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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
Statement 1: Diffusion of gas component through the resistive film to the bulk of the liquid is the rate determining step. |
A. | Statement 2: Diffusion of gas component through the gas-liquid inter-phase is the rate determining step. |
B. | True, False |
C. | True, True |
D. | False, False |
E. | False, True |
Answer» B. True, False | |
2. |
Ratio of equilibrium concentrations of solute A in liquid phase and gas phase i.e. CAL* and CAg* respectively is α. α is called _____ |
A. | Diffusion coefficient |
B. | Distribution coefficient |
C. | Mass transfer coefficient |
D. | None of the mentioned |
Answer» C. Mass transfer coefficient | |
3. |
Statement 1: Diffusion is faster than convective mass transfer. |
A. | Statement 2: Mass transfer is proportional to the area of contact. |
B. | True, False |
C. | True, True |
D. | False, False |
E. | False, True |
Answer» E. False, True | |
4. |
Statement 1: When alcohol is allowed to move from chamber A to chamber B when a barrier between them is removed, it is called multi phase diffusion. |
A. | Statement 2: When oxygen is made to diffuse into the water, it’s called continuous molecular diffusion. |
B. | True, False |
C. | True, True |
D. | False, False |
E. | False, True |
Answer» E. False, True | |