GATE AE 2019 Paper 1 — page 16

Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.

A two-dimensional, incompressible fluid flow is described by the stream function

/s on the Cartesian

plane. If the density and dynamic viscosity of the fluid are 1 kg/m

and 0.1 kg/m-s, respectively, the magnitude of the pressure gradient in the

direction at

m and

m is ______ N/m

(round off to 1 decimal place).

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The static pressure ratio across a stationary normal shock is given by

where

is the upstream Mach number. For a stationary normal shock in air (

J/kg-K) with upstream flow conditions given by: speed 800 m/s, static temperature 300 K and static pressure 1 atm., the static pressure downstream of the shock is ______ atm. (round off to 2 decimal places).

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For a symmetric airfoil at an angle of attack of 10°, assuming thin airfoil theory, the magnitude of the pitching moment coefficient about the leading edge is ______ (round off to 2 decimal places).

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2019 · Paper 1

Question 36

Question 37

Question 38