Unit 2: Soil Types

Which of the following materials is NOT considered a major soil type?

According to the AASHTO classification system, what is the maximum grain size (in mm) for sand particles?

What is the primary distinction between coarse-grained and fine-grained soil?

Which of the following soil types would require magnification to be seen?

Which of these organizations is NOT mentioned as contributing to the classification of soil types?

Which of the following statements about clay is NOT true based on the provided text?

Based on the text, what property allows a soil to be deformed without cracking or significant volume change?

Which of the following descriptions best characterizes cohesionless soil?

What is considered the parent material of a soil?

Which of the following would be classified as a cohesive soil based on the provided information?

What is the main difference between silt and clay?

Based on the text, soil structure refers to:

Which of the following would be considered a coarse-grained soil?

What is the primary criterion for categorizing soil types?

Which property is used when soil particle size is too small to be observed?

What significantly influences the properties and behaviors of soils apart from particle size?

Why is it important to recognize various soil properties in engineering applications?

What is the term used to describe the ability of soil to deform?

Which type of soil is characterized by the interaction with water according to the content?

What is the significance of understanding clay mineralogy in soils?

Which of the following aspects is NOT covered in the examination of soil types?

What is the primary mineral constituent of kaolin?

Which property of a soil refers to its ability to decrease in volume when under load?

What type of structure is characterized by individual soil particles and is typical of coarse-grained soils?

Which term describes the effect of remolding on the consistency of cohesive soil?

What is the result of the thixotropic process in a soil material?

What describes the structure created by the repulsion of clay particles leading to face-to-face orientation?

Which mineral is known for its ability to swell when wet and shrink upon drying?

What term refers to the removal of soluble soil material by percolating water?

What is the primary basis for categorizing soil types when particle size is easily observable?

Beyond particle size, what additional property is used to categorize soils with extremely small particles that cannot be directly observed?

What is also used in addition to particle size to help understand soil properties?

Which of the following is NOT explicitly mentioned in the text as a factor influencing soil behavior?

What does plasticity of a soil directly indicate?

What is a crucial aspect of understanding soil that the module aims to highlight?

What is the primary role of particle size in relation to soil categorization?

Which of the following is NOT mentioned as a core aim of the module?

What distinguishes a cohesive soil from a cohesionless soil?

Which of these best defines 'soil texture'?

How are 'colloidal particles' defined in the context of soil?

What is the primary characteristic of a 'non-plastic' soil?

According to the content, what particle size distinguishes 'clay' from other soil types?

Which of the following statements accurately describes 'silt'?

What term describes the property of soil that allows it to deform without cracking or significant volume change?

What is the definition of a 'soil' according to the provided information?

What are the two primary groups into which soil types are categorized?

According to the AASHTO classification system, what is the minimum grain size (in mm) for gravel particles?

Which of the following soils is classified as fine-grained soil?

What is the primary difference between gravel and sand based on their grain sizes according to the AASHTO classification system?

What organization is NOT involved in determining the classification of soil types?

Which mineral is characterized by its ability to swell when wet and shrink upon drying?

What term describes the ability of a soil to stiffen when standing but become fluid upon agitation?

What is the primary component of kaolin?

What type of soil structure is typified by the arrangement of individual soil particles?

Which property pertains to a soil's susceptibility to decrease in volume when subjected to load?

Which term describes the removal of soluble soil materials by percolating water?

What describes the structure caused by the aggregation of minute soil particles?

Which term refers to soil that has had its natural structure altered by manipulation?

According to the provided information, what does 'interstitial' refer to?

What is the primary distinction, based on particle size observability, between coarse-grained and fine-grained soils?

What is the minimum grain size (in mm) for silt, according to the AASHTO classification system?

Which of the following accurately represents the grain size relationship between gravel and sand, according to the AASHTO classification system?

Which of these clay minerals is characterized by a sheet-like structure prone to swelling when wet?

What term describes the arrangement of soil particles in a loosely packed, stable structure resembling a honeycomb?

A soil's consistency, which influences how readily it deforms, is most directly affected by its:

What is the defining characteristic of a soil undergoing thixotropy when left standing?

The term 'leaching' in soil science specifically refers to:

What type of soil structure is produced when clay particles are repelled from each other, leading to a face-to-face orientation?

Which of the following is NOT a primary factor influencing the assessment of soil suitability for engineering applications, as highlighted in the provided text?

What best describes a 'remolded' soil?

What is the main criterion for categorizing soils when particle size is readily discernible?

Which term best describes the formation of loose, open clusters of soil particles in a suspension?

What is the primary purpose of evaluating the plasticity of a soil?

Which of these is a key factor, in addition to particle size, that significantly impacts soil properties and behavior?

What aspect of soil behaviour is MOST affected by its plasticity?

What are cohesive soils primarily characterized by, according to the text?

Which of the following statements is FALSE regarding the role of water in soil behavior?

What is being evaluated when determining the soil's consistency?

Which of the following best describes the term 'soil structure'?

What is the distinguishing characteristic of a 'cohesive soil' according to the text provided?

What is the main difference between 'silt' and 'clay' based on the information provided?

What constitutes the 'parent material' of a soil?

What does the term 'plasticity' refer to in the context of soil properties?

Based on the provided text, how are 'collodial particles' characterized?

What distinguishes a 'non-plastic' soil from other soil types, according to the text?

What is the main feature of 'soil texture' as defined in the provided text?