Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Actual work available at the turbine to energy imparted to the wheel None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Actual work available at the turbine to energy imparted to the wheel None of these Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dimensions of surface tension are ML r² ML²T² ML°T ML°T⁻² ML r² ML²T² ML°T ML°T⁻² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if The area is vertical All of these The area is inclined The area is horizontal The area is vertical All of these The area is inclined The area is horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity increases with pressure is independent of pressure and viscosity has the dimensions of 1/pressure is large when fluid is more compressible increases with pressure is independent of pressure and viscosity has the dimensions of 1/pressure is large when fluid is more compressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube is constant over the cross-section varies linearly from zero at walls to maximum at centre None of these varies parabolically with maximum at the centre is constant over the cross-section varies linearly from zero at walls to maximum at centre None of these varies parabolically with maximum at the centre ANSWER DOWNLOAD EXAMIANS APP