Aerospace Engineering Gate Yearwise 


Aerospace Engineering GATE 2025 Questions with Answer

Ques 27 Flight Mechanics

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


Ques 28 Flight Mechanics

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).


Ques 29 Flight Mechanics

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


Ques 30 Flight Mechanics

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


Ques 31 Flight Mechanics

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.


Ques 32 Flight Mechanics

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.


Ques 33 General Aptitude

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

A

Longing

B

Yelling

C

Yawning

D

Glaring


Ques 34 General Aptitude

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


Ques 35 General Aptitude

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


Ques 36 General Aptitude

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


Ques 37 General Aptitude

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.


Ques 38 General Aptitude

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


Ques 39 General Aptitude

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


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