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:
