Solved numericals

Solved numericalA vertical sluice gate is used to cover an opening in a dam. The opening is 2 m wide and 1.2 m high. On the up…Water Resources · 4 min read

Solved numericalA trapezoidal channel 2 m wide at the bottom and 1 m deep has side slopes of 1:1. Determine: (i) the total pre…Water Resources · 3 min read

Solved numericalA circular opening, 3 m diameter, in a vertical side of a tank is closed by a disc of 3 m diameter which can r…Water Resources · 3 min read

Solved numericalDetermine the total pressure on a circular plate of diameter 1.5 m which is placed vertically in water in such…Water Resources · 2 min read
Solved numericalFind the drag force difference on a flat plate of size 1.5 m x 1.5 m when the plate is moving at a speed of 5…Water Resources · 1 min read
Solved numericalA flat plate 2 m x 2 m moves at 40 km/hour in stationary air of density 1.25 kg/m³. If the co-efficient of dra…Water Resources · 1 min read
Solved numericalFind the Mach number when an aeroplane is flying at 1000 km/hour through still air having pressure of 7 N/cm²…Water Resources · 1 min read
Solved numericalCalculate the numerical factor by which the actual pressure difference shown by the gauge of a pitot-tube shou…Water Resources · 1 min read
Solved numericalFind the mass rate of flow of air through a venturimeter having inlet diameter as 400 mm and throat diameter 2…Water Resources · 2 min read
Solved numericalA nozzle of diameter 20 mm is fitted to a large tank which contains air at 20°C. The air flows from the tank i…Water Resources · 2 min read
Solved numericalFind the velocity of air flowing at the outlet of a nozzle, fitted to a large vessel which contains air at a p…Water Resources · 2 min read
Solved numericalA gas is flowing through a horizontal pipe of cross-sectional area of 30 cm². At a point the pressure is 30 N…Water Resources · 2 min read
Solved numericalFind the Mach number when an aeroplane is flying at 900 km/hour through still air having a pressure of 8.0 N/c…Water Resources · 1 min read
Solved numericalA projectile travels in air of pressure 8.829 N/cm² at -10°C at a speed of 1200 km/hour. Find the Mach number…Water Resources · 2 min read
Solved numericalA projectile is travelling in air having pressure and temperature as 8.829 N/cm² and – 5°C. If the Mach…Water Resources · 2 min read
Solved numericalAn aeroplane is flying at an height of 20 km, where the temperature is – 40°C. The speed of the plane is…Water Resources · 1 min read
Solved numericalCalculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level w…Water Resources · 2 min read
Solved numericalCalculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level w…Water Resources · 2 min read