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BARC19 Hydrology & Irrigation Nuclear Quiz 1
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Question 1
A catchment of area 100 ha received a rainfall of 10 cm in 2 h due to storm. At the outlet of the catchment, the stream draining the catchment was dry before the storm and experienced a runoff lasting for 8 h with an average discharge value of 2 m3/s. the stream was again dry after the runoff event. What is the loss of water?
Question 2
An isohyet is line joining points of
Question 3
If the specific capacity of a well is 1.166 L/s, then discharge from this well under a depression head of 2.5 m will be
Question 4
According to Koshla’s theory of independent variables for seepage below hydraulic structure,
The exit gradient in the absence of downstream sheet pile is
The exit gradient in the absence of downstream sheet pile is
Question 5
What is the moisture depth available for evapotranspiration in the root zone of 1.5m depth soil, if the dry weight of the soil is 1.5 g/cc, field capacity is 30% and the permanent witting point is 12%?
Question 6
A firm was supplied water from irrigation tank at a rate of 100 L/s to irrigate an area of 5.0 ha. The duration of irrigation is 10 h. it was found that the actual delivery at the field which is about 10 km from the tank, was 80 L/s. the runoff loss in the was estimated 1000 m3. The water application efficiency in this situation is
Question 7
Consumptive use of a crop during growth, is the amount of
Question 8
Which of the following statements are correct?
1) A fine sprinkle of precipitation of small and rather uniform water drops with all drop diameters below 0.10 mm is called as drizzle.
2) The precipitation of liquid water with every drop diameter less than 0.5 mm is known as rain.
3) Precipitation in the form of balls or irregular lumps of ice each over 5 mm in diameter is called as hail.
4) Dew is formed directly by condensation on the ground mainly during night when the surface has been cooled by outgoing radiation
1) A fine sprinkle of precipitation of small and rather uniform water drops with all drop diameters below 0.10 mm is called as drizzle.
2) The precipitation of liquid water with every drop diameter less than 0.5 mm is known as rain.
3) Precipitation in the form of balls or irregular lumps of ice each over 5 mm in diameter is called as hail.
4) Dew is formed directly by condensation on the ground mainly during night when the surface has been cooled by outgoing radiation
Question 9
Over a basin of area 333 km2, there was a storm for 6 h with a uniform intensity of 2 cm/h. The observed runoff was 20×106 m3. The average rate of infiltration for the basin was
Question 10
The area between the two isohyetes 45 cm and 55 cm is 100 km2, and that between 55 cm and 65 is 150 km2. What is the average depth of annual precipitation over the total basin area of 250 km2?
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ESE & GATE CEGeneralMar 19ESE & GATE CE
