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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 6
6.
The emf of a Deniell cell can be increased by
decreasing the surface area of the electrodes.
increasing the concentration of zinc sulphate solution.
increasing the surface area of the electrodes.
increasing the concentration of copper sulphate solution.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
A hot short metal is
hard when hot.
brittle when cold.
brittle when hot.
brittle under all conditions.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Corrosion rate can not be lowered by reducing the __________ of the corroding medium.
concentration
velocity
temperature
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Routing in production, planning & control is concerned with the
sequence of operation to be performed.
progress of work performed.
authorisation of work to be performed.
balancing of load on machines.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
6
18
38
52
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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