GATE Questions & Answers of Concept of boundary layer and its growth

What is the Weightage of Concept of boundary layer and its growth in GATE Exam?

Total 3 Questions have been asked from Concept of boundary layer and its growth topic of Fluid Mechanics subject in previous GATE papers. Average marks 2.00.

A rectangular channel 6.0 m wide carries a discharge of 16.0m3/s under uniform condition with normal depth of 1.60 m. Manning’s n is 0.015.

A hump is to be provided on the channel bed. The maximum height of the hump without affecting the upstream flow condition is

An automobile with projected area 2.6 m2 is running on a road with speed of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2 kg/m3 and 1.5 × 10-5 m2/s, respectively. The drag coefficient is 0.30.

The drag force on the automobile is

An automobile with projected area 2.6 m2 is running on a road with speed of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2 kg/m3 and 1.5 × 10-5 m2/s, respectively. The drag coefficient is 0.30.

The metric horse power required to overcome the drag force is