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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 19
21.
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?
Nitrogen oxides
Hydrocarbons
both 'a' & 'b'
Carbon monoxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
If Reynolds number is greater than 1, then the
viscous force is larger than the inertia force.
inertia force is larger than the viscous force.
inertia force is larger than the surface tension force.
inertia force is larger than the gravitational force.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The type of pump used for lifting large quantity of sewage is a __________ pump.
gear
centrifugal
reciprocating
plunger
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following metals is not subjected to electrolytic refinning/purification?
Copper
Zinc
Tin
Aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is
more
less
same
more but less than the diameter of bolt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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