| 1 |
The word Fluid means |
- A. To rise
- B. To fall
- C. To flow
- D. To oppose
|
| 2 |
Air blows from |
- A. High pressure to low pressure
- B. Low pressure to high pressure
- C. Low temperature to high temperature
- D. High temperature to low temperature
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| 3 |
The product of cross sectional area of a pipe and speed of fluid along the pipe is |
- A. Zero
- B. Maximum
- C. Constant
- D. Variable
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| 4 |
A fog droplets are in freely falling condition,. the ratio of their radii is 2:3, the ratio of their terminal velocities will be. |
- A. 2:3
- B. 4:6
- C. 4:9
- D. 9:4
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| 5 |
If the radius of droplet becomes half, then its terminal velocity will become. |
- A. Double
- B. Half
- C. One fourth
- D. Remains same
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| 6 |
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
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| 7 |
The law of conservation of energy is the basis of. |
- A. Stream line flow
- B. Equation of continuity
- C. Bernoulli's equation
- D. Venture relation
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| 8 |
The concentration of red blood cells in the blood is nearly. |
- A. 40%
- B. 60%
- C. 25%
- D. 50%
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| 9 |
The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is. |
- A. 1 : 2
- B. 2 : 1
- C. 1 : 4
- D. 4 : 1
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| 10 |
Torricelli's theorem is given by |
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