Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the volume of the floating body displaced volume of the fluid submerged body volume of the fluid vertically above the body volume of the floating body displaced volume of the fluid submerged body volume of the fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 0°K 20°C 0°C 4°C 0°K 20°C 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP
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 In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 50 M/SEC 40 M/SEC 33 M/SEC 22.5 M/SEC 50 M/SEC 40 M/SEC 33 M/SEC 22.5 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 10 m/sec 25 m/sec 2 m/sec 50 m/sec 10 m/sec 25 m/sec 2 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Operation of McLeod gauge used for low pressure measurement is based on the principle of Charle’s law gas law Boyle’s law Pascal’s law Charle’s law gas law Boyle’s law Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
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