Find the discharge through the rectangular channel (3 m wide, 2 m deep, slope 1 in 1500), taking the value of N = 0.012 in Manning’s formula. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Shreeya Khanal / August 6, 2025
A turbine is to operate under a head of 30 m at 300 r.p.m. The discharge is 10 m³/s. If the efficiency is 90%, determine : (i) specific speed of the machine, (ii) power generated, and (iii) types of the turbine. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Shreeya Khanal / August 2, 2025
The surface tension of water in contact with air is given as 0.0725 N/m. The pressure outside a droplet of water of diameter 0.02 mm is atmospheric (10.32 N/cm²). Calculate the pressure within the droplet of water. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Ashok Sapkota / July 28, 2025
A trapezoidal channel 2 m wide at the bottom and 1 m deep has side slopes of 1:1. Determine: (i) the total pressure, and (ii) the centre of pressure on the vertical gate closing the channel when it is full of water. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Ashok Sapkota / September 13, 2025
The water is on the right side of the curved surface AB, which is one quarter of a circle of radius 1.3m. The tank’s length is 2.1m. Find the horizontal and vertical component of the hydrostatic acting on the curved surface. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Ashok Sapkota / January 21, 2025
A horizontal venturimeter with inlet and throat diameters of 400mm and 200mm respectively, is connected to a pipe. If the pressure in the inlet portion is 200KPa and the vacuum pressure (negative) on the throat is 400mm of mercury, find the rate of flow in the pipe taking Cd = 0.97. Leave a Comment / Flow measurement, Fluid Mechanics, Numerical (Water) / By Ashok Sapkota / March 12, 2025
A power canal of trapezoidal section has to be excavated through hard clay at the least cost. Determine the dimensions of the channel given, discharge equal to 15 m³/s, bed slope 1 : 2000 and Manning’s, N = 0.020. Leave a Comment / Fluid Mechanics, Numerical (Water) / By Shreeya Khanal / August 8, 2025
Determine the magnitude of resultant force and its direction on the vane shown in the figure below if a water jet of 50mm diameter and 20m/s velocity strikes the vane tangentially and deflects without friction. Leave a Comment / Application of Momentum Principle, Fluid Mechanics, Numerical (Water) / By Ashok Sapkota / March 21, 2025
