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 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 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 displaced volume of the fluid volume of the floating body submerged body volume of the fluid vertically above the body displaced volume of the fluid volume of the floating body submerged body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and shape of the cross section in a particular length remain constant the flow is steady the flow is streamline size and cross section change uniformly along length size and shape of the cross section in a particular length remain constant the flow is steady the flow is streamline size and cross section change uniformly along length ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Separation of flow occurs when the cross-section of a channel is reduced the boundary layer comes to rest the pressure intensity reaches a minimum All of these the cross-section of a channel is reduced the boundary layer comes to rest the pressure intensity reaches a minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of friction force of cohesion force of adhesion force of diffusion force of friction force of cohesion force of adhesion force of diffusion ANSWER DOWNLOAD EXAMIANS APP
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