What is the simple formula for calculating Infiltration Rates?

What is the simple formula for calculating Infiltration Rates?
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1 Answer

Answer :

I would say use the mm/min equation then multiply by 60 to get the mm/hour.
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Infiltration rate is relatively higher in

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Last Answer : Ans. Sandy soil

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Which of the following are included in the finishing operations for porous bearing? [IES-2005] 1. Infiltration 2.Sizing 3.Heat treatment 4.Coining Select the using the code given below: (a) 1 and 2 (b) 2 and 3 (c) 2 and 4 (d) 1 and 4

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The nearly constant rate of infiltration that develops after some time has elapsed from the start of irrigation is termed as? [a] Infiltration rate [b] Infiltration velocity [c] Basic Infiltration rate [d] Constant infiltration velocity [e] None of the above

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In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of (A) Use of non-preheated combustion air (B) Use of pulverised solid fuels (C) Imperfect mixing of fuel & air and infiltration of air (D) Use of excessive positive draft in the furnace

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Capacity of soil to absorb moisture, is generally known as (A) Permeability (B) Porosity (C) Infiltration capacity (D) Perviousness

Description : Capacity of soil to absorb moisture, is generally known as (A) Permeability (B) Porosity (C) Infiltration capacity (D) Perviousness

Last Answer : (C) Infiltration capacity

Water to the consumers may be supplied from (A) Infiltration galleries connected to sump well (B) Infiltration well dug out on the banks of rivers (C) Ranney wells sunk to the water level (D) All the above

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Pick up the incorrect statement from the following. The underground sources of water, is from (A) Wells (B) Springs (C) Infiltration wells (D) Storage reservoirs

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An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 cm/hr, the maximum run-off rate based on 10 minute peak percentage of 16% from distributing graph of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

Description : An intense rain is falling at a uniform rate of 7.5 cm/hour for a period of 60 minutes on a basin whose area is 500 hectares. If the average infiltration capacity during the entire rain period is assumed to be 1.5 ... of the basin, is (A) 40 cumecs (B) 60 cumecs (C) 80 cumecs (D) 100 cumecs

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If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is : (A) 2 cm (B) 3 cm (C) 5 cm (D) 7 cm

Description : If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is : (A) 2 cm (B) 3 cm (C) 5 cm (D) 7 cm

Last Answer : Answer: Option C

If the slope of a line for infiltration capacity curve is 1/1.737, the value of constant k in Horton's equation of infiltration capacity curve, is (A) 2.0 (B) 2.5 (C) 4.0 (D) 5.0

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Last Answer : Answer: Option C

According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings) (A) f = fc (fo - fc ) e kt (B) f = ft - (fo - fc ) e -kt (C) f = ft + (fo - fc ) e -kt (D) f = f + (fo - fc ) ekt

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Last Answer : Answer: Option C

The main factor which affects the infiltration capacity, is (A) Thickness of saturated layer (B) Depth of surface detention (C) Soil moisture (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) When rainfall rate exceeds the infiltration capacity, the water enters the soil at full capacity rate (B) When rainfall rate is less than the infiltration capacity, the infiltration rate is approximately equal to the rainfall rate (C) The actual infiltration rate at any time may be equal to or less than the infiltration capacity (D) All the above

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Last Answer : Answer: Option D

The infiltration capacity during rain storm, is considerably reduced due to (A) Surface detention (B) Soil moisture (C) Compaction due to rain (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception (B) The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall (C) When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts (D) All the above

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Last Answer : Answer: Option D