Aerospace Engineering Gate Yearwise 


Aerospace Engineering Gate 2025 Questions with Answer

Ques 27 GATE 2025

A jet-powered airplane is steadily climbing at a rate of 10 m/s. The air density is 0.8 kg/m3, and the thrust force is aligned with the flight path. Using the information provided in the table below, the airplane's thrust to weight ratio is ______ (rounded off to one decimal place).

Airplane speed80 m/s
Lift coefficient, CL0.8
Aspect ratio6
Oswald efficiency factor0.8
Zero-lift drag coefficient0.02


(0.1) is the correct answer.

Ques 28 GATE 2025

While taking off, the net external force acting on an airplane during the ground roll segment can be assumed to be constant. The airplane starts from rest. SLO and VLO are the ground roll distance and the lift-off speed, respectively. αVLO (α>0) denotes the airplane speed at 0.5 SLO. Neglecting changes in the airplane mass during the ground roll segment, the value of α is ______ (rounded off to two decimal places).


(0.71) is the correct answer.

Ques 29 GATE 2025

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?

A

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

B

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

C

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

D

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


(d) is the correct answer.

Ques 30 GATE 2025

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

A

Wing with a positive dihedral angle

B

Fuselage with a high wing

C

Fuselage with a low wing

D

Swept back wing


(c) is the correct answer.

Ques 31 GATE 2025

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?

A

The true airspeed is greater than 250 km/h.

B

The calibrated airspeed is 250 km/h.

C

The true airspeed is 250 km/h.

D

The equivalent airspeed is 250 km/h.


(c) is the correct answer.

Ques 32 GATE 2025

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

A

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

B

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

C

The stability coefficient &partial;Cm/&partial;α (Cm is the airplane pitching moment coefficient and α is the angle of attack) is positive.

D

The static margin is negative.


(b) is the correct answer.

Ques 33 GATE 2025

Courage: Bravery :: Yearning :
Select the most appropriate option to complete the analogy.

A

Longing

B

Yelling

C

Yawning

D

Glaring


(a) is the correct answer.

Ques 34 GATE 2025

We ______ tennis in the lawn when it suddenly started to rain.
Select the most appropriate option to complete the above sentence.

A

have been playing

B

had been playing

C

would have been playing

D

could be playing


(b) is the correct answer.

Ques 35 GATE 2025

A 4×4 digital image has pixel intensities (U) as shown in the figure. The number of pixels with U≤4 is:

A

3

B

8

C

11

D

9


(c) is the correct answer.

Ques 36 GATE 2025

In the given figure, the numbers associated with the rectangle, triangle, and ellipse are 1, 2, and 3, respectively. Which one among the given options is the most appropriate combination of P, Q, and R ?

A

P=6; Q=5; R=3

B

P=5; Q=6; R=3

C

P=3; Q=6; R=6

D

P=5; Q=3; R=6


(b) is the correct answer.

Ques 37 GATE 2025

A rectangle has a length L and a width W, where L>W. If the width, W, is increased by 10%, which one of the following statements is correct for all values of L and W?

A

Perimeter increases by 10%.

B

Length of the diagonals increases by 10%.

C

Area increases by 10%.

D

The rectangle becomes a square.


(c) is the correct answer.

Ques 38 GATE 2025

Column-I has statements made by Shanthala; and, Column-II has responses given by Kanishk.

Column-IColumn-II
P. This house is in a mess.1. Alright, I won't bring it up during our conversations.
Q. I am not happy with the marks given to me.2. Well, you can easily look it up.
R. Politics is a subject I avoid talking about.3. No problem, let me clear it up for you.
S. I don't know what this word means.4. Don't worry, I will take it up with your teacher.

Identify the option that has the correct match between Column-I and Column-II.

A

P-2; Q-3; R-1; S-4

B

P-3; Q-4; R-1; S-2

C

P-4; Q-1; R-2; S-3

D

P-1; Q-2; R-4; S-3


(b) is the correct answer.

Ques 39 GATE 2025

Weight of a person can be expressed as a function of their age. The function usually varies from person to person. Suppose this function is identical for two brothers, and it monotonically increases till the age of 50 years and then it monotonically decreases. Let a1 and a2 (in years) denote the ages of the brothers and a12.
Which one of the following statements is correct about their age on the day when they attain the same weight?

A

a12<50

B

a1<502

C

5012

D

Either a1=50 or a2=50


(b) is the correct answer.

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