Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane Orifice plate pitot tube rotameter Venturimeter Orifice plate pitot tube rotameter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of gravity of any submerged body center of the volume of floating body centriod of the displaced volume of fluid centroid of the volume of fluid vertically above the body center of gravity of any submerged body center of the volume of floating body 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 200 160 between 1 and 100 less than 1 200 160 between 1 and 100 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H3’2 H1/2 H5’4 where H is head. H5/2 H3’2 H1/2 H5’4 where H is head. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will remain same increase decrease increase/decrease depending on depth of immersion remain same increase decrease increase/decrease depending on depth of immersion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Drag force is a function of i) projected area of the body ii) mass density of the fluid iii) velocity of the body The correct answer is (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) (ii) and (iii) (i) and (ii) (i) and (iii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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