AFCAT-EKT 2018 Quiz 13

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Question 1

The minor loss due to sudden contraction is due to :

• Aflow contraction
• Bexpansion of flow after sudden contraction
• Ccavitation
• Dboundary friction

Question 2

The instantaneous centre of rotation of a rigid thin disc rolling on a plane rigid surface is located at

• Athe centre of the disc.
• Ban infinite distance on the plane surface.
• Cthe point of contact.
• Dthe point on the circumference situated vertically opposite to the contact point.

Question 3

Which one of the following relationships defines the Helmholtz function F?

• AF = H + TS
• BF = H - TS
• CF = U – TS
• DF = U + TV

Question 4

The relation for an irrotational flow is known as which one of the following?

• ANavier – Stokes equation
• BLaplace equation
• CReynolds equations
• DEuler’s equation

Question 5

The value of the determinant is

• A0
• B1
• C(a + b + c)
• D3

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