Q. Calculate the density, specific weight and weight of one litre of petrol of specific gravity = 0.7. SOLUTION: Volume 1 litre = 1 x 1000 cm³ =1000/10^6= 0.001m³ Sp. gravity S =0.7 (1) DENSITY Density (p) = S x 1000 kg/m³ = 0.7 x 1000= 700 kg/m³ (II) SPECIFIC GRAVITY (W) w =ρ *g … Read more
Q. If 12m ^ 3 of mercury weights 1590 kN, Calculate specific weight, mass density, specific gravity and specific volume. SOLUTION: Given data: Weight of mercury W = 1590kN = 1590 * 1000N Volume, V = 12m ^ 3 Specific weight = ? Specific gravity = ? Mass density = ? Specific volume = ? … Read more
Q. Calculate the Specific weight and mass density of an oil of weight 150 kN and occupies a volume of 15 m³. SOLUTION Weight of oil, W = 150kN = 150 * 1000N Volume of oil V = 15m ^ 3 Specific weight of oil w = ? Mass density ρ = ? SPECIFIC WEIGHT … Read more
Q. Calculate the specific mass, specific weight and specifie gravity of one litre of liquid their weights 12N. Solution: Volume of liquid V = 1 litre Weight of liquid w = 12N MASS m = w/g = 12/9.81 = 1.223kg SPECIFIC MASS = mass/ volume = (1223g)/(1000c * m ^ 3) = 1.223g / cm^3 … Read more
Properties of fluids Properties of Fluids mainly possesses the following properties : 1. Mass density 2. Specific Weight 3. Specific volume 4. Specific gravity 5. Compressibility 6. Viscosity 7. Surface tension 8. Capillarity Mass Density Mass density (or specific mass) of a fluid is its mass per unit volume. It is denoted … Read more