Aerospace Engineering
2021 · Paper 1
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Complete GATE AE 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
Open questionAENAT2 marksNeeds review
A jet aircraft weighing 10,000 kg has an elliptic wing with a span of 10 m and area 30 m
. The
for the aircraft is 0.025. The maximum speed of the aircraft in steady and level flight at sea level is 100 m/s. The density of air at sea level is 1.225 kg/m
, and take
m/s
. The maximum thrust developed by the engine at sea level is _____ N (round off to two decimal places).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 55
Open questionAENAT2 marksNeeds review
Consider a jet transport airplane with the following specifications:
Lift curve slope for wing-body
/deg
Lift curve slope for tail
/deg
Tail area
m
Wing area
m
Distance between mean aerodynamic centers of tail and wing-body
m
Mean aerodynamic chord
m
Downwash
Axial location of the wing-body mean aerodynamic center
Axial location of the center of gravity
All axial locations are with respect to the leading edge of the root chord and along the body x-axis. Ignore propulsive effects.The pitching-moment-coefficient curve slope (
) is ______ /deg (round off to three decimal places).Log in to check the answer
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