Question 71 : What is the specific gravity of a substance with mass 10 kg and volume 2 m³, with respect to the reference density 50 g/m³?
1. 0.1
2. 0.2
3. 0.3
4. 0.4
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Question 72 : What is the specific gravity of a substance with density 100 kg/m³ with respect to reference substance of density 100 lb/m³?
1. 1.1
2. 2.2
3. 3.3
4. 4.4
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Question 73 : What is the unit of specific gravity?
1. Kg/m³
2. N/m³
3. m/s²
4. Dimensionless
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Question 74 : A cylinder completely filled with water has density = 10 kg/m³ and volume 5 m³ , now a cube with side 1 m and density 25 kg/m³ is dipped into the cylinder with some water dropping out, what is the final density of cylinder?(neglect the mass of cylinder)
1. 13 kg/m³
2. 15 kg/m³
3. 17 kg/m³
4. 19 kg/m³
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Question 75 : An empty vessel has with mass 5 kg with volume 0.1 m³, is now completely filled with a liquid of density 100 kg/m³, what is the final density of the cylinder?
1. 50 kg/m³
2. 100 kg/m³
3. 150 kg/m³
4. 200 kg/m³
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Question 76 : What is the mass of a cube having surface area 24 m², and density 1 kg/m³?
1. 1 kg
2. 2 kg
3. 4 kg
4. 8 kg
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Question 77 : What is the mass of a liquid having density 20 kg/m³, enclosed in a sphere of radius 1 m?
1. 80.7 kg
2. 83.7 kg
3. 85.7 kg
4. 88.7 kg
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Question 78 : What is the density of a liquid of mass 10 kg and contained in a cylinder of radius 5 m and surface area (excluding top and bottom) of 10p m²?
1. 0.2p kg/m³
2. 0.4p kg/m³
3. 0.5p kg/m³
4. 0.6p kg/m³
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Question 79 : What is the density of a liquid of mass 20 kg, enclosed in a cuboid of surface areas of three sides as 1 m², 2 m², 5 m², and one of its sides is 2 m?
1. 1 kg/m³
2. 2 kg/m³
3. 3 kg/m³
4. 4 kg/m³
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Question 80 : A liquid of mass 10 kg is enclosed in a cylinder of radius 1 m and length 5 m, what is the density of liquid?
1. 0.54 kg/m³
2. 0.44 kg/m³
3. 0.63 kg/m³
4. 0.83 kg/m³
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