Question 1 : In microscopic view, Circulation is a __________ quantity.
1. vector
2. dimension less
3. scalar
4. non-measurable
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Question 2 : The boundary layer is formed at the _____________
1. boundary of an object
2. surface of an object
3. at a point on an object
4. edges of an object
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Question 3 : Which of the following has more viscosity?
1. Water
2. Honey
3. Oil
4. Juice
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Question 4 : The component of vorticity normal to dS is equal to __________
1. circulation per unit area
2. negative of circulation per unit area
3. zero
4. circulation
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Question 5 : If the flow is irrotational everywhere within the contour of integration then the circulation is ____________
1. 1
2. positive
3. negative
4. zero
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Question 6 : The line integral of a closed curve around of a velocity field is defined as____________
1. Vorticity
2. Circulation
3. Dilatation
4. Streamline
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Question 7 : The absence of vorticity means the flow is ________
1. steady
2. unsteady
3. rotational
4. irrotational
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Question 8 : The angle between the two lines (x and y direction) is called as ___________
1. viscous layer
2. strain
3. stress
4. velocity vector
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Question 9 : The subsonic flow over an airfoil is an example of __________
1. steady
2. unsteady
3. rotational
4. irrotational
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Question 10 : If ?*V is equal to zero, then the flow is _________
1. steady
2. unsteady
3. rotational
4. irrotational
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