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. |
An iron billet (k = 65 W/m K) measuring 20 * 15 * 80 cm is exposed to a convective flow resulting in convection coefficient of 11.5 W/m2 K. Determine the Biot number |
| A. | 0.02376 |
| B. | 0.008974 |
| C. | 0.004563 |
| D. | 0.006846 |
| Answer» E. | |
| 2. |
Thermal radiation suffers no attenuation in a vacuum . |
| A. | True |
| B. | False |
| Answer» B. False | |