Aerospace Engineering
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE AE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.
Question 37
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A supersonic aircraft has an air intake ramp that can be rotated about the leading edge O such that the shock from the leading edge meets the cowl lip as shown in the figure. Select all the correct statement(s) as per oblique shock theory when the flight Mach number M is increased.
Your answerChoose one option.
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Two missiles A and B powered by solid rocket motors have identical specific impulse, liftoff mass of 560 kg each, and burn durations of
s and
s, respectively. The propellant mass flow rates,
and
, for missiles A and B, respectively, are given by
Neglecting gravity and aerodynamic forces, the relationship between the final velocities
and
of missiles A and B, respectively, is given byYour answerChoose one option.
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A perfect gas stored in a large reservoir exhausts into the atmosphere through a convergent duct. The reservoir pressure is
and temperature is
. The jet emerges from the nozzle at choked conditions with average velocity
, Mach number M, pressure p, temperature T, and density
. If the reservoir pressure is increased, thenYour answerChoose one option.
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