GATE XE (Engineering Sciences) 2026 Question Paper & Solutions

Attempt the GATE XE (Engineering Sciences) 2026 previous year paper in real CBT exam mode or practice mode. Answers will be added when the official answer key is published on CMB Space.

All GATE XE (Engineering Sciences) papers

87 questions. The official answer key for this paper has not been published on CMB Space yet, so the questions are shown without answers.

General Aptitude

Question 1

Marks: 1

Suresh said, “I did it yesterday.” Which one of the following options is the correct form of this sentence in indirect speech?

  • A. Suresh said that I did it yesterday.
  • B. Suresh says I did it yesterday.
  • C. Suresh says that he did it the day before.
  • D. Suresh said that he had done it the day before.

Question 2

Marks: 1

To continue the sequence of tiles shown, the tile indicated by the question mark should be

Figure for question 2, GATE XE (Engineering Sciences) 2026

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Question 3

Marks: 1

Consider an art gallery whose walkways are shown as lines in the diagram. A black dot represents a junction of two walkways. A guard may be placed at a junction to watch over the walkways that join at that junction. The minimum number of guards needed to watch all the walkways is ________.

Figure for question 3, GATE XE (Engineering Sciences) 2026

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  • B. 3
  • C. 4
  • D. 5

Question 4

Marks: 1

The 2nd of June is a Thursday in a certain year. Which day of the week is the 3rd of July in that year?

  • A. Thursday
  • B. Friday
  • C. Saturday
  • D. Sunday

Question 5

Marks: 1

A coin with heads facing up is shown as and a coin with tails facing up is shown as . Six coins are placed in the Starting Arrangement, as shown in the figure below. A “step” is defined as interchanging a pair of adjacent coins without flipping them. The minimum number of steps needed to go from the Starting Arrangement to the Final Arrangement, as shown in the figure, is ________.

Figure for question 5, GATE XE (Engineering Sciences) 2026

  • A. 3
  • B. 6
  • C. 9
  • D. 12

Question 6

Marks: 2

Exacerbate : Mitigate :: ___________ Choose the option with the correct pair of words to fill the blank.

  • A. Aggravate : Alleviate
  • B. Alleviate : Precipitate
  • C. Aggravate : Precipitate
  • D. Emancipate : Exonerate

Question 7

Marks: 2

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?

Figure for question 7, GATE XE (Engineering Sciences) 2026

  • 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.

Question 8

Marks: 2

In a population, patients who have high cholesterol also have high blood-pressure (BP). Some patients with high BP also have diabetes. There are no patients who have both high cholesterol and diabetes. Furthermore, 1. the total number of patients with at least one of these conditions is 75, 2. the number of patients with high cholesterol is 10, 3. the number of patients with high BP is 45, and 4. the number of patients with only high BP and no other conditions is 20. Then the number of patients who have both diabetes and high BP is _______

  • A. 0
  • B. 15
  • C. 20
  • D. 10

Question 9

Marks: 2

Four people P, Q, R, and S, of different ages, make the following observations. P – I am younger than S. Q – I am neither the youngest nor the oldest. R – P is older than me. Based on these observations, the youngest person is ______.

  • A. P
  • B. Q
  • C. R
  • D. S

Question 10

Marks: 2

GATE XE 2026, General Aptitude, Q.10: see the question image.

Figure for question 10, GATE XE (Engineering Sciences) 2026

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Engineering Mathematics

Question 11

Marks: 1

GATE XE 2026, Engineering Mathematics, Q.1: see the question image.

Figure for question 11, GATE XE (Engineering Sciences) 2026

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Question 12

Marks: 1

GATE XE 2026, Engineering Mathematics, Q.2: see the question image.

Figure for question 12, GATE XE (Engineering Sciences) 2026

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Question 13

Marks: 1

GATE XE 2026, Engineering Mathematics, Q.3: see the question image.

Figure for question 13, GATE XE (Engineering Sciences) 2026

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Question 14

Marks: 1

GATE XE 2026, Engineering Mathematics, Q.4: see the question image.

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Question 15

Marks: 1

GATE XE 2026, Engineering Mathematics, Q.5: see the question image.

