Engineering :: Hydraulics and Fluid Mechanics
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| 1. |
The mass per unit volume of a liquid at a standard temperature and pressure is called |
| A. |
specific weight |
B. |
mass density |
| C. |
specific gravity |
D. |
none of these |
Answer: Option B
Explanation:
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| 2. |
The volume per unit mass of a liquid is called specific volume. |
Answer: Option A
Explanation:
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| 3. |
The weight per unit volume of a liquid at a standard temperature and pressure is called |
| A. |
specific weight |
B. |
mass density |
| C. |
specific gravity |
D. |
none of these |
Answer: Option A
Explanation:
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| 4. |
The specific weight of water in S.I. units is taken as |
| A. |
9.81 kN/m3 |
B. |
9.81 x 103 N/m3 |
| C. |
9.81 x 10-6 N/mm3 |
D. |
any of these |
Answer: Option D
Explanation:
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| 5. |
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called |
| A. |
density of liquid |
B. |
specific gravity of liquid |
| C. |
compressibility of liquid |
D. |
surface tension of liquid |
Answer: Option B
Explanation:
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| 6. |
The specific gravity has no units. |
Answer: Option A
Explanation:
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| 7. |
The specific gravity of water is taken as |
Answer: Option D
Explanation:
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| 8. |
The specific weight of sea water is |
| A. |
same as |
B. |
less than |
| C. |
more than |
Answer: Option C
Explanation:
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| 9. |
The density of a liquid in kg / m3 is numerically equal to its specific gravity. |
Answer: Option A
Explanation:
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| 10. |
The specific weight is also known as weight density. |
Answer: Option A
Explanation:
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