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
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 :25 1 : 2.5 1:50 1 : 5 1 :25 1 : 2.5 1:50 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and shape of the cross section in a particular length remain constant the flow is streamline size and cross section change uniformly along length the flow is steady size and shape of the cross section in a particular length remain constant the flow is streamline size and cross section change uniformly along length the flow is steady ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of highly turbulent flow. turbulent flow smooth and streamline flow LAMINAR FLOW highly turbulent flow. turbulent flow smooth and streamline flow LAMINAR FLOW ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NETON/M NEW TONS/M NEWTONS NEWTONS/M NETON/M NEW TONS/M NEWTONS NEWTONS/M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Fluid is a substance that cannot remain at rest under action of any shear force cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion always expands until it fills any container cannot remain at rest under action of any shear force cannot be subjected to shear forces has the same shear stress.at a point regardless of its motion always expands until it fills any container ANSWER DOWNLOAD EXAMIANS APP
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