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 A perfect gas None of these is of theoretical interest has constant viscosity is incompressible None of these is of theoretical interest has constant viscosity is incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains All of these dissolved air suspended matter dissolved salt All of these dissolved air suspended matter dissolved salt ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when head loss and discharge are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems length and diameter are same in two systems head loss and discharge are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems length and diameter are same in two systems 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 TURBULENT FLOW NOT PREDICTABLE FROM THE GIVEN DATA LAMINAR FLOW TRANSITION FLOW TURBULENT FLOW NOT PREDICTABLE FROM THE GIVEN DATA LAMINAR FLOW TRANSITION FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 160 200 less than 1 between 1 and 100 160 200 less than 1 between 1 and 100 ANSWER DOWNLOAD EXAMIANS APP
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