Aerospace Engineering Gate 2026 Questions with Answer

Ques 27 GATE 2026


The velocity potential function (φ) given below represents which one of the following?
φ = 5x − 12y

A

Doublet

B

Irrotational vortex

C

Source

D

Uniform flow


(d) is the correct answer.

Ques 28 GATE 2026


A flow is steady, inviscid and one-dimensional, with no shaft work or body forces. Which of the following is/are possible under the given conditions?

A

Oblique shocks

B

Sound propagation

C

Rayleigh flow

D

Fanno flow


(a,b) is the correct answer.

Ques 29 GATE 2026


"He often _____ the numbers. False claims are not going to help. Honesty _____ trust", said the manager.
Choose the option with the correct order of words to fill the blanks.

A

exaggerates; engenders

B

excels; encourages

C

aggravates; alleviates

D

diminishes; eliminates


(a) is the correct answer.

Ques 30 GATE 2026


In the sequence of tiles shown below, the missing tile indicated by the question mark should be

A

B

C

D


(c) is the correct answer.

Ques 31 GATE 2026


A school has 100 students distributed among 1st to 10th standards.
Based on this, which one of the following statements is always correct?

A

There are at least 10 students who belong to the same standard.

B

There is at least one student in each standard.

C

There are at most 10 students in 10th standard.

D

The total number of students from 1st to 5th standards is at least 50.


(a) is the correct answer.

Ques 32 GATE 2026


How many 3-digit numbers can be formed using three distinct single digit prime numbers?

A

64

B

24

C

12

D

4


(b) is the correct answer.

Ques 33 GATE 2026


In a group of students, 10 students like Mathematics, 12 students like English, 4 students like both Mathematics and English, and 6 students like neither Mathematics nor English. The number of students in the group is ____

A

18

B

20

C

24

D

32


(c) is the correct answer.

Ques 34 GATE 2026


Charity : P :: Retaliation : Q
Choose the appropriate pair of words P and Q that fit the analogy.

A

P = Parsimonious; Q = Vengeful

B

P = Altruistic; Q = Amicable

C

P = Resentful; Q = Spiteful

D

P = Magnanimous; Q = Vindictive


(d) is the correct answer.

Ques 35 GATE 2026


A paper shown in Panel I is folded along the dashed lines (- - -) to construct a cube. The shaded regions shown in Panel I appear on the outer surface of the cube. Referring to cubes shown in Panel II, which one of the options is correct?

A

Only (i) can correspond to the unfolded cube in Panel I.

B

Only (ii) can correspond to the unfolded cube in Panel I.

C

Both (i) and (ii) can correspond to the unfolded cube in Panel I.

D

Neither (i) nor (ii) can correspond to the unfolded cube in Panel I.


(d) is the correct answer.

Ques 36 GATE 2026


Consider the cube shown below with its 8 corners labelled a, b, c, d, e, f, g, and h. The figure is representative. All corners are to be colored such that any two corners that are connected by an edge must be of different colors. The minimum number of colors required to achieve this is ________

A

8

B

4

C

3

D

2


(d) is the correct answer.

Ques 37 GATE 2026


Four hills H1, H2, H3, and H4 are present in an area. The following observations are made about them:
i. Neither H2 nor H3 is the easternmost hill.
ii. Neither H2 nor H3 is the westernmost hill.
iii. Neither the easternmost hill nor the westernmost hill is the southernmost hill.
iv. Two hills are located to the west of H2.
v. The southernmost hill has at least two hills to its east.
The southernmost hill is ________.

A

H1

B

H2

C

H3

D

H4


(c) is the correct answer.

Ques 38 GATE 2026


As shown in the figure, circle C1 with center O1 and radius r1 touches the square VWXY at points P and Q while circle C2 with center O2 and radius r2 touches the square VWXY at points R and S. The two circles touch each other at T.
Given r1 = 1 cm and VY = VW = 4 cm, r2 = _____ cm.

A

4 − 3√2

B

1 + 2√2

C

7 − 4√2

D

5 + 3√2


(c) is the correct answer.

Ques 39 GATE 2026


The figure below depicts two ideal gas turbine cycles, cycle 1-2-3-4-1 and cycle 1-2-3'-4'-1, on a T-s diagram. Which one the following statements is FALSE?

A

The thermal efficiency of the two cycles is the same

B

The specific work of the two cycles is the same

C

The processes 2-3 and 2-3' are isobaric

D

The amount of heat added in the combustion process is greater for the cycle 1-2-3'-4'-1


(b) is the correct answer.

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