Figure for question 15, GATE XE (Engineering Sciences) 2026

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Question 16

Type: NAT | Marks: 1

GATE XE 2026, Engineering Mathematics, Q.6: see the question image.

Figure for question 16, GATE XE (Engineering Sciences) 2026

Question 17

Type: NAT | Marks: 1

GATE XE 2026, Engineering Mathematics, Q.7: see the question image.

Figure for question 17, GATE XE (Engineering Sciences) 2026

Question 18

Marks: 2

GATE XE 2026, Engineering Mathematics, Q.8: see the question image.

Figure for question 18, GATE XE (Engineering Sciences) 2026

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Question 19

Marks: 2

GATE XE 2026, Engineering Mathematics, Q.9: see the question image.

Figure for question 19, GATE XE (Engineering Sciences) 2026

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Question 20

Type: NAT | Marks: 2

GATE XE 2026, Engineering Mathematics, Q.10: see the question image.

Figure for question 20, GATE XE (Engineering Sciences) 2026

Question 21

Type: NAT | Marks: 2

GATE XE 2026, Engineering Mathematics, Q.11: see the question image.

Figure for question 21, GATE XE (Engineering Sciences) 2026

Fluid Mechanics

Question 22

Marks: 1

For a laminar, incompressible, and fully-developed flow through a circular pipe, the ratio of the maximum velocity to the average velocity of the flow is

  • A. 1.5
  • B. 2
  • C. 3
  • D. 4

Question 23

Marks: 1

GATE XE 2026, Fluid Mechanics, Q.2: see the question image.

Figure for question 23, GATE XE (Engineering Sciences) 2026

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Question 24

Marks: 1

GATE XE 2026, Fluid Mechanics, Q.3: see the question image.

Figure for question 24, GATE XE (Engineering Sciences) 2026

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Question 25

Marks: 1

GATE XE 2026, Fluid Mechanics, Q.4: see the question image.

Figure for question 25, GATE XE (Engineering Sciences) 2026

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Question 26

Marks: 1

Consider the following statements: Assertion (a) Surface tension acts along the interface of two fluids. Reason (r) The pressure of the fluid inside a bubble is higher than that of the fluid outside the bubble. Which one of the following options is correct?

  • A. Both (a) and (r) are true, and (r) is the correct explanation of (a).
  • B. Both (a) and (r) are true, however (r) is not the correct explanation of (a).
  • C. (a) is true, but (r) is false.
  • D. (a) is false, but (r) is true.

Question 27

Marks: 1

GATE XE 2026, Fluid Mechanics, Q.6: see the question image.

Figure for question 27, GATE XE (Engineering Sciences) 2026

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Question 28

Marks: 1

GATE XE 2026, Fluid Mechanics, Q.7: see the question image.

Figure for question 28, GATE XE (Engineering Sciences) 2026

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Question 29

Marks: 1

Which of the following statements about streamlines, pathlines, and streaklines is/are correct?

  • A. A streamline is a curve that is everywhere tangent to the instantaneous local velocity vector.
  • B. Two streamlines can intersect at a point in a flow.
  • C. A pathline is the locus of fluid particles passing sequentially through a particular point.
  • D. For steady flow, streamlines, pathlines, and streaklines are the same.

Question 30

Type: NAT | Marks: 1

GATE XE 2026, Fluid Mechanics, Q.9: see the question image.

Figure for question 30, GATE XE (Engineering Sciences) 2026

Question 31

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.10: see the question image.

Figure for question 31, GATE XE (Engineering Sciences) 2026

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Question 32

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.11: see the question image.

Figure for question 32, GATE XE (Engineering Sciences) 2026

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Question 33

Marks: 2

Consider two different cases of water flowing through a smooth pipe of 50 cm diameter. The mass flow rates for the two cases are (i) 0.25 kg.s−1, and (ii) 0.8 kg.s−1. Assume the density and dynamic viscosity of water as 1000 kg.m−3 and 10−3 Pa.s, respectively. Which one of the following options is correct?

  • A. The flow is laminar for both (i), and (ii).
  • B. The flow is laminar for (i), and turbulent for (ii).
  • C. The flow is turbulent for (i), and laminar for (ii).
  • D. The flow is turbulent for both (i), and (ii).

