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Test: Streamline Function - Civil Engineering (CE) MCQ


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10 Questions MCQ Test Fluid Mechanics for Civil Engineering - Test: Streamline Function

Test: Streamline Function for Civil Engineering (CE) 2024 is part of Fluid Mechanics for Civil Engineering preparation. The Test: Streamline Function questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Streamline Function MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Streamline Function below.
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Test: Streamline Function - Question 1

What will be the shape of the pathline for an one-dimensional flow be like?

Detailed Solution for Test: Streamline Function - Question 1

A pathline is the path followed by a particle in motion. For an one-dimensional flow, the fluids move in only one dimension (say x). Hence the pathline will also be a straight line (along that direction).

Test: Streamline Function - Question 2

What is the maximum number of times the pathlines of two particles can intersect in an one dimensional flow?

Detailed Solution for Test: Streamline Function - Question 2

The pathline of a particle in an one-dimensional flow is a straight line along the direction it moves. When two particles move in the same direction, their pathline will never intersect and when they move in different directions, their pathlines will intersect only once.

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Test: Streamline Function - Question 3

Which of the following is correct?

Detailed Solution for Test: Streamline Function - Question 3

A streamline is defined as an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point. At a point, there can only be one direction of velocity. Hence, neither can a streamline intersect itself nor can two streamlines cross each other.

Test: Streamline Function - Question 4

The streamlines of the particles in a flow are recorded. If the streamline distribution remain the same even after sometime, what type of flow can it be?

Detailed Solution for Test: Streamline Function - Question 4

A streamline is defined as an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point. In a steady flow, the velocity of the particles is constant with time. Hence, the streamlines remain the same even after sometime.

Test: Streamline Function - Question 5

Which of the following is correct?

Detailed Solution for Test: Streamline Function - Question 5

A streamline is defined as an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point. Flow can only be along the velocity, never perpendicular to it. Hence, the movement of fluid mass can only be along the streamlines and never across them.

Test: Streamline Function - Question 6

The path taken by the smoke coming out of a chimney (in concentric circles) represents a

Detailed Solution for Test: Streamline Function - Question 6

A pathline is the path followed by a particle in motion whereas a streamline is an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point. A streamtube is a collection of streamlines. A streakline is a curve which gives an instantaneous picture of the location of the fluid particleswhich have passed through a given point.
Hence, the path taken by the smoke coming out of a chimney (in concentric circles) will represent streaklines.

Test: Streamline Function - Question 7

Which of the following is correct?

Detailed Solution for Test: Streamline Function - Question 7

In case of a steady flow, the velocity at a point remains constant with time. Thus, there will be no geometrical distinction between the pathlines, streamlines and streaklines.

Test: Streamline Function - Question 8

Which of the following is correct?

Detailed Solution for Test: Streamline Function - Question 8

A pathline is the path followed by a particle in motion whereas a streamline is an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point. Thus, pathlines are concerned with a particular particle at successive instants of time and streamlines with a number of particles at the same instant.

Test: Streamline Function - Question 9

The velocity of a point in a flow is

Detailed Solution for Test: Streamline Function - Question 9

A pathline is the path followed by a particle in motion whereas a streamline is an imaginary line within the flow such that the tangent at any point on it indicates the velocity at that point.

Test: Streamline Function - Question 10

If three sets of streamlines A, B and C are considered across section 1-2, which set will represent accelerated flow from 1 to 2?

Detailed Solution for Test: Streamline Function - Question 10

Streamline spacing varies inversely as the velocity. Higher the velocity, closer will be the streamlines. Hence, converging of streamlines from 1 to 2 will indicate accelerated flow as in set A.

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