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This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the unit of Fouling factor (Rf) in S.I. system? |
A. | m2K/Pa |
B. | mK/Pa |
C. | m2K / W |
D. | mK/W |
Answer» D. mK/W | |
2. |
What do you understand by Rfo and Rfi? |
A. | Dirt factor and Fouling factor |
B. | Inner Tube outer surface fouling factor and inner surface fouling factor |
C. | Inner Tube outer surface fouling factor and inner surface fouling factor |
D. | Inner Tube outer surface fouling factor and Annulus tube inner surface fouling factor |
Answer» C. Inner Tube outer surface fouling factor and inner surface fouling factor | |
3. |
In a double pipe heat exchanger, in the inner side fluid enters at 15℃ and leaves at 65℃. The annulus has steam at 1atm. What is the value of LMTD? |
A. | 39℃ |
B. | 66.7℃ |
C. | 70℃ |
D. | 56.35℃ |
Answer» E. | |