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Mass Transfer
Tough Mass Transfer
Quiz 1
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Q.1
Find the moisture to be evaporated per kg of dried product if initial and final moisture content per kg of dry solid isand 15%.
a) 0.5
b) 0.6
c) 0.7
d) 0.8
Q.2
Convertof moisture in wet basis to dry basis ( kg water/kg dry solid)
a) 4
b) 8
c) 12
d) 16
Q.3
If the equilibrium vapour pressure is lower than pure liquid pressure then the moisture content is ___________
a) Bound moisture
b) Unbound moisture
c) Equilibrium moisture
d) None of the mentioned
Q.4
The substance moisture exerts equilibrium vapour pressure equals to vapour pressure of liquid is ________
a) Bound moisture
b) Unbound moisture
c) Equilibrium moisture
d) None of the mentioned
Q.5
The moisture which can be evaporated is bound moisture.
a) True
b) False
Q.6
The method of drying by conduction through materials are done by _________
a) Direct driers
b) Indirect driers
c) Tray driers
d) None of the mentioned
Q.7
The substance like food stuff, pharma products are dried by _______ drying.
a) Direct
b) Indirect
c) Freeze
d) None of the mentioned
Q.8
The representation AB is known as
a) Bound moisture
b) Unbound moisture
c) Equilibrium moisture
d) None of the mentioned
Q.9
The name of the curve between relative humidity and moisture content is equilibrium moisture curve.
a) True
b) False
Q.10
Convert 5 kg of moisture /kg of dry solid to wet basis.
a) 3/6
b) 4/6
c) 5/6
d) 1
0 h : 0 m : 1 s
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