Entry Test MCQ :: Fluid Dynamics
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| 1. |
Coefficient of viscosity of honey is greater than |
Answer: Option D
Explanation:
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| 2. |
The dimensions of coefficient of visocisity are |
| A. |
ML-1T-1 |
B. |
M2L1T1 |
| C. |
ML1T-1 |
D. |
M2L-1T-1 |
Answer: Option A
Explanation:
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| 3. |
Terminal velocity is |
| A. |
uniform |
B. |
maximum |
| C. |
uniform and maximum |
D. |
neither uniform nor maximum |
Answer: Option C
Explanation:
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| 4. |
When body moves with terminal velocity the accereration in the body become |
| A. |
zero |
B. |
maximum |
| C. |
variable |
D. |
infinite |
Answer: Option A
Explanation:
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| 5. |
Terminal velocity is given by equation |
| A. |
Vt = gr2?? |
B. |
Vt = 2gr2?/9? |
| C. |
Vt = gr2?/9? |
D. |
Vt = 9gr2?/2? |
Answer: Option B
Explanation:
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| 6. |
Terminal velocity of the body is directly proportional to the |
| A. |
radius of the body |
B. |
diameter of the body |
| C. |
size of the body |
D. |
square of the diameter of the body |
Answer: Option D
Explanation:
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| 7. |
The flow of ideal fluid is always |
| A. |
turbulent |
B. |
streamline |
| C. |
irregular |
D. |
straight line |
Answer: Option B
Explanation:
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| 8. |
Drag force is given by |
| A. |
Newtons law |
B. |
Pascals law |
| C. |
Gauss law |
D. |
Stokes law |
Answer: Option D
Explanation:
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| 9. |
When fluid is incompressible then |
| A. |
velocity of the fluid is constant |
B. |
flow of the fluid is straight line |
| C. |
density of the fluid is constant |
D. |
volume of the fluid is constant |
Answer: Option C
Explanation:
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| 10. |
Irregular flow of fluid is called |
| A. |
streamline |
B. |
turbulent |
| C. |
uniform |
D. |
laminar |
Answer: Option B
Explanation:
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