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. |
Calculate the density of fluid having an absolute viscosity of 0.89 Ns/m2 and kinematic viscosity of 2 m2/s. |
| A. | 0.445 kg/m<sup>3</sup> |
| B. | 0.440 kg/m<sup>3</sup> |
| C. | 0.544 kg/m<sup>3</sup> |
| D. | 0.550 kg/m<sup>3</sup> |
| Answer» B. 0.440 kg/m<sup>3</sup> | |
| 2. |
A fluid is flowing between two layers. Calculate the shearing force if the shear velocity is 0.25 m/s and has length 2 m and dynamic viscosity is 2Ns/m2. |
| A. | 0.2 N/m<sup>2</sup> |
| B. | 0.4 N/m<sup>2</sup> |
| C. | 0.5 N/m<sup>2</sup> |
| D. | 0.6 N/m<sup>2</sup> |
| Answer» D. 0.6 N/m<sup>2</sup> | |
| 3. |
When a gas is heated its viscosity will ___________ |
| A. | Increase |
| B. | Decrease |
| C. | Remain same |
| D. | Slightly increase |
| Answer» B. Decrease | |
| 4. |
Conversion of 5 Pa-s into Poise will be ____________ |
| A. | 0.5 |
| B. | 50 |
| C. | 500 |
| D. | 0.05 |
| Answer» C. 500 | |
| 5. |
The pressure is directly proportional to viscosity? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In the following Vand s equation what does , represents? = L (1+ 2.5 + 7.25 2) |
| A. | Mass fraction of solids |
| B. | Mass fraction of liquids |
| C. | Volume fraction of solids |
| D. | Volume fraction of liquids |
| Answer» D. Volume fraction of liquids | |