Fluids & Elasticity
Pressure, buoyancy, Bernoulli's theorem, viscosity, surface tension, stress-strain.
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पूरा मॉक दीजिए →Q1 · Fluids & Elasticity · EASY
A U-tube contains water and oil (relative density 0.8) as shown. The oil column in one limb is 10 cm. If the water column in the other limb stands 2 cm above the oil-water interface, the height of the oil column above the common oil-water interface level is:
Q2 · Fluids & Elasticity · EASY
Water flows through a horizontal pipe of varying cross-section. At a point where the cross-sectional area is 4 cm², the pressure is 2 × 10⁵ Pa and velocity is 2 m/s. At another point where the area is 2 cm², the pressure is (density of water = 1000 kg/m³):
Q3 · Fluids & Elasticity · EASY
Water flows through a horizontal pipe of varying cross-section. At a point where the cross-sectional area is 20 cm², the velocity is 2 m/s and pressure is 8 × 10⁴ Pa. What is the pressure at another point where the cross-sectional area is 10 cm²? (Density of water = 1000 kg/m³)
Q4 · Fluids & Elasticity · MEDIUM
A cylindrical container of cross-sectional area A contains water up to height h. A small circular orifice of area a (a << A) is made at the bottom of the container. If the coefficient of discharge is 0.6, what is the time required to empty the container completely?