GATE ME year:2025 PYQs & Answers — Page 2

Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 2 of 7

Let A and B be real symmetric matrices of same size. Which one of the following options is correct?

Your answerChoose one option.

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For the differential equation given below, which one of the following options is correct?

Your answerChoose one option.

is a solution for all x and y

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The divergence of the curl of a vector field is

Your answerChoose one option.

the magnitude of this vector field

the argument of this vector field

the magnitude of the curl of this vector field

zero

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If two unbiased coins are tossed, then what is the probability of having at least one head?

Your answerChoose one option.

0.25

0.5

0.675

0.75

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Let a spherical block of ice at

be exposed to atmospheric air at

with the gravitational direction as shown in the figure below. What will be the overall direction of air flow in this situation?

Diagram for Mechanical Engineering question 15

Your answerChoose one option.

Upward

Downward

NO motion

Sideward

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Consider two identical tanks with a bottom hole of diameter

. One tank is filled with water and the other tank is filled with engine oil. The height of the fluid column

is same in both the cases. The fluid exit velocity in the tanks are

and

. Neglecting all losses, which one of the following options is correct?

Diagram for Mechanical Engineering question 16

Your answerChoose one option.

Insufficient data to definitely conclude the relationship between

and

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In a laboratory experiment using a scaled down model to measure scour at a bridge pier, the Froude number is important. The ratio of the prototype length to the model length is 100. If the velocity of the model is 1 m s

, the velocity (in m s

) of the prototype is

Your answerChoose one option.

0.1

100

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Air inside a rigid, thermally-insulated tank undergoes stirring as shown in the figure below. Which one of the following options is correct?

Diagram for Mechanical Engineering question 18

Your answerChoose one option.

The enthalpy of the air increases while the entropy of the air remains constant

Both the enthalpy and the entropy of the air remain constant

Both the enthalpy and the entropy of the air increase

The enthalpy of the air decreases while the entropy of the air increases

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In a psychometric chart, one axis represents dry-bulb temperature. The axis, that is perpendicular to the dry-bulb temperature axis, represents

Your answerChoose one option.

wet-bulb temperature

specific humidity

relative humidity

enthalpy

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Among the following surface hardening processes, steel is heated to the lowest temperature in

Your answerChoose one option.

carburizing

cyaniding

nitriding

carbonitriding

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GATE ME year:2025 PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20