Hydraulics & Fluid Mechanics The region between the separation streamline and the boundary surface of the solid body is known as boundary layer lift wake drag boundary layer lift wake drag 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 cohesion force of friction force of diffusion force of adhesion force of cohesion force of friction force of diffusion force of adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) 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 10 m/sec 25 m/sec 2 m/sec 50 m/sec 10 m/sec 25 m/sec 2 m/sec 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 ? 1:50 1 :25 1 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
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 frictionless flow steady flow uniform flow incompressible flow frictionless flow steady flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
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