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All forms of Continuity Equation Starter Quiz

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Question 1

The general continuity equation for steady incompressible flow is given as.

Question 2

Consider the following statements in respect of a steady two-dimensional rotational flow.

1.Continuity equation is satisfiedand streamlines can be drawn.

2.Both stream function and velocity potential function exist.

Which of these statements are correct?

Question 3

Consider the following statement:

1). Hardy cross method is an application of continuity of flow and continuity of potential to direct method of analysis.

2). Hardy cross relationship hf = k. Qn, where k depends on pipe length, diameter and roughness only.

3). Hardy cross method depends on the idea of head balance method with  around any loop in grid.

Which of these statements are correct?

Question 4

Consider the following statements in respect of a steady two-dimensional rotational flow:

1) Continuity is satisfied and streamlines can be drawn

2) Both stream function and velocity potential exist.

Which of the statements given above is/are correct?

Question 5

Which of the following method are used to determine the coefficient of velocity?

(i) Jet distance measurement method

(ii) Velocity measurement method

(iii) Momentum method

(iv) Micrometer contraction gauge method

Question 6

A pipe diameter changes from 0.25 m to 0.5 m in a length of 1.5 m forming a pipe diffuser. Water flow at rate of 1.3 m3/sec from 0.25 m diameter to 0.5 m diameter, the velocity at 0.8 m from smaller diameter is:

Question 7

A conical funnel of diameter 50 cm and depth 25 cm has a 25 cm pipe attached to it of diameter 2 cm. What will be rate of flow at the outlet when the depth of liquid inside the funnel is 35 cm?
Ignore friction losses. Assume the coefficient of loss for entry to be 0.4.

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May 11ESE & GATE CE