MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
If the pressure remains a constant, then ________ |
| A. | Vr1 > Vr2 |
| B. | Vr1 < Vr2 |
| C. | Vr1 = Vr2 |
| D. | Vr1 is a zero |
| Answer» D. Vr1 is a zero | |
| 2. |
The efficiency of the vane is given by_________$ |
| A. | 1-V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup> |
| B. | 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>) |
| C. | V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup> |
| D. | 1- V<sub>1</sub><sup>2</sup> |
| Answer» B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>) | |
| 3. |
Which among the following is not a type of jet engine? |
| A. | Turbojet |
| B. | Ramjet |
| C. | Scramjet |
| D. | Propulsive jet |
| Answer» E. | |
| 4. |
A turbojet does not consist of which of the following component? |
| A. | Compressor |
| B. | Combustion chamber |
| C. | Gas turbine |
| D. | Air filter |
| Answer» E. | |
| 5. |
Jet propulsion of ship in a very shallow water is needed to_________ |
| A. | Avoid sinking of the ship |
| B. | Avoid damage of the propeller |
| C. | Avoid current directions |
| D. | Avoid surface damage |
| Answer» C. Avoid current directions | |
| 6. |
Jet propulsion of ship is less efficient than screw propeller due to_______ |
| A. | Pressure |
| B. | Temperature |
| C. | Frictional losses |
| D. | Wear and tear |
| Answer» D. Wear and tear | |
| 7. |
If the pressure remains a constant, then _______? |
| A. | V<sub>r1</sub> > V<sub>r2</sub> |
| B. | V<sub>r1</sub> < V<sub>r2</sub> |
| C. | V<sub>r1</sub> = V<sub>r2</sub> |
| D. | V<sub>r1</sub> is a zero |
| Answer» D. V<sub>r1</sub> is a zero | |
| 8. |
The relative velocity is obtained by the equation_________ |
| A. | u – V<sub>1</sub> |
| B. | V1 |
| C. | u*V<sub>1</sub> |
| D. | u/V<sub>1</sub> |
| Answer» B. V1 | |
| 9. |
How is absolute velocity at inlet denoted? |
| A. | V |
| B. | V<sub>1</sub> |
| C. | C |
| D. | v |
| Answer» C. C | |
| 10. |
The force analysis on a curved vane is understood using______ |
| A. | Velocity triangles |
| B. | Angle of the plate |
| C. | Vane angles |
| D. | Plate dimensions |
| Answer» B. Angle of the plate | |
| 11. |
Principle of fluid mechanics works on the utilization of________ |
| A. | Accelerating mass |
| B. | Volume |
| C. | Work |
| D. | Velocity |
| Answer» D. Velocity | |