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 : 5 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 1:50 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 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 weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is (i)and(iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of highly turbulent flow. turbulent flow LAMINAR FLOW smooth and streamline flow highly turbulent flow. turbulent flow LAMINAR FLOW smooth and streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Fluid is a substance that cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion cannot remain at rest under action of any shear force always expands until it fills any container cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion cannot remain at rest under action of any shear force always expands until it fills any container ANSWER DOWNLOAD EXAMIANS APP
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