Chemical Engineering - Mechanical Operations

41.
Cyclones are used primarily for separating
solids
solids from fluids
liquids
solids from solids
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores.
classification
tabling
jigging
froth floatation
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
Separation of isotopes is generally done using a/an __________ centrifuge.
ultra
disk-bowl
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Temperature of the product during ultrafine grinding
increases
decreases
remains constant
may increase or decrease ; depends on the material being ground
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the
light metal powder down upto 4 meshsize.
dry chemicals.
heavy tonnages of rocks or gravel.
powdered food & granular materials.
Answer: Option
Explanation:
No answer description is available. Let's discuss.