SSC JE Mechanical 2017- Fluid Mechanics Quiz 1

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Question 1

When a cylinder is placed in an ideal fluid and the flow is uniform, the pressure coefficient is equal to

• A
• B
• C
• D

Question 2

Which one of the following statements is true to two-dimensional flow of ideal fluids?

• APotential function exists if stream function exists.
• BStream function may or may not exist.
• CBoth potential function and stream function must exist for every flow.
• DStream function will exist but potential function may or may not exist.

Question 3

The coefficient of velocity () for an orifice is

• A
• B
• C
• DNone of above

Question 4

According to Blasius, the local skin friction coefficient in the boundary layer over a flat plate is given by

• A
• B
• C
• D

Question 5

If is the blade angle at the outlet, then the maximum hydraulic efficiency of an ideal imulse turbine is.

• A
• B
• C
• D

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