Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 6
1.
Adhesives
A.
can't be used in the form of pressure sensitive tapes. B.
can't join two dissimilar metals. C.
cure instantaneously after application on a surface. D.
none of these.
Answer: Option D
Explanation:
2.
In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C.
Answer: Option D
Explanation:
3.
Normalising of a casting does not
A.
induce stresses in it. B.
refine its grain structure. C.
reduce seggregation. D.
improve its mechanical properties.
Answer: Option A
Explanation:
4.
The swift cup test evaluates the following property of a sheet metal.
A.
Stretchability B.
Drawability C.
Bendability D.
None of these
Answer: Option B
Explanation:
5.
__________ is the most important element, which controls the physical properties of steel.
A.
Manganese B.
Silicon C.
Carbon D.
Vanadium
Answer: Option C
Explanation: