Explore topic-wise MCQs in Bioprocess Engineering.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

50 g benzaldehyde vapour is condensed at 179 C, What is the enthalpy of the liquid relative to the vapour?
Given: The molecular weight of benzaldehyde is 106.12, the normal boiling point is 179.0 C and the standard heat of vaporization is 38.40 kJ gmol-1. For condensation the latent heat is 38.40 kJ gmol-1.

A. -18.09 kJ
B. -17.09 kJ
C. 18.06 kJ
D. 17.06 kJ
Answer» B. -17.09 kJ
Discussion
2.

Processes for phase change of vapour to liquid is called?

A. Vaporization
B. Fusion
C. Sublimation
D. Condensation
Answer» E.
Discussion
3.

What is the enthalpy of 130 g formic acid at 70 C and 1 atm relative to 25 C and 1 atm?
Cp for formic acid in the temperature range of interest is 0.524 cal g-1 C-1.

A. 4.68 kcal
B. 3.06 kcal
C. 2.06 kcal
D. 2.68 kcal
Answer» C. 2.06 kcal
Discussion
4.

Calculate H for a process in which 2.0 mole of NaOH is dissolved in 400 mol H2O at 25C.
( ( Delta hat{H}_{s} ) at r = 200, 25 C is 42.26 kJ/ mol)

A. 84.52 kJ
B. -80.42 kJ
C. 64.52 kJ
D. 60. 42 kJ
Answer» B. -80.42 kJ
Discussion
5.

Calculate how much energy (kJ) is required to heat a bottle containing 300 mL of liquid water from room temperature (20 C) to its normal boiling point (100 C), while still remaining a liquid.

A. 104.4 kJ
B. 100.4 kJ
C. 140.4 kJ
D. 104.5 kJ
Answer» C. 140.4 kJ
Discussion
6.

The symbol refers to?

A. Amount
B. Rate of enthalpy
C. Molar flow rate
D. Specific internal energy
Answer» E.
Discussion
7.

Heat transferred to raise or lower the temperature of a material is called Specific heat.

A. True
B. False
Answer» C.
Discussion