Agricultural Engineering Gate Yearwise 



Agricultural Engineering Gate 2015 Questions with Answer

Ques 53 GATE 2015

If x be the highest mean monthly precipitation and y be the mean annual precipitation, then the 'rainfall aggressiveness' to soil erosion is

A

x²/y

B

x/y²

C

y²/x

D

y/x²



Ques 54 GATE 2015

Discharge through an irrigation outlet is independent of the water levels in the distributary and water courses in case of

A

non-modular outlet

B

semi-modular outlet

C

Kennedy's gauge outlet

D

Gibb's module outlet



Ques 55 GATE 2015

The USDA classification of irrigation water with regard to alkali and salinity hazards is based on

A

Exchangeable sodium percentage and pH

B

Electrical conductivity and Sodium adsorption ratio

C

Electrical conductivity and pH

D

Sodium percentage and pH



Ques 56 GATE 2015

A steady discharge of 60 m³ s⁻¹ is passing through a trapezoidal irrigation channel with a bottom width of 5 m, bed slope of 0.01% and Manning's roughness coefficient of 0.025. The conveyance of the channel in m³ s is



Ques 57 GATE 2015

Dupuit-Forchheimer assumptions are used for analyzing groundwater flow in

A

confined aquifers

B

leaky confined aquifers

C

unconfined aquifers

D

both confined and unconfined aquifers



Ques 58 GATE 2015

An unsteady time-drawdown pumping test was conducted in a confined aquifer and the drawdown was measured with time in an observation well located at a certain distance away from the pumping well. Using these time-drawdown data, we can determine

A

transmissivity only

B

storage coefficient only

C

specific storage only

D

both transmissivity and storage coefficient



Ques 59 GATE 2015

Mole drain is the most suitable drainage system for

A

heavy clay soil

B

loamy soil

C

sandy soil

D

silty soil



Ques 60 GATE 2015

A catchment of 720 ha area has 25-year mean rainfall intensity of 100 mm h⁻¹ occurring for a duration equal to its time of concentration. During a storm event, the catchment received a total of 7.5 cm design rainfall for 6 hours. Assuming φ-index of 0.25 cm h⁻¹ and runoff coefficient of 0.6, the peak ordinate of the 6-h unit hydrograph in m³ s⁻¹ will be _______.



Ques 61 GATE 2015

A propeller type wind turbine of 8 m diameter generates 4 kW electrical power. If the overall efficiency of power generation system is 32% and the density of air is 1.2 kg m⁻³, the average wind speed in m s⁻¹ is _______.



Ques 62 GATE 2015

The conversion efficiency of a solar cell is 12%. For a maximum power output of 9×10³ W at an incident solar radiation of 250 W m⁻², the required surface area of the solar cell in m² will be



Ques 63 GATE 2015

The non-combustible constituents of the producer gas are

A

Carbon monoxide and Hydrogen

B

Hydrogen and Methane

C

Nitrogen and Carbon dioxide

D

Carbon monoxide and Nitrogen



Ques 64 GATE 2015

The incorrect statement from the following is

A

The peak runoff from an agricultural watershed is generally less than that from an urban watershed of the same area

B

The horizontal hydraulic conductivity of soil is less than its vertical hydraulic conductivity

C

The magnitude of a 75-year flood is less than that of a 100-year flood

D

The rating curve due to an unsteady flood event forms a loop



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