Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (a)p = Txr (d)p = 2T/r (b)p = T/r p = T/2r (a)p = Txr (d)p = 2T/r (b)p = T/r p = T/2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of viscosity friction surface tension cohesion viscosity friction surface tension cohesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of turbulent flow smooth and streamline flow highly turbulent flow. LAMINAR FLOW turbulent flow smooth and streamline flow highly turbulent flow. LAMINAR FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Normal depth in open channel flow is the depth of flow corresponding to Steady flow unsteady flow laminar flow uniform flow Steady flow unsteady flow laminar flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
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 directly proportional to Reynolds number and independent of 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 inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to Reynolds number and independent of 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a sphere a cylinder an airfoil a circular disc or plate held normal to flow a sphere a cylinder an airfoil a circular disc or plate held normal to flow ANSWER DOWNLOAD EXAMIANS APP