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
Questionmass-transfer-questions-answers8.jpg
  • 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