Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Boyle’s law Charle’s law Pascal’s law gas law Boyle’s law Charle’s law Pascal’s law gas law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a circular disc or plate held normal to flow a sphere an airfoil a cylinder a circular disc or plate held normal to flow a sphere an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in stable equilibrium, its metacentre should be below the center of buoyancy above the center of buoyancy above the center of gravity. between e.g. and center of pressure below the center of buoyancy above the center of buoyancy above the center of gravity. between e.g. and center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its specific weight specific gravity specific mass specific density specific weight specific gravity specific mass specific density ANSWER DOWNLOAD EXAMIANS APP
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