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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The Prartdtl mixing length is independent of shear stress maximum at the pipe wall None of these zero at the pipe wall independent of shear stress maximum at the pipe wall None of these zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane Venturimeter pitot tube Orifice plate rotameter Venturimeter pitot tube Orifice plate rotameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW TRANSITION FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TURBULENT FLOW TRANSITION FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Normal depth in open channel flow is the depth of flow corresponding to laminar flow Steady flow unsteady flow uniform flow laminar flow Steady flow unsteady flow uniform flow 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.) frictionless flow uniform flow incompressible flow steady flow frictionless flow uniform flow incompressible flow steady flow ANSWER DOWNLOAD EXAMIANS APP