| 1 |
The study of fluid dynamics is |
- A. Easy
- B. Complicated
- C. Impossible
- D. None of these
|
| 2 |
Let A = Area of cross section of pipe, v = speed of fluid, then 'Av' is called. |
- A. Volume flow rate
- B. Energy flow rate
- C. Mass flow rate
- D. Pressure flow rate
|
| 3 |
The SI units of flow rate are. |
- A. m2s-1
- B. m3s-2
- C. m3s-1
- D. m2s-2
|
| 4 |
The frictional effect between the different layers of fluid is called |
- A. Terminal velocity
- B. Stock's law
- C. Viscosity
- D. Surface tension
|
| 5 |
Blood has density equal to that of |
- A. Mercury
- B. Sodium
- C. Honey
- D. Water
|
| 6 |
Opted unit to measure blood pressure is. |
- A. N/m2
- B. Pascal
- C. mm of Hg
- D. N.m2
|
| 7 |
Pressure of fluid will be low where speed of fluid is. |
- A. Low
- B. Zero
- C. High
- D. Constant
|
| 8 |
The diastolic pressure of a normal healthy person is. |
- A. 120 torr
- B. 110 torr
- C. 100 torr
- D. 75-80 torr
|
| 9 |
A 2 meter of high tank is full of water. If a hole appears at its middle, then the speed of efflux is. |
- A. 4.4 ms-1
- B. 10 ms-1
- C. 6.2 ms-1
- D. 20 ms-1
|
| 10 |
When water falls from tap, its cross sectional area decrease due to. |
- A. Decrease of speed
- B. Increase of speed
- C. Air pressure
- D. Gravity increase
|