Optimum depth of kor watering for rice is______________?
Optimum depth of kor watering for rice is______________?
A. 135 mm
B. 165 mm
C. 190 mm
D. 215 mm
Similar Posts
A river training work is generally required when the river is_______________?
A river training work is generally required when the river is_______________?A. aggrading type
B. degrading type
C. meandering type
D. both (A) and (B)As per Lacey’s theory, the silt factor is_________________?
As per Lacey’s theory, the silt factor is_________________?A. directly proportional to average par¬ticle size
B. inversely proportional to average par¬ticle size
C. directly proportional to square root of average particle size
D. not related to average particle sizeCyclonic precipitation is caused by lifting of an air mass due to________________?
Cyclonic precipitation is caused by lifting of an air mass due to________________?A. pressure difference
B. temperature difference
C. natural topographical barriers
D. all of the aboveThe main cause of meandering is________________?
The main cause of meandering is________________?A. presence of an excessive bed slope in the river
B. degradation
C. the extra turbulence generated by the excess of river sediment during floods
D. none of the aboveTo determine the discharge at a section in a stream from its rating curve, the required data are_______________?
To determine the discharge at a section in a stream from its rating curve, the required data are_______________?1) slope of water surface at the section
2) stage at the section
3) current meter readings at the section
The correct answer is?
A. (1) and (2)
B. (2) and (3)
C. only (2)
D. only (3)The major resisting force in a gravity dam is___________________?
The major resisting force in a gravity dam is___________________?A. water pressure
B. wave pressure
C. self-weight of dam
D. uplift pressure