Hydraulics & Fluid Mechanics The Prartdtl mixing length is zero at the pipe wall maximum at the pipe wall None of these independent of shear stress zero at the pipe wall maximum at the pipe wall None of these independent of shear stress 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 length of pipe and discharge are same in two systems friction factor and length are same in two systems length and diameter are same in two systems head loss and discharge are same in two systems length of pipe and discharge are same in two systems friction factor and length are same in two systems length and diameter are same in two systems 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 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 300 675 337.5 600 300 675 337.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to the weight of the body less than the weight of the body weight of the fluid displaced by the body more than the weight of the body the weight of the body less than the weight of the body weight of the fluid displaced by the body more than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane pitot tube Orifice plate Venturimeter rotameter pitot tube Orifice plate Venturimeter rotameter ANSWER DOWNLOAD EXAMIANS APP
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