MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following is the standard symbol for Peclet number? |
| A. | P |
| B. | p |
| C. | Pe |
| D. | pe |
| Answer» D. pe | |
| 2. |
WHICH_AMONG_THE_FOLLOWING_IS_THE_FORMULA_FOR_KNUDSEN_NUMBER??$ |
| A. | <sup>λ</sup>⁄<sub>L</sub> |
| B. | <sup>λ</sup>⁄<sub>2L</sub> |
| C. | <sup>λ</sup>⁄<sub>3L</sub> |
| D. | <sup>λ</sup>⁄<sub>4L</sub> |
| Answer» B. <sup>‚âà√≠¬¨‚Ñ¢</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>2L</sub> | |
| 3. |
WHICH_AMONG_THE_FOLLOWING_IS_THE_STANDARD_SYMBOL_FOR_PECLET_NUMBER??$ |
| A. | P |
| B. | p |
| C. | Pe |
| D. | pe |
| Answer» D. pe | |
| 4. |
Fanning friction factor is _________ |
| A. | 0.25 times Darcy friction factor |
| B. | Same as Darcy friction factor |
| C. | 2 times Darcy friction factor |
| D. | Independent |
| Answer» B. Same as Darcy friction factor | |
| 5. |
Which among the following is the standard symbol for Darcy friction factor? |
| A. | F |
| B. | F<sub>d</sub> |
| C. | C |
| D. | C<sub>d</sub> |
| Answer» C. C | |
| 6. |
The Prandtl Number approximates ___________ |
| A. | Momentum diffusivity to thermal diffusivity |
| B. | Thermal diffusivity to momentum diffusivity |
| C. | Shear stress to thermal diffusivity |
| D. | Thermal diffusivity to kinematic viscosity |
| Answer» B. Thermal diffusivity to momentum diffusivity | |
| 7. |
Which among the following is the standard symbol for Archimedes number? |
| A. | A |
| B. | AR |
| C. | A<sub>r</sub> |
| D. | a |
| Answer» D. a | |
| 8. |
The rate at which the particles of fluid can spread is called_______ |
| A. | Surface tension |
| B. | Diffusivity |
| C. | Viscosity |
| D. | Kinetics |
| Answer» C. Viscosity | |