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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 8
1.
Diamagnetic materials
are magnetised by eddy currents only.
are non-magnetic and can not be magnetised.
are magnetised in direction opposite to the magnetic field.
can be magnetised in one direction only.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In connection with corrosion of metals, passivation is the process that
intensifies deterioration.
changes the composition of the metal.
inhibits further deterioration.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
With increase in impurities in metals, their corrosion resistances
increase
decrease
remain same
may increase or decrease ; depending on the type of metal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Most important property of steels for use in automobile bodies is the
formability
yield strength
toughness
resilience
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Consideration of the creep is the most important in case of the
blades of gas turbine.
piston of an I. C. engine.
flywheel of steam engine.
cycle chain.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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