Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of adhesion surface tension force of cohesion atmospheric pressure force of adhesion surface tension force of cohesion atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Which of the following instrument can be used for measuring speed of an aeroplane rotameter Venturimeter pitot tube Orifice plate rotameter Venturimeter pitot tube Orifice plate ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The density of water is 1000 kg/m3 at 4°C 20°C 0°K 0°C 4°C 20°C 0°K 0°C 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 : 2.5 1 :25 1 : 5 1:50 1 : 2.5 1 :25 1 : 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 200 less than 1 between 1 and 100 160 200 less than 1 between 1 and 100 160 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if All of these the area is inclined the area is horizontal the area is vertical All of these the area is inclined the area is horizontal the area is vertical ANSWER DOWNLOAD EXAMIANS APP
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