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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 23
1.
Which of the following is capable of acting both as an acid flux as well as a basic flux in the metal extraction from its ore ?
Silica
Lime
Alumina
Fluorite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven ?
Collar joint
Flexible joint
Flanged joint
Expansion joint
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Floating control action
moves the final control element at constant speed in either direction in response to an error signal.
changes the position of the final control element from on to off.
is used to counteract rapid load changes.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Boiler rating is normally done in terms of
steam temperature & pressure.
steam output (tons/hr).
heat transfer rate (kcal/hr).
heat transfer area (m2).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)
A
D
1/A
1/A2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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