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UPPSC AE (CE) Quiz 38
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Question 1
Statement (I): In hydrodynamically smooth boundary the friction coefficient is a function of Reynold’s number (Re) only. For turbulent flow.
Statement (II): In hydro-dynamically rough boundary the friction coefficient is a function of both Reynold’s number (Re) and relative roughness .
Question 2
Which of the following are correctly matched:
1. Turbulent flow = Moment Integral equation
2. Laminar flow = Hagen Poiseuille equation
Question 3
The maximum velocity Umax, shear velocity u* and u mean velocity U in case of turbulent flow through circular pipe are related as:
Question 4
Identify the nature of the boundary of the boundary flow for a laminar sublayer thickness of 16 mm and pt. of roughness coefficient as 60 mm
Question 5
The Prandt mixing length for turbulent flow through pipes is:
Question 6
In Free vortex, radius of cylinder is
Question 7
The integral momentum equation requires the following assumption in the flow:
Question 8
Statement (I): Forced vortex flow is rotational.
Statement (II): Flow in which fluid particles move along a circle is called a rotational flow.
Question 9
The Kinetic energy correction factor is
Question 10
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, what will be the momentum correction factor?
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AE & JE ExamsNov 26AE & JE Exams