Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is More than 6 Less than unity Unity Between 1 and 6 More than 6 Less than unity Unity Between 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will simply float over the mercury The metal piece will be immersed in mercury by half Metal piece will sink to the bottom Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will simply float over the mercury The metal piece will be immersed in mercury by half Metal piece will sink to the bottom 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 0.8 1.2 0.75 1 0.8 1.2 0.75 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The runaway speed of a hydraulic turbine is the speed At which the turbine will run freely without load Corresponding to maximum overload permissible At full load At which there will be no damage to the runner At which the turbine will run freely without load Corresponding to maximum overload permissible At full load At which there will be no damage to the runner ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by All of these Installing the turbine below the tail race level Providing highly polished blades to the runner Using stainless steel runner of the turbine All of these Installing the turbine below the tail race level Providing highly polished blades to the runner Using stainless steel runner of the turbine ANSWER DOWNLOAD EXAMIANS APP
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