Air ( $${\rho = 1.2\,\,kg/{m^3}}$$ and kinematic viscosity, $${v = 2 \times {{10}^{ - 5}}{m^2}/s}$$ ) with a velocity of $$2m/s$$ flows over the top surface of a flat plate of length $$2.5m.$$ If the average value of friction coefficient is $${C_f} = {{1.328} \over {\sqrt {{{{\mathop{\rm Re}\nolimits} }_x}} }},\,\,$$ the total drag force (in $$N$$) per unit width of the plate is ____________

GATE 2015 Mechanical Engineering PYQ — Fluid Mechanics

GATE 2015Set 1PYQNATanswer pendingexplanation soonmedium

Fluid Mechanics · Boundary Layer

Concept intelligence

Drill mode: laminar boundary layer · 1/2

Official answer key is not available for this question yet.

Studying seriously for GATE CSE?

Keep browsing free. Pro unlocks the paid study loop: explanations, topic mastery, mistake notebook, and custom PYQ drills.

Recurring concept

Boundary Layer has appeared in GATE Mechanical Engineering 22 times across 15 years (2015, 2016, 2017, 2022, 2023, ...).