Civil Engineering (CE) > Test: Fluid Flow Kinematics - 1

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Test: Fluid Flow Kinematics - 1 - Question 1

Local acceleration in fluid-flow situations exists only when

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Test: Fluid Flow Kinematics - 1 - Question 2

A flownet is a graphical representation of streamlines and equipotential lines such that

Test: Fluid Flow Kinematics - 1 - Question 4

Stream lines, streak lines and path lines are all identical in case of

Test: Fluid Flow Kinematics - 1 - Question 6

Match List-I (Format of representation) with List-ll (Context/Relevant to) and select the correct answer using the codes given below the lists:

List-ll

1. Relevant to a velocity potential

2. Rate of rotation about a relevant axis

3. Pressure gradient in a relevant direction

4. Continuity of flow

Test: Fluid Flow Kinematics - 1 - Question 7

A two-dimensional flow is described by velocity components u = 2x and v = - 2y. The discharge between points (1,1) and (2, 2) is equal to

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Test: Fluid Flow Kinematics - 1 - Question 8

Consider the following statements in respect of two-dimensional incompressible flow with velocity components u and v in x and y directions respectively:

1. The continuity equation is

2. The acceleration in x-direction is

3. The condition of irrotationality is

4. The equation of a streamline is udy = -vdx

Which of these statements are correct?

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Test: Fluid Flow Kinematics - 1 - Question 9

An imaginary tangent at a point which shows the direction of velocity of a liquid particle at that point is

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Test: Fluid Flow Kinematics - 1 - Question 10

A two dimensional flow field is given by stream function ψ = x^{2} - y^{2}. The magnitude of absolute velocity at a point (1, 1) is

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