Soil Lab Reviewer-quiz For Finals
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What is the title of Exp. 1?
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- 2.
What is the title of Exp. 2?
- 3.
What is the title of Exp. 3?
Explanation
The title of Experiment 3 is "specific gravity of soil".Rate this question:
- 4.
What is the title of Exp. 4?
Explanation
The title of Exp. 4 is "in-place density test" or "in place density test".Rate this question:
- 5.
What is the title of Exp. 5?
Explanation
The correct answer is "compaction test" because the title of Experiment 5 is referring to the compaction test. This suggests that Experiment 5 is focused on conducting a test to determine the compaction characteristics of a material, which is an important aspect in construction and geotechnical engineering.Rate this question:
- 6.
What is the title of Exp. 6?
Explanation
The title of Experiment 6 is "sieve analysis."Rate this question:
- 7.
What is the title of Exp. 7?
Explanation
The correct answer is "hydrometer analysis" because it is the title of Experiment 7.Rate this question:
- 8.
What is the title of Exp. 8?
Explanation
The title of Experiment 8 is "water repellency test" because it is specifically mentioned in the question.Rate this question:
- 9.
What is the title of Exp. 9?
Explanation
The title of Experiment 9 is "volume expansion test."Rate this question:
- 10.
What is the title of Exp. 10?
Explanation
The title of Experiment 10 is "Visual Classification of Soils." This suggests that the experiment involves a method or process of classifying soils based on visual characteristics. It is likely that the experiment focuses on visually identifying and categorizing different types of soils based on their appearance, color, texture, or other observable features.Rate this question:
- 11.
In Exp. 2, the specimen used was a soil passing sieve No. ___.
Explanation
In Experiment 2, the specimen used was a soil passing sieve No. 40. This means that the soil used in the experiment was able to pass through a sieve with a mesh size of No. 40. The sieve number indicates the size of the openings in the sieve, with a higher number indicating smaller openings. Therefore, the soil used in the experiment was relatively fine-grained and able to pass through a sieve with small openings.Rate this question:
- 12.
In Exp. 2, the point on the cup that comes in contact with the base should rise to a height of __ mm.
Explanation
The height of the point on the cup that comes in contact with the base should rise to a height of 10 mm.Rate this question:
- 13.
In Exp. 2, if the number of drops exceeds ___, then go directly to step eight and do not record the number of drops, otherwise, record the number of drops on the data sheet.
Explanation
If the number of drops in Experiment 2 exceeds 50, then the instruction is to skip to step eight without recording the number of drops. However, if the number of drops is 50 or less, then the instruction is to record the number of drops on the data sheet.Rate this question:
- 14.
In _______ test, you form the soil into an ellipsoidal mass. You roll the mass between the palm or the fingers and the glass plate.
Explanation
The correct answer is plastic limit. In the plastic limit test, the soil is formed into an ellipsoidal mass and then rolled between the palm or fingers and a glass plate. This test is used to determine the moisture content at which the soil transitions from a plastic state to a semi-solid state. Plasticity refers to the ability of a material, in this case, soil, to undergo deformation without breaking or cracking. Plastic is a term used to describe materials that can be easily molded or shaped.Rate this question:
- 15.
This formula is for?
Explanation
This formula is used to calculate the liquid limit (LL) of a substance. The liquid limit is a property of soil that represents the moisture content at which the soil transitions from a plastic state to a liquid state. This formula helps determine the LL value by considering various factors such as the number of blows required for the soil to flow and the moisture content of the soil sample.Rate this question:
- 16.
This formula is for?
Explanation
The correct answer for this question is PL, which stands for plastic limit. The term "plastic limit" refers to the moisture content at which a soil becomes plastic and can be molded into different shapes without breaking. This formula is used to determine the plastic limit of a soil sample, which is an important parameter in geotechnical engineering and soil mechanics. By knowing the plastic limit, engineers can assess the soil's behavior and make informed decisions regarding its use in construction projects.Rate this question:
- 17.
