GATE AE 2022 Paper 1 — page 15

Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.

The real function

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continuous for all

differentiable for all

not continuous at

not differentiable at

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A convergent nozzle fed from a constant pressure, constant temperature reservoir, is discharging air to atmosphere at 1 bar (absolute) with choked flow at the exit (marked as Q). Flow through the nozzle can be assumed to be isentropic. If the exit area of the nozzle is increased while all the reservoir parameters and ambient conditions remain the same, then at steady state

Diagram for Aerospace Engineering question 44

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the nozzle will remain choked

the nozzle will be un-choked

the Mach number at section P will increase

the Mach number at section P will decrease

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For a conventional airplane in straight, level, constant velocity flight condition, which of the following condition(s) is/are possible on Euler angles (φ, θ, ψ), angle of attack (α) and the sideslip angle (β)?

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φ = 0°, θ = 2°, ψ = 0°, α = 2°, β = 0°

φ = 5°, θ = 0°, ψ = 0°, α = 2°, β = 0°

φ = 0°, θ = 3°, ψ = 0°, α = 3°, β = 5°

φ = 0°, θ = 5°, ψ = 0°, α = 2°, β = 5°

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2022 · Paper 1

Question 43

Question 44

Question 45