Aerospace Engineering
GATE AE discipline:aerospace-engineering PYQs
Build your understanding with focused practice from past exam papers.
Questions 451–460 of 650. Imported answers require independent review unless marked reviewed.
Question 51
Open questionAENAT2 marksNeeds review
A critically damped single degree of freedom spring-mass-damper system used in a door closing mechanism becomes overdamped due to softening of the spring with extended use. If the new damping ratio (
) for overdamped condition is 1.2, the ratio of the original spring stiffness to the new spring stiffness (
), assuming that the other parameters remain unchanged, is ______ (round off to two decimal places).Log in to check the answer
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Open questionAENAT2 marksNeeds review
The two masses of the two degree of freedom system shown in the figure are given initial displacements of 2 cm (
) and 1.24 cm (
). The system starts to vibrate in the first mode. The first mode shape of this system is
, where
______ (round off to two decimal places).
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Open questionAENAT2 marksNeeds review
As shown in the figure, a beam of length 1 m is rigidly supported at one end and simply supported at the other. Under the action of a uniformly distributed load of 10 N/m, the magnitude of the normal reaction force at the simply supported end is ______ N (round off to two decimal places).
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Open questionAENAT2 marksNeeds review
An airplane of mass 400 kg and wing reference area 25 m² flying at sea level has a maximum lift coefficient of 1.65. Assume density of air as 1.225 kg/m³ and acceleration due to gravity as 9.8 m/s². Using a factor of safety of 1.25 to account for additional unsteady lift during a sudden pull-up, the speed at which the airplane reaches a load factor of 3.2 is ______ m/s (round off to two decimal places).
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A Pitot tube mounted on the wing tip of an airplane flying at an altitude of 3 km measures a pressure of 0.72 bar, and the outside air temperature is 268.66 K. Take the sea level conditions as, pressure = 1.01 bar, temperature = 288.16 K, and density = 1.225 kg/m³. The acceleration due to gravity is 9.8 m/s² and the gas constant is 287 J/(kg K). Assuming standard atmosphere, the equivalent airspeed for this airplane is ______ m/s (round off to two decimal place).
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionGAMCQ1 markNeeds review
The fishermen, ______ the flood victims owed their lives, were rewarded by the government.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Some students were not involved in the strike.
If the above statement is true, which of the following conclusions is/are logically necessary?
Some who were involved in the strike were students.
No student was involved in the strike.
At least one student was involved in the strike.
Some who were not involved in the strike were students.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
The radius as well as the height of a circular cone increases by 10%. The percentage increase in its volume is ______.
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Five numbers 10, 7, 5, 4 and 2 are to be arranged in a sequence from left to right following the directions given below:
No two odd or even numbers are next to each other.
The second number from the left is exactly half of the left-most number.
The middle number is exactly twice the right-most number.
Which is the second number from the right?
Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Until Iran came along, India had never been ________________ in kabaddi.
Your answerChoose one option.
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