MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the term KL in the giver equation of Nusselt number for nucleate boiling heat transfer correlations? |
| A. | Nub = \(\frac{(\frac{q}{A})D_b}{(T_s-T_{sat})k_L}\) |
| B. | Thermal conductivity of the vapour |
| C. | Thermal conductivity of the liquid |
| D. | Thermal conductivity of the film |
| E. | Thermal conductivity of the Bubble |
| Answer» C. Thermal conductivity of the liquid | |
| 2. |
The heat flux Q/A depends on the specific heat of the liquid Cf as which one of the following given? |
| A. | Q/A= δf hfg [(pf – pg) g/σ]0.55 [Cf dt/hfg p] 3 |
| B. | Q/A = δf hfg [(pf – pg) g/σ]0.6 [Cf dt/hfg p Csf]3 |
| C. | Q/A = δf hfg [(pf – pg) g/σ]0.5 [Cf dt/hfg p Csf]3 |
| D. | Q/A = δf hfg [(pf – pg) g/σ]0.5 [Cf dt/hfg p Csf] |
| Answer» D. Q/A = δf hfg [(pf – pg) g/σ]0.5 [Cf dt/hfg p Csf] | |