have spherical shapes.
Electrochemical deposition.
Gaseous reduction.
Atomisation.
Mechanical attrition.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers