Test: Kinematics of Flow & Ideal Flow - 2


10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering | Test: Kinematics of Flow & Ideal Flow - 2


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Attempt Test: Kinematics of Flow & Ideal Flow - 2 | 10 questions in 30 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Topicwise Question Bank for Mechanical Engineering for Mechanical Engineering Exam | Download free PDF with solutions
QUESTION: 1

A two dimensional vortex has

Solution:
QUESTION: 2

Which of the following statement is not correct pertaining to source?

Solution:


Thus, the streamlines are radial lines from the source and the equipotential lines are the concentric circles with radius r = e2πφ/m.

QUESTION: 3

An incompressible fluid flows radially outward from a line source in a steady manner. How does the velocity in any radial direction?

Solution:


∴  

QUESTION: 4

Tho doublet is a special case of source and sink pair when:

Solution:
QUESTION: 5

The potential lines in case of a doublet are

Solution:

Streamlines of a doublet are a family of circles tangent to the x-axis and with their centers on the y-axis. The equipotential lines are a family of circles tangent to the y-axis and with their centers on the x-axis.

QUESTION: 6

Consider the following statements:
1. In a source,-equipotential lines are circles.
2. Flownet is a representation of 2-D irrotational flow of incompressible fluid.
3. Boundary acts as limiting equipotential lines - in a flownet.
4. In uniform region, streamlines will be parallel and equidistant.

Which of the above are correct?

Solution:
QUESTION: 7

Match List - I (Phenomenon) with List - ll (Condition) the following:

Solution:
QUESTION: 8

The genera! form of expression for the continuity equationin a cartesian co-ordinate system for incompressible or compressible flow is given by

Solution:

The general form of expression for the continuity equation in a Cartesian co-ordinate system

QUESTION: 9

The continuity equation represents conservation of

Solution:

The continuity equation represents the conservation of mass.
Continuity equation is given by

QUESTION: 10

Stream line, path line and streak line are identical when the

Solution:
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