Home→ Fluid Mechanics →In series-pipe problems_______________?

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__________?
The hydraulic grade line is__________?
The wake__________?
A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be__________?
The Prartdtl mixing length is__________?
The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is__________?
Separation of flow occurs when__________?
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to__________?
In which of the following the friction drag is generally larger than pressure drag?
When an ideal fluid flows past a sphere__________?
Stanton diagram is a__________?
Ay between two stream lines represents__________?
The boundary layer thickness in turbulent flow varies as__________?
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is__________?
Which of the following statements is correct ?
In a Sutro weir, the discharge is proportional to__________?
Coefficient of contraction for an external cylindrical mouthpiece is__________?
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is__________?
Coefficient of velocity of venturimeter__________?
The discharge through a V- notch varies as__________?
Size of a venturimeter is specified by__________?
Which of the following is used to measure the discharge ?
Hot wire anemometer is used to measure__________?
In steady flow of a fluid, the total accele ration of any fluid particle__________?
Stream lines and path lines always coincide in case of__________?
The motion of air mass in a tornado is a__________?
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid__________?
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is__________?
In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is__________?
The eddy viscosity for turbulent flow is__________?
The horizontal component of force on a curved surface is equal to the__________?
An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to__________?
If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then__________?
A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is__________?
Metacentric height for small values of angle of heel is the distance between the__________?
Centre of buoyancy always__________?
The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to__________?
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be__________?

In series-pipe problems_______________?

A. the head loss is same through each pipe
B. the discharge is same through each pipe
C. a trial solution is not necessary
D. the discharge through each pipe is added to obtain total discharge

Correct Answer: the discharge is same through each pipe ✔

Last Updated: January 17, 2019