Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 1/2 R 3/4 R 1/3 R 2/3 R 1/2 R 3/4 R 1/3 R 2/3 R 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 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 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 between 1 and 100 160 200 less than 1 between 1 and 100 160 200 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 10m/sec² 9.81 m/sec² 10.2/m sec 9.75 m/sec² 10m/sec² 9.81 m/sec² 10.2/m sec 9.75 m/sec² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow of water in a pipe about 3 meters in diameter can be measured by venturi orifice plate rotameter pitot tube venturi orifice plate rotameter pitot tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Fluid is a substance that cannot remain at rest under action of any shear force has the same shear stress.at a point regardless of its motion cannot be subjected to shear forces always expands until it fills any container cannot remain at rest under action of any shear force has the same shear stress.at a point regardless of its motion cannot be subjected to shear forces always expands until it fills any container ANSWER DOWNLOAD EXAMIANS APP
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