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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 27
11.
Tin is not present as an alloying element in
phosphor bronze
gun metal
fusible metal
white metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Thermit welding uses the following energy source.
Electrical energy.
Chemical energy.
Energy of high velocity electrons.
Heat generated by friction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
pipe roughness & pipe diameter.
fluid velocity.
type of flowing fluid.
both 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan B. Economiser C. Air preheater D. Steam superheater
Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories ?
A, C, B, D
D, B, C, A
D, C, B, A
D, A, B, C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Case hardening of a material is
followed by tempering or carburising.
preceded by its tempering.
done to get a soft ductile interior with a very hard surface.
carried out to get extreme hardness in its core.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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