Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is 27/8 44078 43924 43892 27/8 44078 43924 43892 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to One-half of the total supply head One-third of the total supply head Two-third of the total supply head One-fourth of the total supply head One-half of the total supply head One-third of the total supply head Two-third of the total supply head One-fourth of the total supply head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of 1 0.75 0.8 1.2 1 0.75 0.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density Inversely as square root of density As square of density Directly as the air or gas density Inversely as density Inversely as square root of density As square of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to surface tension all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to viscosity ratio of inertial force to force due to gravitation ratio of inertial force to force due to surface tension all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to viscosity ratio of inertial force to force due to gravitation ANSWER DOWNLOAD EXAMIANS APP