Water is flowing through a pipe of 3.8 cm diameter under a pressure of 20 N/cm2 (gauge) and with mean velocity of 3.7 m/s. Find the total head or total energy per unit weight of the water at a cross section, which is 7 m above the datum line.

Water is flowing through a pipe of 3.8 cm diameter under a pressure of

1.	Water is flowing through a pipe of 3.8 cm diameter under a pressure of 20 N/cm2 (gauge) and with mean velocity of 3.7 m/s. Find the total head or total energy per unit weight of the water at a cross section, which is 7 m above the datum line.
A.	56.14 m
B.	28.07 m
C.	84.18 m
D.	10.52 m
Answer» C. 84.18 m

Discussion

No Comment Found

Related MCQs

A fluid with specific gravity 0.85 is flowing through a diameter 250 mm and 150 mm at the bottom and upper ends respectively. Determine the difference in datum head if the rate of flow through pipe is 0.04 m3/s. Take pressure at top and bottom as 27 N/cm2 and 10 N/cm2.
Water is flowing through a pipe of 3.8 cm diameter under a pressure of 20 N/cm2 (gauge) and with mean velocity of 3.7 m/s. Find the total head or total energy per unit weight of the water at a cross section, which is 7 m above the datum line.
In derivation for Euler s equation, the weight of fluid element is considered as negligible and ignored in calculation.
According to statement of Bernoulli s theorem if Kinetic or Potential Energy is changing then overall energy changes and hence energy is not constant at all the places.
If in a fluid, while applying Newton s second law of motion, compressibility force is neglected then what equation is obtained?
From mathematical perspective if for a fluid curl of velocity vector is some constant value, it is ideal, steady and incompressible, then we can apply Bernoulli s equation.
Which of the following assumption is incorrect in the derivation of Bernoulli s equation?
In order to apply Bernoulli s equation across two sections, we have to obtain it from Euler s equation. What is the operation that needs to be carried out in order to obtain it from Euler s equation?
Navier-Stoke s equation can be obtained from Reynolds s equation by not considering which type of force?
Which forces are neglected to obtain Euler s equation of motion from Newton s second law of motion?

Water is flowing through a pipe of 3.8 cm diameter under a pressure of 20 N/cm2 (gauge) and with mean velocity of 3.7 m/s. Find the total head or total energy per unit weight of the water at a cross section, which is 7 m above the datum line.

Discussion

No Comment Found

Related MCQs

Reply to Comment