Fluid Mechanics The ratio of inertial forces to gravity forces is called the __________ number. Weber Euler Froude Mach Weber Euler Froude Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Thermal conductivity Electrical conductivity Specific gravity Electrical resistivity Thermal conductivity Electrical conductivity Specific gravity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 12.4 1.8 186.2 736.4 12.4 1.8 186.2 736.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.2 Vavg 1.5 Vavg 1.8 Vavg Vavg 1.2 Vavg 1.5 Vavg 1.8 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Is effective over wide range of viscosities Produces only tangential current Produces only radial current Does not produce tangential current Is effective over wide range of viscosities Produces only tangential current Produces only radial current Does not produce tangential current ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Data insufficient to predict pressure drop Remain same Decrease Increase Data insufficient to predict pressure drop Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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