Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? an airfoil a cylinder a circular disc or plate held normal to flow a sphere an airfoil a cylinder a circular disc or plate held normal to flow a sphere ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 2/3 1/2 1/4 1/3 2/3 1/2 1/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The units of viscosity are newton-sec/metre metre2/se kg sec/metre newton-sec/metre2 newton-sec/metre metre2/se kg sec/metre newton-sec/metre2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts vertically upwards at e.g. of body at center of pressure at metacentre vertically upwards at e.g. of body at center of pressure at metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 300 337.5 675 600 300 337.5 675 600 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 1:50 1 : 5 1 :25 1 : 2.5 1:50 1 : 5 1 :25 ANSWER DOWNLOAD EXAMIANS APP