Hydraulics & Fluid Mechanics The Prartdtl mixing length is None of these independent of shear stress maximum at the pipe wall zero at the pipe wall None of these independent of shear stress maximum at the pipe wall zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area None of these always below the centroid of the area always above the centroid of the area at the centroid of the submerged area 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 ? 2 m/sec 50 m/sec 10 m/sec 25 m/sec 2 m/sec 50 m/sec 10 m/sec 25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of turbulent flow LAMINAR FLOW smooth and streamline flow highly turbulent flow. turbulent flow LAMINAR FLOW smooth and streamline flow highly turbulent 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 :25 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 1:50 1 : 5 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 a circular disc or plate held normal to flow an airfoil a sphere a cylinder a circular disc or plate held normal to flow an airfoil ANSWER DOWNLOAD EXAMIANS APP
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