Hydraulics & Fluid Mechanics A large Roynold number is indication of smooth and streamline flow LAMINAR FLOW turbulent flow highly turbulent flow. smooth and streamline flow LAMINAR FLOW turbulent flow highly turbulent flow. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? 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 a sphere a cylinder 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 ? 50 m/sec 25 m/sec 10 m/sec 2 m/sec 50 m/sec 25 m/sec 10 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H1/2 H5’4 where H is head. H3’2 H5/2 H1/2 H5’4 where H is head. H3’2 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 at the centroid of the submerged area None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area None of these always above the centroid of the area always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head) H/3 H/2 2 H/5 2 H/3 H/3 H/2 2 H/5 2 H/3 ANSWER DOWNLOAD EXAMIANS APP
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