Aerospace Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE AE 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 34
Open questionAENAT1 markNeeds review
The lift per unit span for a spinning circular cylinder in a potential flow is 6 N/m. The free-stream velocity is 30 m/s, and the density of air is 1.225 kg/m
. The circulation around the cylinder is ____ m
/s (rounded off to two decimal places).Log in to check the answer
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Open questionAENAT1 markNeeds review
In a centrifugal compressor, the eye tip diameter is 10 cm. For a shaft rotational speed of 490 rotations per second, the tangential speed at the inducer tip is ____ m/s (rounded off to one decimal place).
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Open questionAEMCQ2 marksNeeds review
A lifting surface has a spanwise circulation distribution of
(where
) over its span
, and
is the spanwise coordinate. Furthermore, the downwash varies along the span as
, where
is the free stream velocity. Which one of the following options represents total lift (
) and induced drag (
)?Your answerChoose one option.
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