Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a sphere a circular disc or plate held normal to flow a cylinder an airfoil a sphere a circular disc or plate held normal to flow a cylinder an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics SURFACE TENSION HAS THE UNITS OF NEW TONS/M NEWTONS NETON/M NEWTONS/M NEW TONS/M NEWTONS NETON/M NEWTONS/M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 2/3 R 3/4 R 1/3 R 1/2 R 2/3 R 3/4 R 1/3 R 1/2 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be negative value maximum could be any value minimum negative value maximum could be any value minimum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid only when the fluid is frictionless only when the fluid is incompressible and has zero viscosity When there is no motion of one fluid layer relative to an adjacent layer irrespective of the motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless only when the fluid is incompressible and has zero viscosity When there is no motion of one fluid layer relative to an adjacent layer irrespective of the motion of one fluid layer relative to an adjacent layer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when head loss and discharge are same in two systems length of pipe and discharge are same in two systems friction factor and length are same in two systems length and diameter are same in two systems head loss and discharge are same in two systems length of pipe and discharge are same in two systems friction factor and length are same in two systems length and diameter are same in two systems ANSWER DOWNLOAD EXAMIANS APP
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