Question 34

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.13: see the question image.

Figure for question 34, GATE XE (Engineering Sciences) 2026

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Question 35

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.14: see the question image.

Figure for question 35, GATE XE (Engineering Sciences) 2026

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Question 36

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.15: see the question image.

Figure for question 36, GATE XE (Engineering Sciences) 2026

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Question 37

Marks: 2

GATE XE 2026, Fluid Mechanics, Q.16: see the question image.

Figure for question 37, GATE XE (Engineering Sciences) 2026

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Question 38

Type: NAT | Marks: 2

GATE XE 2026, Fluid Mechanics, Q.17: see the question image.

Figure for question 38, GATE XE (Engineering Sciences) 2026

Question 39

Type: NAT | Marks: 2

A ship is designed to sail at a speed of 8 m.s−1. A designer makes a 1/10 scaled model to test the ship in a water tunnel. The model and the ship satisfy the dynamic similarity. The speed (in m.s−1) of the model is _________. (rounded off to two decimal places)

Question 40

Type: NAT | Marks: 2

GATE XE 2026, Fluid Mechanics, Q.19: see the question image.

Figure for question 40, GATE XE (Engineering Sciences) 2026

Question 41

Type: NAT | Marks: 2

GATE XE 2026, Fluid Mechanics, Q.20: see the question image.

Figure for question 41, GATE XE (Engineering Sciences) 2026

Question 42

Type: NAT | Marks: 2

GATE XE 2026, Fluid Mechanics, Q.21: see the question image.

Figure for question 42, GATE XE (Engineering Sciences) 2026

Question 43

Type: NAT | Marks: 2

Air flows through a pipe of diameter D with an average velocity of 3 m.s−1. The Darcy friction factor of the pipe is 0.02. Assume acceleration due to gravity as 10 m.s−2. If the head loss per meter is 0.05, the diameter (in m) of the pipe is __________. (rounded off to two decimal places)

Solid Mechanics

Question 44

Marks: 1

GATE XE 2026, Solid Mechanics, Q.1: see the question image.

Figure for question 44, GATE XE (Engineering Sciences) 2026

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Question 45

Marks: 1

Two smooth drums each weighing W and radius, r are connected by a stiff rope of length, h as shown in the figure. Force F is applied using a massless lever (RS) of length, l. The friction between the drums and the lever (RS) is negligible. The system is in static equilibrium. Which one of the following represents the CORRECT free body diagram of the lever (RS)? Figures are not to scale. N1, N2, and N3 in the options are reaction forces and Ff is the frictional force.

Figure for question 45, GATE XE (Engineering Sciences) 2026

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Question 46

Marks: 1

Identify the zero-force member in the truss structure as shown in the figure. Figure is not to scale

Figure for question 46, GATE XE (Engineering Sciences) 2026

  • A. ST
  • B. SR
  • C. SP
  • D. SQ

Question 47

Marks: 1

GATE XE 2026, Solid Mechanics, Q.4: see the question image.

Figure for question 47, GATE XE (Engineering Sciences) 2026

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Question 48

Marks: 1

Which among the following options is/are CORRECT unit(s) of stress?

  • A. Nm2
  • B. Pa
  • C. Nm
  • D. N/m2

Question 49

Marks: 1

GATE XE 2026, Solid Mechanics, Q.6: see the question image.

Figure for question 49, GATE XE (Engineering Sciences) 2026

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Question 50

Type: NAT | Marks: 1

GATE XE 2026, Solid Mechanics, Q.7: see the question image.

Figure for question 50, GATE XE (Engineering Sciences) 2026

Question 51

Type: NAT | Marks: 1

GATE XE 2026, Solid Mechanics, Q.8: see the question image.

Figure for question 51, GATE XE (Engineering Sciences) 2026

Question 52

Type: NAT | Marks: 1

[11 4 Sum of the principal stresses of a 2D stress state is ______ (in integer). 5] 4

Question 53

Marks: 2

GATE XE 2026, Solid Mechanics, Q.10: see the question image.

Figure for question 53, GATE XE (Engineering Sciences) 2026

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Question 54

Marks: 2

Which one of the following options is the CORRECT absolute value of the bending moment at R in the frame as shown in the figure? Figure is not to scale

Figure for question 54, GATE XE (Engineering Sciences) 2026

  • A. 0
  • B. Fl
  • C. 2Fl
  • D. 3Fl

Question 55

Marks: 2

GATE XE 2026, Solid Mechanics, Q.12: see the question image.

Figure for question 55, GATE XE (Engineering Sciences) 2026

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Question 56

Marks: 2

Two prismatic rods of identical lengths are designed for the same strain energy density when subjected to the same axial load. One of the rods is made of steel (Young’s modulus = 210 GPa) and another is made of aluminum (Young’s modulus = 70 GPa). If the diameter of the aluminum rod is 70 mm, then which one of the following options corresponds to the diameter of the steel rod in mm?

  • A. 53.19
  • B. 70
  • C. 210
  • D. 29.13

Question 57

Marks: 2

GATE XE 2026, Solid Mechanics, Q.14: see the question image.

Figure for question 57, GATE XE (Engineering Sciences) 2026

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Question 58

Marks: 2

A 2D stress state of pure shear is shown in the figure. Which one of the following options is equivalent to the given stress state? Figures are not to scale.

Figure for question 58, GATE XE (Engineering Sciences) 2026

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Question 59

Marks: 2

GATE XE 2026, Solid Mechanics, Q.16: see the question image.

Figure for question 59, GATE XE (Engineering Sciences) 2026

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Question 60

Type: NAT | Marks: 2

A motorized pulley of diameter 200 mm is used to transfer a block of mass 100 kg from platform 1 to platform 2 using a ramp kept at an inclination of 30° as shown in the figure. The coefficient of static friction between the block and the ramp is 0.2. The acceleration due to gravity is 10 m/s2. Assume the rope to be parallel to the ramp surface. The minimum torque required by the motor to transport the block uphill is ____ Nm (rounded off to two decimal places). Figure is not to scale

Figure for question 60, GATE XE (Engineering Sciences) 2026

Question 61

Type: NAT | Marks: 2

GATE XE 2026, Solid Mechanics, Q.18: see the question image.

Figure for question 61, GATE XE (Engineering Sciences) 2026

Question 62

Type: NAT | Marks: 2

A thin walled cylindrical container of diameter 2 m and wall thickness of 2.5 cm is made of steel whose Young’s modulus is 200 GPa and yield stress is 450 MPa. Using von Mises criteria, the maximum permissible pressure is ______MPa (rounded off to the nearest integer).

Question 63

Type: NAT | Marks: 2

A solid axial bar made of steel with Young’s modulus, 200 GPa and Poisson’s ratio, 0.3, is subjected to uniaxial stress of 50 MPa. The absolute value of the maximum shear strain on the outer surface of the bar is ______× 10−4 (rounded off to two decimal places).

Question 64

Type: NAT | Marks: 2

GATE XE 2026, Solid Mechanics, Q.21: see the question image.

Figure for question 64, GATE XE (Engineering Sciences) 2026

Question 65

Type: NAT | Marks: 2

GATE XE 2026, Solid Mechanics, Q.22: see the question image.

Figure for question 65, GATE XE (Engineering Sciences) 2026

Thermodynamics

Question 66

Marks: 1

GATE XE 2026, Thermodynamics, Q.1: see the question image.

Figure for question 66, GATE XE (Engineering Sciences) 2026

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Question 67

Marks: 1

GATE XE 2026, Thermodynamics, Q.2: see the question image.

Figure for question 67, GATE XE (Engineering Sciences) 2026

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Question 68

Marks: 1

GATE XE 2026, Thermodynamics, Q.3: see the question image.

Figure for question 68, GATE XE (Engineering Sciences) 2026

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Question 69

Marks: 1

Which ONE of the following statements is CORRECT? For an ideal gas, specific enthalpy ( h ) is a function of both temperature and

  • A. pressure.
  • B. Internal energy (U ), entropy ( S ), and enthalpy ( H ) are path functions. (W
  • C. Heat transferred (Q) and work done ) are state (point) functions.
  • D. Temperature (T ), pressure ( P ), and specific volume ( v ) are intensive properties.

