1- surface drainage usually requires A-A deep outlet for the main drains C-land smoothing B-A careful topographic survey D-Frequent maintenance 2- Soil is a heterogeneous, poly-phasic, particulate system with often very large interfacial area. We distinguish A-2 phases B- 4 phases C-1 phase D- 3 phases 3- Tensiometers are used to measure
1- surface drainage usually requires A-A deep outlet for the main drains C-land smoothing B-A careful topographic survey D-Frequent maintenance 2- Soil is a heterogeneous, poly-phasic, particulate system with often very large interfacial area. We distinguish A-2 phases B- 4 phases C-1 phase D- 3 phases 3- Tensiometers are used to measure
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question No. (3): Choose the correct answer (A, B, C, and D) of the following
1- surface drainage usually requires
B-A careful topographic survey
A-A deep outlet for the main drains
C-land smoothing
D-Frequent maintenance
2- Soil is a heterogeneous, poly-phasic, particulate system with often very large
interfacial area. We distinguish
A-2 phases
B- 4 phases
C- 1 phase
D- 3 phases
3- Tensiometers are used to measure
A-Soil water tension
B-soil water moisture
C-soil texture
D- Field capacity
4- Potential evapotranspiration is
a-Peak monthly evapotranspiration
b-Evaporation under the conditions of abundance of eater
c-Evaporation per unit water potential head difference
5- The amount of deep percolations during the irrigation process is a function of
A-
The crop type
C-Irrigation depth
E-Irrigation duration
B- the soil properties
D- Irrigation application rate
6- Hygroscopic water
a-is water between Field capacity and wilting point
b-is water measured only by a hygroscope
c-is water at wilting point
d-is cannot be extracted by plants
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