PrepBharat

1. Mass per unit volume is called
a) Density
b) Molecular weight
c) Molar mass
d) Mole fraction

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2. Densities for ________ and ________do not change significantly at ordinary conditions with pressure.
a) Gas, liquids
b) Liquids, solids
c) Solids, gas
d) None of the mentioned

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3. Specific volume is the inverse of
a) Volume
b) Pressure
c) Density
d) Flow rate

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4. Specific gravity is the ratio of density of a substance to the density of a reference material.
The above given statement is
a) True
b) False
c) Only for some specific materials
d) None of the mentioned

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5. Density of water is
a) 1 gm/cm³
b) 1000 Kg/m³
c) 62.43 lb/ft³
d) All of the mentioned

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6. Specific gravity = 0.80 26˚/4˚ notation represents
a) Specific gravity when the solution is at 26˚C and the reference substance is at 4˚C is 0.80
b) Specific gravity when the solution is at 4˚C and the reference substance is at 26˚C is 0.80
c) Both a and b
d) Neither a nor b

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7. Specific gravity of a liquid is 2.39. What is the density of the liquid in g/cm³?
a) 2.39
b) 2.3910²
c) 2.39×10³
d) None of the mentioned

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8. Specific gravity of a liquid is 2.39. What is the density of the liquid in kg/m3?
a) 2.39×10³
b) 2.39
c) 2.39×10²
d) None of the mentioned

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9. Specific gravity of a substance is 2.42. What is the density of the substance in lb/ft³?
a) 151
b) 252
c) 302
d) 402

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10. Mass that a cube contains is 40 gm and having side length of 1 cm. What is the density of the material inside the cube?
a) 40 gm/cm³
b) 20 gm/cm³
c) 10 gm/cm³
d) None of the mentioned

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