This formula is for?
Explanation
The correct answer is FI, flow index. The formula is used to calculate the flow index, which is a measure of the flowability of a material. The flow index indicates how easily a material can flow under a specific set of conditions.Rate this question:
- 18.
This formula is for?
Explanation
The formula is for calculating the plasticity index (PI). The plasticity index is a measure of the range of moisture content over which a soil exhibits plastic behavior. It is calculated by subtracting the liquid limit from the plastic limit. This index is important in geotechnical engineering as it helps determine the soil's behavior and suitability for construction purposes.Rate this question:
- 19.
In Exp. 3, 150 grams of soil was used passing sieve no. ___.
Explanation
In Experiment 3, the soil sample was passed through sieve no. 12. This means that the soil was sieved using a sieve with 12 mesh openings per inch. Sieving is a common method used to separate particles of different sizes in soil samples. By using sieve no. 12, the experimenters were able to remove any larger particles from the soil sample, leaving only the finer particles that were able to pass through the sieve. This step is important in order to ensure uniformity and consistency in the soil sample used for further analysis or experimentation.Rate this question:
- 20.
This formula is for?
Explanation
The given formula is for calculating specific gravity (SG). Specific gravity is a measurement used to compare the density of a substance to the density of a reference substance, usually water. It helps to determine the relative density or heaviness of a substance.Rate this question:
- 21.
In Exp. 4, the soil specimen used was an oven-dried sand that pass through No. 30 sieve and retained on No. ___ sieve.
Explanation
The correct answer is 40. This indicates that the soil specimen used in Experiment 4 was an oven-dried sand that passed through a No. 30 sieve and was retained on a No. 40 sieve. This means that the sand particles were relatively fine, with a particle size between the sizes of the No. 30 and No. 40 sieves.Rate this question:
- 22.
The mold used in Exp. 4 (In-Place Density Test).
Explanation
The correct answer is "standard proctor compaction mold." This type of mold is used in the In-Place Density Test, also known as the Proctor Test. This test is used to determine the maximum dry density and optimum moisture content of a soil sample. The standard proctor compaction mold is specifically designed to hold a specific volume of soil and allow for compaction using a hammer. This mold ensures that the soil sample is compacted under controlled conditions, allowing for accurate density measurements.Rate this question:
- 23.
In compaction test, ____________ is the amount of mechanical energy that is applied to the soil mass.
Explanation
In a compaction test, the compactive effort refers to the amount of mechanical energy that is applied to the soil mass. This energy is used to compact the soil and increase its density. The compactive effort can be controlled by adjusting factors such as the weight of the compaction equipment, the number of passes made over the soil, and the speed of the equipment. By applying the appropriate compactive effort, the soil can be compacted to achieve the desired level of density and strength.Rate this question:
- 24.
In the Standard Proctor Test, the soil is compacted by a ____ lb hammer falling a distance of one foot into a soil filled mold.
- 25.
In the Standard Proctor Test, the mold is filled with three equal layers of soil, and each layer is subjected to ___ drops of the hammer.
Explanation
In the Standard Proctor Test, the mold is filled with three equal layers of soil, and each layer is subjected to 25 drops of the hammer. This is because 25 drops is the standard number of drops specified in the test procedure. The purpose of the drops is to compact the soil and simulate the effect of repeated loading on the soil in the field. By subjecting each layer to the same number of drops, it ensures consistency and allows for accurate comparison of different soil samples.Rate this question:
- 26.
In the Standard Proctor Test, the type of compaction mold that will be used for the testing is of the smaller type, which is __ inches in diameter and has a volume of about 1/30 ft3 (944 cm3).
Explanation
The correct answer is 4. In the Standard Proctor Test, a smaller type of compaction mold is used, which has a diameter of 4 inches and a volume of about 1/30 ft3 (944 cm3). This mold size is commonly used in the test to compact the soil sample and determine its maximum dry density and optimum moisture content.Rate this question:
- 27.
