Laminar sub-layer may develop during flow over a flat-plate. It exists

1.	Laminar sub-layer may develop during flow over a flat-plate. It exists in:
A.	Laminar zone
B.	Transition zone
C.	Turbulent zone
D.	Laminar and transition zone
Answer» D. Laminar and transition zone

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Laminar sub-layer may develop during flow over a flat-plate. It exists in:

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