Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r²/2g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/4g π w ω² r²/2g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It has low surface tension It is clearly visible It can provide longer column due to low density It has low vapour pressure It has low surface tension It is clearly visible It can provide longer column due to low density It has low vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Radial Bent forward Bent backward Straight Radial Bent forward Bent backward Straight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of pressure compared to e.g. is At same point Above it Above or below depending on area of body Below it At same point Above it Above or below depending on area of body Below it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
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