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 9.75 m/sec² 9.81 m/sec² 10.2/m sec 10m/sec² 9.75 m/sec² 9.81 m/sec² 10.2/m sec 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 less than 1 160 between 1 and 100 200 less than 1 160 between 1 and 100 200 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 : 2.5 1 : 5 1:50 1 :25 1 : 2.5 1 : 5 1:50 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in stable equilibrium, its metacentre should be between e.g. and center of pressure below the center of buoyancy above the center of buoyancy above the center of gravity. between e.g. and center of pressure below the center of buoyancy above the center of buoyancy above the center of gravity. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains suspended matter All of these dissolved air dissolved salt suspended matter All of these dissolved air dissolved salt ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? an airfoil a circular disc or plate held normal to flow a sphere a cylinder an airfoil a circular disc or plate held normal to flow a sphere a cylinder ANSWER DOWNLOAD EXAMIANS APP