Bioprocess Engineering Law Conservation Mass Online Exam Quiz
Bioprocess Engineering Law Conservation Mass GK Quiz. Question and Answers related to Bioprocess Engineering Law Conservation Mass. MCQ (Multiple Choice Questions with answers about Bioprocess Engineering Law Conservation Mass
A continuous process is set up for treatment of wastewater. Each day, 103 kg cellulose and 105 kg bacteria enter in the feed stream, while 102 kg cellulose and 1.5 x 102 kg bacteria leave in the effluent. The rate of cellulose digestion by the bacteria is 8 x 102 kg d-1. The rate of bacterial growth is 4x 102 kg d-l; the rate of cell death by lysis is 6 x 102 kg d-1. Write balances for cellulose and bacteria in the system.
Options
A : 1× 103 kg, 9 × 103 kg
B : 1× 102 kg, 9.965 × 104 kg
C : 1× 103 kg, 9.964 × 104 kg
D : 1× 102 kg, 9 × 103 kg
A solution of common salt in water is prepared by adding 20 kg of salt to 100 kg of water, to make a liquid of density 1323 kg/m3. Calculate the concentration of salt in this solution as a (a) weight fraction, (b) weight/volume fraction, (c) mole fraction, (d) molal concentration.
Options
A : 15.7%, 23.1%, 0.058, 3.88 moles in m3
B : 14.5%, 22.4%, 0.059, 2.88 moles in m3
C : 16.7%, 22.1%, 0.058, 3.77 moles in m3
D : 14.7%, 23.1%, 0.059, 2.77 moles in m3
2SO2+O2 ? 2SO3. What is the stoichiometric ratio of SO2 to SO3?
Options
A : 3
B : 1
C : 2
D : 0
Two methanol-water mixtures are contained in separate tanks. The first mixture contains 40.0 wt% methanol and the second contains 70.0 wt% methanol. If 200 kg of the first mixture is combined with 150 kg of the second, what are the mass and composition of the product (Total balance, Methanol balance, Physical constraint)?
Options
A : 350 kg, 0.529, 0.471
B : 320 kg, 0.529, 0.521
C : 360 kg, 0.620, 0.471
D : 350 kg, 0.690, 0.760
If the Reactant iron is combined with Reactant Sulfur to form the product Iron sulfide, then what will be the atomic mass of the product?
Options
A : 88
B : 44
C : 22
D : 80
If the reactant Magnesium reacts with Reactant Hydrochloric acid to form the product Magnesium chloride + Hydrogen, then what will be the atomic mass of both the product?
Options
A : 90
B : 97
C : 80
D : 87
Which of the following system follows the differential equation?
Options
A : Semi- Batch process
B : Batch process
C : Fed- Batch process
D : Continuous process
Calculate the degree of reduction for ethanol, where the degree of reduction of C=4, H=1, O=-2.
Options
A : ? = 9
B : ? = 6
C : ? = 3
D : ? = 2
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