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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
1. |
If Kc=30Temperature difference Tm-Tc=50Time taken = 3000sDensity d=4Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 20 |
B. | 22.4 |
C. | 25.6 |
D. | 27.38 |
Answer» C. 25.6 | |
2. |
If Kc=40Temperature difference Tm-Tc=50Time taken = 3000sDensity d=2Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 34.6 |
B. | 39.6 |
C. | 44.7 |
D. | 78.4 |
Answer» D. 78.4 | |
3. |
If Kc=20Temperature difference Tm-Tc=50Time taken = 3000sDensity d=4Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 20 |
B. | 22.4 |
C. | 25.6 |
D. | 27.8 |
Answer» C. 25.6 | |
4. |
If Kc=30Temperature difference Tm-Tc=50Time taken = 3000sDensity d=2Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 31.6 |
B. | 34.6 |
C. | 36.7 |
D. | 38.7 |
Answer» E. | |
5. |
If Kc=20Temperature difference Tm-Tc=50Time taken = 3000sDensity d=2Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 25.6 |
B. | 29.4 |
C. | 31.6 |
D. | 72.5 |
Answer» D. 72.5 | |
6. |
If Kc=10Temperature difference Tm-Tc=50Time taken = 3000sDensity d=4Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 14.6 |
B. | 15.63 |
C. | 15.81 |
D. | 27.2 |
Answer» C. 15.81 | |
7. |
If Kc=10Temperature difference Tm-Tc=50Time taken = 3000sDensity d=2Rate of heat released by freezing =1000Calculate the crystal thickness |
A. | 20 |
B. | 22.4 |
C. | 25.6 |
D. | 27.8 |
Answer» C. 25.6 | |
8. |
What are the two major methods for melt crystallization? |
A. | Suspension, layer |
B. | Layer, multilayer |
C. | Suspension, colloidal |
D. | Layer, non-layer |
Answer» B. Layer, multilayer | |
9. |
What is the definition of melt crystallization? |
A. | Crystallization of melts from eutectic-forming or solid solution forming mixtures |
B. | Crystallization of melts from eutectic-forming or liquid solution forming mixtures |
C. | Crystallization of melts from eutectic-forming or constant boiling mixtures |
D. | Crystallization at very high temperatures |
Answer» B. Crystallization of melts from eutectic-forming or liquid solution forming mixtures | |