Shreeya Khanal

Calculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level where air temperature is 15°C. Take k = 1.4 and R = 287 J/kg K.

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Mach Number Calculation for an Aircraft Problem Statement Calculate the Mach number at a point on a jet propelled aircraft […]

Calculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level where air temperature is 15°C. Take k = 1.4 and R = 287 J/kg K. Read More »

Calculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level where air temperature is 15°C. Take k = 1.4 and R = 287 J/kg K.

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Mach Number Calculation for an Aircraft Problem Statement Calculate the Mach number at a point on a jet propelled aircraft

Calculate the Mach number at a point on a jet propelled aircraft which is flying at 900 km/hour at sea-level where air temperature is 15°C. Take k = 1.4 and R = 287 J/kg K. Read More »

Find the speed of the sound wave in air at sea-level where the pressure and temperature are 9.81 N/cm² (abs.) and 20°C respectively. Take R = 287 J/kg K and k = 1.4.

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Speed of Sound Calculation Problem Statement Find the speed of the sound wave in air at sea-level where the pressure

Find the speed of the sound wave in air at sea-level where the pressure and temperature are 9.81 N/cm² (abs.) and 20°C respectively. Take R = 287 J/kg K and k = 1.4. Read More »

A gas with a velocity of 350 m/s is flowing through a horizontal pipe at a section where pressure is 8 N/cm² (absolute) and temperature is 30°C. The pipe changes in diameter and at this section the pressure is 12 N/cm² (absolute). Find the velocity of the gas at this section if the flow of the gas is adiabatic. Take R = 287 J/kg K and k = 1.4.

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Adiabatic Gas Flow Velocity Calculation Problem Statement A gas with a velocity of 350 m/s is flowing through a horizontal

A gas with a velocity of 350 m/s is flowing through a horizontal pipe at a section where pressure is 8 N/cm² (absolute) and temperature is 30°C. The pipe changes in diameter and at this section the pressure is 12 N/cm² (absolute). Find the velocity of the gas at this section if the flow of the gas is adiabatic. Take R = 287 J/kg K and k = 1.4. Read More »

A gas is flowing through a horizontal pipe of cross-sectional area of 30 cm². At a point the pressure is 30 N per cm² (gauge) and temperature 20°C. At another section the area of cross-section is 15 cm² and pressure is 25 N/cm² gauge. If the mass rate of flow of gas is 0.15 kg/s, find the velocities of the gas at these two sections, assuming an isothermal change. Take R = 287 J/kg K, and atmospheric pressure 10 N/cm².

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Gas Flow Velocity Calculation Problem Statement A gas is flowing through a horizontal pipe of cross-sectional area of 30 cm².

A gas is flowing through a horizontal pipe of cross-sectional area of 30 cm². At a point the pressure is 30 N per cm² (gauge) and temperature 20°C. At another section the area of cross-section is 15 cm² and pressure is 25 N/cm² gauge. If the mass rate of flow of gas is 0.15 kg/s, find the velocities of the gas at these two sections, assuming an isothermal change. Take R = 287 J/kg K, and atmospheric pressure 10 N/cm². Read More »

A trapezoidal channel with bottom slope 0.000169, bottom width 10 m and side slopes 1 : 1 carries 20 m³/s when Manning’s constant = 0.015. Determine the normal depth.

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Normal Depth Calculation for a Trapezoidal Channel Problem Statement A trapezoidal channel with bottom slope 0.000169, bottom width 10 m

A trapezoidal channel with bottom slope 0.000169, bottom width 10 m and side slopes 1 : 1 carries 20 m³/s when Manning’s constant = 0.015. Determine the normal depth. Read More »

Determine the length of the back water curve caused by an afflux of 1.5 m in a rectangular channel of width 50 m and depth 2.0 m. The slope of the bed is given as 1 in 2000. Take Manning’s, N = 0.03.

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Backwater Curve Length Calculation Problem Statement Determine the length of the back water curve caused by an afflux of 1.5

Determine the length of the back water curve caused by an afflux of 1.5 m in a rectangular channel of width 50 m and depth 2.0 m. The slope of the bed is given as 1 in 2000. Take Manning’s, N = 0.03. Read More »

Find the slope of the free water surface in a rectangular channel of width 15 m, having depth of flow 4 m. The discharge through the channel is 40 m³/s. The bed of the channel is having a slope of 1 in 4000. Take the value of Chezy’s constant, C = 50.

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Gradually Varied Flow – Water Surface Slope Problem Statement Find the slope of the free water surface in a rectangular

Find the slope of the free water surface in a rectangular channel of width 15 m, having depth of flow 4 m. The discharge through the channel is 40 m³/s. The bed of the channel is having a slope of 1 in 4000. Take the value of Chezy’s constant, C = 50. Read More »

Find the rate of change of depth of water in a rectangular channel of 12 m wide and 2 m deep, when the water is flowing with a velocity of 1.5 m/s. The flow of water through the channel of bed slope 1 in 3000, is regulated in such a way that energy line is having a slope of 1 in 8000.

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Gradually Varied Flow – Rate of Change of Depth Problem Statement Find the rate of change of depth of water

Find the rate of change of depth of water in a rectangular channel of 12 m wide and 2 m deep, when the water is flowing with a velocity of 1.5 m/s. The flow of water through the channel of bed slope 1 in 3000, is regulated in such a way that energy line is having a slope of 1 in 8000. Read More »

A sluice gate discharges water into a horizontal rectangular channel with a velocity of 8 m/s and depth of flow is 0.5 m. The width of the channel is 6 m. Determine whether a hydraulic jump will occur, and if so, find its height and loss of energy per kg of water. Also determine the horse power lost in the hydraulic jump.

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Hydraulic Jump Analysis in a Rectangular Channel Problem Statement A sluice gate discharges water into a horizontal rectangular channel with

A sluice gate discharges water into a horizontal rectangular channel with a velocity of 8 m/s and depth of flow is 0.5 m. The width of the channel is 6 m. Determine whether a hydraulic jump will occur, and if so, find its height and loss of energy per kg of water. Also determine the horse power lost in the hydraulic jump. Read More »

The depth of flow of water, at a certain section of a rectangular channel of 5 m wide is 0.6 m. The discharge through the channel is 15 m³/s. If a hydraulic jump takes place on the downstream side, find the loss of energy per kg of water due to hydraulic jump.

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Hydraulic Jump Energy Loss Calculation Problem Statement The depth of flow of water, at a certain section of a rectangular

The depth of flow of water, at a certain section of a rectangular channel of 5 m wide is 0.6 m. The discharge through the channel is 15 m³/s. If a hydraulic jump takes place on the downstream side, find the loss of energy per kg of water due to hydraulic jump. Read More »

The depth of flow of water, at a certain section of a rectangular channel of 5 m wide is 0.6 m. The discharge through the channel is 15 m³/s. If a hydraulic jump takes place on the downstream side, find the depth of flow after the jump.

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Hydraulic Jump Calculation Problem Statement The depth of flow of water, at a certain section of a rectangular channel of

The depth of flow of water, at a certain section of a rectangular channel of 5 m wide is 0.6 m. The discharge through the channel is 15 m³/s. If a hydraulic jump takes place on the downstream side, find the depth of flow after the jump. Read More »

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