Question
An area of 0.5 ha each of groundnut and sunflower is
irrigated every day with a discharge of 1500 l/min to the farm for 24 hr.Each crop receive 10 cm of water. What will be the efficiency of the irrigation systemSolution
Explanation: Water supplied to the farm= 1500×60×24/1000= 2160m3 Irrigation requirement= (10×0.5) +(10×0.5)= 10 ha cm                                    = 1000 m3 (1.0 ha cm= 100 m3) Irrigation efficiency= 1000/2100×100= 46.30
Mutual discourse
Choose the option which best expresses the meaning of the idiom/phrase in bold in the sentence.
The opening batsman's devil-may-care approach may r...Dead Ringer
I. Given the fragility of Mr Wahid's government, U.S. pressure intended to bring the military to heel should be calibrated.
II. I brought him to...
Mare's nest
Select the most appropriate meaning of the following idiom.
To be all at sea
Select the most appropriate meaning of the given idiom.
Pull up your socks
A person who preserves skin of animals
An idiom/phrase is used in three sentences. You need to choose the option that correctly identifies the sentences in which the idiom/phrase has been us...
An idiom/phrase is used in three sentences. You need to choose the option that correctly identifies the sentences in which the idiom/phrase has been us...