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What is the specific gravity of a fluid whose specific weight is 7.85 kN/m3?
- a)0.8
- b)1
- c)1.2
- d)1.6
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
What is the specific gravity of a fluid whose specific weight is 7.85 ...
Specific weight of oil/specific weight of water.
I) SPECIFIC WEIGHT OF WATER = 9.81 KN/m3.
7.85 /9.81 = 0.8 unit less.
Most Upvoted Answer
What is the specific gravity of a fluid whose specific weight is 7.85 ...
Given: Specific weight of fluid = 7.85 kN/m3
To find: Specific gravity of fluid
Explanation:
Specific weight is defined as the weight per unit volume of a substance. It is given by the formula:
Specific weight = Weight of substance / Volume of substance
The specific gravity of a substance is defined as the ratio of its density to the density of water at a specified temperature. Mathematically,
Specific gravity = Density of substance / Density of water at specified temperature
We know that density is equal to the specific weight divided by the acceleration due to gravity (g). Hence, we can write:
Density of substance = Specific weight of substance / g
Substituting this in the formula for specific gravity, we get:
Specific gravity = (Specific weight of substance / g) / Density of water at specified temperature
= (Specific weight of substance / g) / (1000 kg/m3)
= (7.85 kN/m3 / 9.81 m/s2) / 1000 kg/m3
= 0.8
Therefore, the specific gravity of the fluid is 0.8.
Answer: Option A (0.8)
To find: Specific gravity of fluid
Explanation:
Specific weight is defined as the weight per unit volume of a substance. It is given by the formula:
Specific weight = Weight of substance / Volume of substance
The specific gravity of a substance is defined as the ratio of its density to the density of water at a specified temperature. Mathematically,
Specific gravity = Density of substance / Density of water at specified temperature
We know that density is equal to the specific weight divided by the acceleration due to gravity (g). Hence, we can write:
Density of substance = Specific weight of substance / g
Substituting this in the formula for specific gravity, we get:
Specific gravity = (Specific weight of substance / g) / Density of water at specified temperature
= (Specific weight of substance / g) / (1000 kg/m3)
= (7.85 kN/m3 / 9.81 m/s2) / 1000 kg/m3
= 0.8
Therefore, the specific gravity of the fluid is 0.8.
Answer: Option A (0.8)
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What is the specific gravity of a fluid whose specific weight is 7.85 kN/m3?a)0.8b)1c)1.2d)1.6Correct answer is option 'A'. Can you explain this answer?
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