GATE AE 2023 Paper 1 — page 20

Questions 58–60 of 65. Imported answers require review unless explicitly marked reviewed.

Enstrophy is defined as the square of the magnitude of vorticity. For the three-dimensional velocity field

the enstrophy at location (1, 1, 1) is _______. (round off to two decimal places)

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An airplane with wing planform area of 20 m

and weight 8 kN is flying straight and level with a speed of 100 m/s. The total drag coefficient is 0.026 and the air density is 0.7 kg/m

. The total thrust required to introduce a steady climb angle of 0.1 radians is ___ N. (round off to the nearest integer)

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The maximum permissible load factor and the maximum lift force coefficient for an airplane is 7 and 2, respectively. For a wing loading of 650 N/m

and air density 1.23 kg/m

, the speed yielding the highest possible turn rate in the vertical plane is __________ m/s. (round off to the nearest integer)

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2023 · Paper 1