Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) incompressible flow steady flow frictionless flow uniform flow incompressible flow steady flow frictionless flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at center of pressure at e.g. of body at metacentre vertically upwards at center of pressure at e.g. of body at metacentre vertically upwards ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centroid of the 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 volume of the floating body displaced volume of the fluid submerged body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder an airfoil a sphere a circular disc or plate held normal to flow a cylinder an airfoil a sphere a circular disc or plate held normal to flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A fluid is said to be ideal, if it is inviscous and incompressible incompressible inviscous and compressible inviscous inviscous and incompressible incompressible inviscous and compressible inviscous ANSWER DOWNLOAD EXAMIANS APP
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