IndiaBIX

Chemical Engineering - Mechanical Operations

Exercise : Mechanical Operations - Section 1
31.
Which of the following mineral dressing operations is termed as 'comminution'?
Panning
Spiralling
Tabling
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The capacity of a pneumatic conveying system depends upon the
bulk density of materials.
pressure of the conveying air.
diameter of the conveying line.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Pick out the wrong statement.
Close circuit grinding is more economical than open circuit grinding.
Cod oil, beef tallow or aluminium stearates are used as grinding aids in cement 'industries'.
The equipment used for the removal of traces of solids from a liquid is called a classifier.
Size enlargement is a mechanical operation exemplified by medicinal tablet making.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Gravity settling process is not involved in the working of a
hydrocyclone
classifier
dorr-thickener
sedimentation tank
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Froth floatation is the most suitable for treating
iron ores
sulphide ores
quartzite
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers