What topics are covered on Page 2 of GATE 2026 Mechanical Engineering questions?

Page 2 contains Questions 14 to 26. It begins with Fluid Mechanics questions involving compressible pipe flow, Bernoulli equation, a hydraulic crane and diffuser force. The remaining questions include General Aptitude topics such as verbal ability, logarithms, visual reasoning, logical inference, averages, quantitative reasoning and spatial reasoning.

What is the hydraulic crane pressure gauge reading in GATE 2026 Mechanical Engineering?

For the hydraulic crane supporting a 500 kg mass with a 30 cm piston inclined at 60 degrees, the correct pressure gauge reading is 70.71 kPa gauge.

What is the force exerted by the diffuser on the flange in GATE 2026 Mechanical?

For the condenser outlet and coaxial diffuser problem, the magnitude of the force exerted by the diffuser on the flange is 58.60 N.

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Mechanical Engineering Gate 2026 Questions with Answer

Q: Where cannot Bernoulli equation be applied in the GATE 2026 Mechanical question?

The correct answer is that Bernoulli equation cannot be applied between any two arbitrary points in the flow field for steady incompressible rotational flow. It can be applied along an individual streamline under the applicable assumptions.

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Ques 14 GATE 2026

An ideal gas passes isothermally through a long horizontal uniform cross-section pipe under steady flow. Consider that the pressure gradient in the pipe is sufficient for a finite change in the density of the gas. If the flow of the gas is purely pressure driven and subsonic throughout, then the average flow velocity

increases along the flow

decreases along the flow

does not change throughout the pipe

increases in the hydrodynamic entrance region and then decreases thereafter

(a) is the correct answer.

Ques 15 GATE 2026

Bernoulli’s equation CANNOT be applied between

any two arbitrary points in the flow field for steady incompressible rotational flow

any two arbitrary points in the flow field for steady incompressible irrotational flow

any two points along a streamline for steady incompressible flow

any two points along a streamline for steady incompressible rotational flow

(a) is the correct answer.

Ques 16 GATE 2026

A hydraulic crane supports a mass of 500 kg with its piston-cylinder actuator, inclined at 60° with horizontal, as shown in the figure below. The diameter of the piston is 30 cm and gravitational acceleration is 10 m/s². Neglecting mass of the piston, the reading of the pressure gage in kPa (gage) is

61.26

6.13

35.35

70.71

(d) is the correct answer.

Ques 17 GATE 2026

Water with a density of 1000 kg/m³ comes out of an industrial condenser through a horizontal pipe of 15 cm radius at the flow rate of 4.5 m³/min. The outlet of the pipe is connected to a coaxial diffuser of 0.5 m length using a flange to raise the pressure of water to atmospheric condition without any backflow. The inner radius (r, in m) of the diffuser cross-section is expressed as r = 0.15 + 0.4x² where, x represents the axial distance of the diffuser in m, from its inlet. Considering frictionless flow, the magnitude of the force exerted by the diffuser on the flange is ________ N (rounded off to 2 decimal places).

(58.60) is the correct answer.

Ques 18 GATE 2026

‘The team ______ more than 300 runs in 20 overs ___________ rains. However, some players needed to improve their batting skills.’
Choose the option with the correct sequence of words to fill the blanks.

score; despite

scoring; instead of

scored; despite

scoring; in spite of

Ques 19 GATE 2026

If a positive real x satisfies the following equation
log₂x + log_√2x = 48,
then the value of x is _______

2¹⁶

4¹⁶

2¹⁴

4¹⁴

(a) is the correct answer.

Ques 20 GATE 2026

The next figure (indicated by ‘?’) in the sequence is

(d) is the correct answer.

Ques 21 GATE 2026

‘All the mangoes in the basket are good.’
If the above statement is false, then which one of the following statements is necessarily true?

All the mangoes in the basket are not good.

No mango in the basket is good.

In the basket, some of the mangoes are good and some are not good.

There exists at least one mango in the basket that is not good.

(d) is the correct answer.

Ques 22 GATE 2026

Consider the following statements about four numbers:
(S1) The average of the four numbers is 25
(S2) Each number is at most 40
(S3) Each number is at least 20
Choose the option that is necessarily correct.

(S1) and (S2) together imply (S3)

(S2) and (S3) together imply (S1)

(S1) and (S3) together imply (S2)

(S1) implies (S3)

(a) is the correct answer.

Ques 23 GATE 2026

‘People are crowding around ___ pit into which ___ elephant has fallen. I have never seen an elephant looking more bewildered ___ miserable. Here it is in a most undignified position, thrust into a pit and made to look up ___ a vast, curiosity-stricken crowd.’
Choose the option with the correct sequence of words to fill the blanks.

an; a; at; and

a; an; and; at

and; a; an; at

at; a; an; and

(b) is the correct answer.

Ques 24 GATE 2026

The table lists the unit selling price of five products P, Q, R, S, and T. On a particular day, 250 items were sold with the average selling price of Rs. 60.
The following observations were made:
(i) The quantity of S sold was twice that of T.
(ii) The quantity of R sold was thrice that of T.
(iii) The quantity of Q sold was four times that of T.

What is the quantity of product P sold on that day?

(a) is the correct answer.

Ques 25 GATE 2026

Consider a string P of length l that is laid out as a straight-line segment. Another string K is laid out as a semicircular arc with string P as its diameter, as represented in Figure (i). When both the strings are shortened by a length x they can be re-arranged such that the shortened string K forms a full circle with the shortened string P as its diameter, as represented in Figure (ii). The value of x/l is _______

(π-1)/2π

π/2(π-1)

π/(π-1)

Ques 26 GATE 2026

The Roman senator Meritorius, his brother, his son, and his daughter have varying oratory skill levels. They are seated in rows and columns as shown in the figure with exactly one person sitting in each box. It is known that
(i) Meritorius’ daughter and his brother are seated in the same column.
(ii) His son is seated diagonally across the sibling of the worst orator.
(iii) The best and worst orators are seated in the same row.
Who is the best orator?

Meritorius

Meritorius’ brother

Meritorius’ son

Meritorius’ daughter

(a) is the correct answer.

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