Question 70

Marks: 1

A mixture of carbon-dioxide (CO2), nitrogen (N2) and oxygen (O2) are introduced in a rigid and impermeable tank containing only liquid water (H2O). Assume that the components are non-reacting and un-dissociated. The system is kept isolated till an equilibrium is achieved, where only two phases are present. The degrees-of- freedom of the equilibrium mixture, as obtained from the phase rule, is

  • A. 1
  • B. 2
  • C. 3
  • D. 4

Question 71

Marks: 1

GATE XE 2026, Thermodynamics, Q.6: see the question image.

Figure for question 71, GATE XE (Engineering Sciences) 2026

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Question 72

Marks: 1

GATE XE 2026, Thermodynamics, Q.7: see the question image.

Figure for question 72, GATE XE (Engineering Sciences) 2026

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Question 73

Type: NAT | Marks: 1

GATE XE 2026, Thermodynamics, Q.8: see the question image.

Figure for question 73, GATE XE (Engineering Sciences) 2026

Question 74

Type: NAT | Marks: 1

Consider an ideal Otto-cycle with cold-air-standard assumptions to be applicable. The temperature of the working fluid at the start and the end of the compression process is 300 K and 750 K, respectively. For the working fluid take the ratio of the specific heat capacities as 1.4. The thermal efficiency (in %) of the cycle is ________________ (rounded off to two decimal places).

Question 75

Marks: 2

GATE XE 2026, Thermodynamics, Q.10: see the question image.

Figure for question 75, GATE XE (Engineering Sciences) 2026

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Question 76

Marks: 2

GATE XE 2026, Thermodynamics, Q.11: see the question image.

Figure for question 76, GATE XE (Engineering Sciences) 2026

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Question 77

Marks: 2

GATE XE 2026, Thermodynamics, Q.12: see the question image.

Figure for question 77, GATE XE (Engineering Sciences) 2026

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Question 78

Marks: 2

Consider an ideal Rankine cycle with fixed conditions at the turbine inlet. If the condenser pressure is lowered, which of the following statements is/are CORRECT?

  • A. Pump work input remains the same.
  • B. Moisture content at turbine exit decreases.
  • C. Heat rejected in the condenser decreases.
  • D. Turbine work output increases. m3

Question 79

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.14: see the question image.

Figure for question 79, GATE XE (Engineering Sciences) 2026

Question 80

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.15: see the question image.

Figure for question 80, GATE XE (Engineering Sciences) 2026

Question 81

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.16: see the question image.

Figure for question 81, GATE XE (Engineering Sciences) 2026

Question 82

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.17: see the question image.

Figure for question 82, GATE XE (Engineering Sciences) 2026

Question 83

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.18: see the question image.

Figure for question 83, GATE XE (Engineering Sciences) 2026

Question 84

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.19: see the question image.

Figure for question 84, GATE XE (Engineering Sciences) 2026

Question 85

Type: NAT | Marks: 2

Consider an ideal Diesel-cycle with cold-air-standard assumptions to be applicable. The compression ratio is 20 and the cut-off ratio is 1.8. At the end of the compression process, the working fluid is at 1120 K and 6.6 MPa. The ratio of the specific heat capacities is 1.4 for the working fluid. The temperature (in K) at the end of the expansion process is ________________(rounded off to two decimal places).

Question 86

Type: NAT | Marks: 2

A mixture of helium (He) and nitrogen (N2) expands in a turbine from 800 kPa to 100 kPa. The mixture composition is 40% He and 60% N2 by mass. The turbine inlet temperature is 1000 K. The temperature (in K) at the turbine exit is ________________(rounded off to two decimal places). Assume: The process is isentropic. Kinetic and potential energy changes in the process are negligible. He and N2 behaves as ideal gases. Specific heat capacities are constant. Use the following data: Ratio of specific heat capacities for He and N2 are 1.67 and 1.4, respectively. Specific heat capacities at constant pressure for He and N2 are 5.19 kJ/kg-K and 1.04 kJ/kg-K, respectively.

Question 87

Type: NAT | Marks: 2

GATE XE 2026, Thermodynamics, Q.22: see the question image.

Figure for question 87, GATE XE (Engineering Sciences) 2026

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