If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?

A. Equal to rate of rainfall
B. Equal to infiltration capacity
C. More than rate of rainfall
D. More than infiltration capacity

Infiltration capacity_________________?

A. Is a constant factor
B. Changes with time
C. Changes with location
D. Changes with both time and location

Infiltration rate is always________________?

A. More than the infiltration capacity
B. Less than the infiltration capacity
C. Equal to or less than the infiltration capacity
D. Equal to or more than the infiltration capacity

With the increase in the quantity of water supplied, the yield of most crops_________________?

A. Increases continuously
B. Decreases continuously
C. Increases upto a certain limit and then becomes constant
D. Increases upto a certain limit and then decreases

The water utilizable by plants is available in soils mainly in the form of________________?

A. Gravity water
B. Capillary water
C. Hydroscopic water
D. Chemical water

For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?

A. Rabi or kharif
B. Rabi and kharif or sugarcane
C. Rabi and sugarcane or kharif and sugarcane
D. Rabi or kharif or sugarcane

The “outlet discharge factor” is the duty at the head of_________________?

A. Main canal
B. Branch canal
C. Watercourse
D. Distributory

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?

A. Low sodium water
B. Medium sodium water
C. High sodium water
D. Very high sodium water

The value of Sodium Absorption Ratio for high sodium water lies between________________?

A. 0 to 10
B. 10 to 18
C. 18 to 26
D. 26 to 34

A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?

A. 60 n
B. 80 n
C. 100 n
D. 120 n