GATE AE year:2025 PYQs & Answers — Page 3

Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.

In a fluid flow, Mach number is an estimate of _____.

Your answerChoose one option.

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A general aviation airplane is in steady and level flight. The airplane is prone to adverse yaw. Which one of the following options best describes the deflections of aileron and rudder to achieve a coordinated right turn?

Your answerChoose one option.

Left aileron: down; Right aileron: up; Rudder: left

Left aileron: down; Right aileron: up; Rudder: right

Left aileron: up; Right aileron: down; Rudder: left

Left aileron: up; Right aileron: down; Rudder: right

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For a general aviation airplane, which one of the following has a destabilizing effect on its static roll stability?

Your answerChoose one option.

Wing with a positive dihedral angle

Fuselage with a high wing

Fuselage with a low wing

Swept back wing

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A general aviation airplane is flying at an altitude of 5000 m. The indicated airspeed is 250 km/h. Assume that there are no instrument errors and position errors. Neglecting compressibility effects, which one of the following options is FALSE?

Your answerChoose one option.

The true airspeed is greater than 250 km/h.

The calibrated airspeed is 250 km/h.

The true airspeed is 250 km/h.

The equivalent airspeed is 250 km/h.

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To achieve longitudinal static stability of a general aviation airplane, which one of the following conditions should be satisfied?

Your answerChoose one option.

The center of gravity of the airplane should be aft of the neutral point.

The center of gravity of the airplane should be forward of the neutral point.

The stability coefficient

(

is the airplane pitching moment coefficient and

is the angle of attack) is positive.

The static margin is negative.

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For a homogeneous, isotropic material, the relation between the shear modulus (

), Young’s modulus (

), and Poisson’s ratio (

) is ____.

Your answerChoose one option.

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A simply supported horizontal beam is subjected to a distributed transverse load varying linearly from

at A to zero at B, as shown in the figure. Which one of the following options is correct?

Diagram for Aerospace Engineering question 27

Your answerChoose one option.

The magnitude of the vertical reaction force at A is larger than that at B.

The magnitude of the vertical reaction force at B is larger than that at A.

The magnitudes of the vertical reaction forces at A and B are equal.

The reactions at points A and B are indeterminate.

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A stress field is given by

;

, where

and

are non-zero constants. If the stress field satisfies equilibrium, which one of the following options is correct?

Your answerChoose one option.

There is no body force per unit volume.

There is a constant body force per unit volume in the y-direction.

The body force per unit volume varies linearly in the y-direction.

The direction of the body force per unit volume depends on the value of

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A uniform symmetric cross-section cantilever beam of length

is subjected to a transverse force

at the free end, as shown in the figure. The Young’s modulus of the material is

and the moment of inertia is

. Ignoring the contributions due to transverse shear, the strain energy stored in the beam is ____.

Diagram for Aerospace Engineering question 29

Your answerChoose one option.

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In the given figure, plate ABCD in its undeformed configuration (solid line) is a rhombus with all the internal angles being 90°. The lengths of the undeformed diagonals are 20 cm. ABCD deforms as shown by the dotted lines. Upon deformation, diagonal AC reduces to 19.96 cm and BD increases to 20.04 cm. In the given x-y coordinate system, the engineering shear strain

is equal to ____.

Diagram for Aerospace Engineering question 30

Your answerChoose one option.

0.002

0.004

-0.004

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GATE AE year:2025 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30