महाराष्ट्र कृषि सेवा मुख्य परीक्षा २०१७

Which one of the following options is not a geomorphological characteristic of a watershed ?

If,

A = Area of pond at G.L. (m²)

B = Area of pond at middle (m²)

C = Area of pond at bottom (m²)

V = Volume of pond (m³)

D = Average depth of pond (m),

which of the following relations is used to find the volume of the farm pond in mo? 

Triangular V-notch (90° triangular weir) is a simple flow measuring instrument used for evaluation of watershed development programme. Which is the discharge formula for this instrument ?

For land use planning, land capability classification maps are prepared. Which type of land capability class the area demarked with green colour represent?

The surface of a channel which is in contact with water is called 

The drainage density of any catchment/watershed varies inversely with the

The type of flow in which the fluid characteristics like velocity, pressure, density, etc. at a point do not change with time, is called 

Velocity head is the pressure, expressed in metres of water, required to create the velocity of flow, is expressed as

q = k_d H^x
where
   q = emitter flow rate in lph
   H = working pressure head at emitter, m
   k= discharge coefficient
   x = emitter discharge exponent
In this equation, the lower value of 'x' denotes

Infiltration rate of any soil is generally expressed by the following form of equation : 

The typical characteristic curves of a centrifugal pump show the relationship amongst

a. Discharge
b. Total head

c. Brake horse power
d. Efficiency
Answer options :

A canal aligned at right angles to the contours is a

The criteria for judging the performance of outlets or modules are:

a. Flexibility
b. Proportionality

c. Sensitivity
d. Uniformity

e. Setting

Answer options:

The bedding system of surface drainage is mostly used for

a. Flat soils
b. Steep slopy soils
c. Poorly drained soils with low permeability

d. Sandy soils with high permeability

Answer options : 

Cover material is applied to pipe drains

a. to facilitate water flow into the drain.

b. to prevent the entry of soil particles into the drain.

Answer options :

A 36 hectare catchment area having a drainage coefficient of 2:40 cm, will yield a discharge of

Which one of the following formulae is used to design drain spacing under unsteady state condition ?

Which of the following operations requires moving large quantities of earth over considerable distances?  

a. Rough grading
b. Land levelling 

c. Land smoothening
d. Land planning 

Answer options : 

Which of the following statements is true ? 

The recommended safe limits of land slope (longitudinal slope, %) for efficient irrigation for heavy clay soils is