Hydraulics & Fluid Mechanics The resultant of all normal pressures acts vertically upwards at e.g. of body at metacentre at center of pressure vertically upwards at e.g. of body at metacentre at center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section constant over the cross section zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section constant over the cross section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a sphere 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 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 (iii) (i), (ii) and (iii) (i) and (ii) (ii) and (iii) (i) and (iii) (i), (ii) and (iii) (i) and (ii) 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 1/3 1/2 1/4 2/3 1/3 1/2 1/4 ANSWER DOWNLOAD EXAMIANS APP
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