# The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is _____ ? with Answer - Civil Engineering Mcqs | TestPrep

> Solved MCQ: The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is _____ ? Correct Answer: B. 0.20 cm. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is _____ ?

Direct Answer & Quick Reference

The correct option is **B. 0.20 cm**.

A. 0.40 cm

B. 0.20 cm **(Correct Answer)**

C. 0.10 cm

D. 0.05 cm

✨ Explain with AI

Verified Key: B. 0.20 cm
Solved by 1,324+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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