Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is less more same more or less depending on size of glass tube less more same more or less depending on size of glass tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible None of these is of theoretical interest has constant viscosity is incompressible None of these is of theoretical interest has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is between 1 and 100 200 160 less than 1 between 1 and 100 200 160 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Pascal’s law Charle’s law Boyle’s law gas law Pascal’s law Charle’s law Boyle’s law gas law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) uniform flow frictionless flow incompressible flow steady flow uniform flow frictionless flow incompressible flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Mercury is often used in barometer because the height of barometer will be less it is the best liquid both (B) and (C) its vapour pressure is so low that it may be neglected the height of barometer will be less it is the best liquid both (B) and (C) its vapour pressure is so low that it may be neglected ANSWER DOWNLOAD EXAMIANS APP