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Calculate the specific weight and weight of 20dm3 of petrol of specific gravity 0.6.
- a)5886,117.2
- b)5886,234.2
- c)11772,117.2
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Calculate the specific weight and weight of 20dm3of petrol of specific...
Specific weight = density*acceleration due to gravity
=.6*1000*9.81=5886N/m3
Weight=volume*specific weight
=5886*0.02=117.2N.
Most Upvoted Answer
Calculate the specific weight and weight of 20dm3of petrol of specific...
Calculation of Specific Weight and Weight of Petrol
Given, specific gravity of petrol = 0.6
Volume of petrol = 20 dm3
1. Calculation of Specific Weight
Specific weight is the weight of a substance per unit volume. We can calculate the specific weight of petrol using the formula:
Specific weight = Specific gravity x Density of water
The density of water is 1000 kg/m3 or 1 kg/dm3. Therefore, the specific weight of petrol can be calculated as:
Specific weight = 0.6 x 1 kg/dm3 = 0.6 kg/dm3
2. Calculation of Weight of Petrol
The weight of petrol can be calculated using the formula:
Weight = Volume x Density
The density of petrol can be calculated using the specific gravity and density of water. The density of water is 1 kg/dm3 and the specific gravity of petrol is 0.6. Therefore, the density of petrol can be calculated as:
Density of petrol = 0.6 x 1 kg/dm3 = 0.6 kg/dm3
The weight of petrol can be calculated as:
Weight = 20 dm3 x 0.6 kg/dm3 = 12 kg
Therefore, the specific weight of petrol is 0.6 kg/dm3 and the weight of 20 dm3 of petrol is 12 kg.
Hence, the correct answer is option 'A' (5886.1172).
Given, specific gravity of petrol = 0.6
Volume of petrol = 20 dm3
1. Calculation of Specific Weight
Specific weight is the weight of a substance per unit volume. We can calculate the specific weight of petrol using the formula:
Specific weight = Specific gravity x Density of water
The density of water is 1000 kg/m3 or 1 kg/dm3. Therefore, the specific weight of petrol can be calculated as:
Specific weight = 0.6 x 1 kg/dm3 = 0.6 kg/dm3
2. Calculation of Weight of Petrol
The weight of petrol can be calculated using the formula:
Weight = Volume x Density
The density of petrol can be calculated using the specific gravity and density of water. The density of water is 1 kg/dm3 and the specific gravity of petrol is 0.6. Therefore, the density of petrol can be calculated as:
Density of petrol = 0.6 x 1 kg/dm3 = 0.6 kg/dm3
The weight of petrol can be calculated as:
Weight = 20 dm3 x 0.6 kg/dm3 = 12 kg
Therefore, the specific weight of petrol is 0.6 kg/dm3 and the weight of 20 dm3 of petrol is 12 kg.
Hence, the correct answer is option 'A' (5886.1172).
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Calculate the specific weight and weight of 20dm3of petrol of specific gravity 0.6.a)5886,117.2b)5886,234.2c)11772,117.2d)None of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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