MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your GATE practice papers - Mechanical knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following sentences are true for turbulent flow(1) The frictional resistance is proportional to the square of the velocity(2) The frictional resistance is independent of the pressure(3) The frictional resistance is proportional to the density of fluid(4) The frictional resistance slightly varies with temperature(Marks: 02) |
| A. | sentences (1), (2) and (3) are correct |
| B. | sentences (2), (3) and (4) are correct |
| C. | sentences (1), (2) and (4) are correct |
| D. | all the sentences are correct |
| Answer» E. | |
| 2. |
The velocity at which the fluid flow changes from viscous flow to a turbulent flow is called as ___________(Marks: 02) |
| A. | laminar velocity of fluid flow |
| B. | turbulent velocity of fluid flow |
| C. | critical velocity of fluid flow |
| D. | none of the above |
| Answer» D. none of the above | |
| 3. |
Which of the following is actually an ideal fluid?(Marks: 02) |
| A. | air |
| B. | water |
| C. | oil |
| D. | none of the above |
| Answer» E. | |
| 4. |
The ratio of weight of fluid to the volume of the fluid is called as _________(Marks: 01) |
| A. | partial weight |
| B. | partial volume |
| C. | specific weight |
| D. | specific volume |
| Answer» D. specific volume | |