Agricultural Engineering Gate 2026 Questions with Answer

Ques 27 GATE 2026


Specific heat, coefficient of viscosity, and thermal conductivity are related in the

A

Prandtl number

B

Reynolds number

C

Froude number

D

Biot number


(a) is the correct answer.

Ques 28 GATE 2026


Mechanical model/method NOT related to rheological behaviour of food products is known as

A

Liebman’s method

B

Newton’s model

C

Maxwell’s model

D

Saint-Venant’s model


(a) is the correct answer.

Ques 29 GATE 2026


The ratio of moisture content on wet basis to moisture content on dry basis for wheat grain is 4:5. The ratio of weight of dry matter to weight of water in the grain is

A

4:1

B

4:5

C

1:4

D

5:4


(d) is the correct answer.

Ques 30 GATE 2026


In grinding of black pepper, 80% feed passes through 6 mm screen, and 80% product passes through 0.5 mm screen. The gross energy required is 10 kW.h per ton of material. Assuming Bond’s law holds good, and for the same feed conditions, if 80% product passes through 0.2 mm screen, the energy required, in kW.h per ton of material, is nearest to

A

18.17

B

9.09

C

5.50

D

11.00


(a) is the correct answer.

Ques 31 GATE 2026


A single effect evaporator is used to concentrate orange fruit juice with 2.7:1 concentration ratio of product solid to feed solid. The juice is fed to the evaporator at 100 kg.h−1 and 30 °C, where the product moisture evaporates at 60 °C. The specific heat of juice is 3.9 kJ.kg−1.°C−1. The latent heat of vaporisation at 60 °C is 2450 kJ.kg−1. Heat to accomplish the evaporation, in MJ.h−1, is nearest to

A

165.96

B

117.06

C

154.26

D

142.56


(d) is the correct answer.

Ques 32 GATE 2026


At 60 °C dry bulb temperature, saturated water vapour pressure is 20 kPa and relative humidity is 20%. The corresponding absolute humidity of air at atmospheric pressure is nearest to
(Take molecular weight of water = 18.02 g.mol−1, molecular weight of air = 28.97 g.mol−1, and atmospheric pressure = 101.325 kPa)

A

0.026

B

0.032

C

0.004

D

0.041


(a) is the correct answer.

Ques 33 GATE 2026


Pasteurisation of milk can be carried out either at 91 °C for 3 s or at 73 °C for 30 s to inactivate vegetative cells of microorganism(s). The sterilisation value is 10 in both the cases. Thermal death time constant (z value) for reference temperatures of 73 °C and 91°C, in °C, is nearest to

A

18.0

B

1.8

C

9.0

D

0.9


(c) is the correct answer.

Ques 34 GATE 2026


Mass fractions of carbohydrate, protein, fat, ash, and water in banana are 0.220, 0.010, 0.005, 0.015, and 0.750, respectively. The density of carbohydrate, protein, fat, ash, and water are 1550, 1220, 900, 610, and 1000 kg.m−3, respectively. The density of banana, in kg.m−3, is nearest to

A

1116.85

B

1056.05

C

1000.00

D

1107.70


(b) is the correct answer.

Ques 35 GATE 2026


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.


(d) is the correct answer.

Ques 36 GATE 2026


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

A

B

C

D


(c) is the correct answer.

Ques 37 GATE 2026


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 ________.

A

2

B

3

C

4

D

5


(a) is the correct answer.

Ques 38 GATE 2026


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


(d) is the correct answer.

Ques 39 GATE 2026


A coin with heads facing up is shown as (H) and a coin with tails facing up is shown as (T).
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 ________.
Starting Arrangement: H H H T T T
Final Arrangement: T T T H H H

A

3

B

6

C

9

D

12


(c) is the correct answer.

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