This set of Separation Processes online quiz focuses on “Equilibrium-Moisture Content of Solids”.
1. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 20.2% is dried and brought to 20%.
a) 0.168
b) 0.234
c) 0.200
d) 0.300
View Answer
Explanation: W=100X/100+X and hence W= 0.168(1)=0.168kg.
2. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 15 % is dried and brought to 14.8%.
a) 0.168
b) 0.130
c) 0.200
d) 0.300
View Answer
Explanation: W=100X/100+X and hence W= 0.130(1)=0.130kg.
3. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 20.2% is dried and brought to 20%.
a) 0.168
b) 0.234
c) 0.156
d) 0.115
View Answer
Explanation: W=100X/100+X and hence W= 0.115(1)=0.15kg.
4. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 18% is dried and brought to 17.8%.
a) 0.168
b) 0.146
c) 0.152
d) 0.234
View Answer
Explanation: W=100X/100+X and hence W= 0.152(1)=0.152kg.
5. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 25% is dried and brought to 24.8%.
a) 0.16
b) 0.27
c) 0.200
d) 0.300
View Answer
Explanation: W=100X/100+X and hence W= 0.2(1)=0.2kg.
6. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 20.2% is dried and brought to 20%.
a) 0.168
b) 0.234
c) 0.200
d) 0.237
View Answer
Explanation: W=100X/100+X and hence W= 0.237(1)=0.237kg.
7. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 27% is dried and brought to 26.5%.
a) 0.324
b) 0.234
c) 0.225
d) 0.212
View Answer
Explanation: W=100X/100+X and hence W= 0.212(1)=0.212kg.
8. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 20.2% is dried and brought to 20%.
a) 0.168
b) 0.259
c) 0.254
d) 0.257
View Answer
Explanation: W=100X/100+X and hence W= 0.259(1)=0.259kg.
9. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 30% is dried and brought to 28%.
a) 0.168
b) 0.289
c) 0.276
d) 0.248
View Answer
Explanation: W=100X/100+X and hence W= 0.248(1)=0.248kg.
10. Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 24% is dried and brought to 20%.
a) 0.194
b) 0.236
c) 0.876
d) 0.239
View Answer
Explanation: W=100X/100+X and hence W= 0.194(1)=0.194kg.
Sanfoundry Global Education & Learning Series – Separation Processes.
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