Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is directly proportional to Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number 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 Reynolds number and independent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at center of pressure at e.g. of body vertically upwards at metacentre at center of pressure at e.g. of body vertically upwards at metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A fluid is said to be ideal, if it is inviscous and incompressible inviscous and compressible inviscous incompressible inviscous and incompressible inviscous and compressible inviscous incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium All of these center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. a righting couple should be formed All of these center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. a righting couple should be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NEWTONS NEW TONS/M NEWTONS/M NETON/M NEWTONS NEW TONS/M NEWTONS/M NETON/M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.6 M 4.0 M 4.8 M 4.2 M 4.6 M 4.0 M 4.8 M 4.2 M ANSWER DOWNLOAD EXAMIANS APP