Hydraulics & Fluid Mechanics A perfect gas is incompressible None of these has constant viscosity is of theoretical interest is incompressible None of these has constant viscosity is of theoretical interest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress zero at the pipe wall None of these maximum at the pipe wall independent of shear stress zero at the pipe wall None of these maximum at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are metre2/se kg sec/metre newton-sec/metre newton-sec/metre2 metre2/se kg sec/metre newton-sec/metre newton-sec/metre2 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 10 m/sec 25 m/sec 50 m/sec 2 m/sec 10 m/sec 25 m/sec 50 m/sec 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 a cylinder an airfoil a sphere a circular disc or plate held normal to flow a cylinder an airfoil a sphere ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the cross-section of a channel is reduced All of these the pressure intensity reaches a minimum the boundary layer comes to rest the cross-section of a channel is reduced All of these the pressure intensity reaches a minimum the boundary layer comes to rest ANSWER DOWNLOAD EXAMIANS APP