In Exp. 5, the soil specimen used was a 5kg of soil passing sieve no. ___.
Explanation
In this experiment, a soil specimen weighing 5kg was used. The soil specimen was required to pass through a specific sieve number. The correct answer is 4, indicating that the soil specimen used in the experiment passed through sieve number 4.Rate this question:
- 28.
In Exp. 5 Compaction Test, remove the soil from the mold using a _____________ and take soil moisture content samples from the top and bottom of the specimen. Fill the moisture cans with soil and determine the water content.
Explanation
In the compaction test, the soil needs to be removed from the mold after the test is conducted. To do this, a mechanical extruder is used. The mechanical extruder helps in easily and efficiently removing the compacted soil from the mold. After removing the soil, moisture content samples need to be taken from the top and bottom of the specimen. This is done by filling moisture cans with soil and then determining the water content.Rate this question:
- 29.
It is usually made of glass and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float upright.
Explanation
A hydrometer is a device used to measure the specific gravity or density of a liquid. It is typically made of glass and has a cylindrical stem with a bulb at the bottom. The bulb is weighted with mercury or lead shot to make it float upright in the liquid being measured. By measuring the depth to which the hydrometer sinks, the density of the liquid can be determined.Rate this question:
- 30.
The ______________ is the difference between the top of the meniscus and the level of the solution on the control jar (Usually about +1).
Explanation
The meniscus correction refers to the difference in height between the top of the meniscus (the curved surface of a liquid in a container) and the level of the solution in the control jar. This correction is typically around +1, indicating that the meniscus is slightly higher than the solution level. This correction is important to consider when accurately measuring the volume of a liquid in a container, as the meniscus can distort the true level of the liquid.Rate this question:
- 31.
What does the soil symbol ML means?
Explanation
The soil symbol ML refers to silt. Silt is a type of soil particle that is smaller than sand but larger than clay. It has moderate water holding capacity and is known for its smooth, fine texture. Silt soils are fertile and can retain nutrients well, making them suitable for agriculture. They have good drainage properties and are less prone to erosion compared to sandy soils.Rate this question:
- 32.
What does the soil symbol CL means?
Explanation
The soil symbol CL represents lean clay. Lean clay refers to a type of clay soil that has a low plasticity index and a low clay content. It is characterized by its relatively low strength and high compressibility. Lean clay is often found in areas with poor drainage and can cause stability issues in construction projects.Rate this question:
- 33.
What does the soil symbol MH means?
Explanation
The symbol MH represents elastic soil. This means that the soil has the property of elasticity, which allows it to deform under stress and then return to its original shape once the stress is removed. Elastic soils can undergo significant changes in volume and shape without undergoing permanent deformation, making them suitable for certain engineering applications.Rate this question:
- 34.
What does the soil symbol CH means?
Explanation
The soil symbol CH represents fat clay. Fat clay refers to a type of soil that contains a high percentage of clay particles. This type of soil has a high plasticity and can easily be molded when wet, but becomes hard and compact when dry. It has poor drainage and can retain water for long periods of time. Fat clay is often associated with shrinkage and swelling, which can cause structural problems in buildings and infrastructure.Rate this question:
- 35.
In Exp. 10, under coarse grained soils, if more than half of coarse fraction is larger than 4.75mm, it is __________ soils.
Explanation
If more than half of the coarse fraction in a soil sample is larger than 4.75mm, it is classified as gravelly soil.Rate this question:
- 36.
What is the full name of Ma'am Lara?
Explanation
The full name of Ma'am Lara is Lara Camille L. Aloot.Rate this question:
- 37.
What is the full name of Ma'am Shane?
Explanation
The full name of Ma'am Shane is Shane L. Alolod.Rate this question:
- 38.
Give one of the four (4) soil particle shapes.
Explanation
The correct answer is a list of four different soil particle shapes: angular, subangular, rounded, and subrounded. These terms describe the physical appearance of soil particles and help classify them based on their shape. Angular particles have sharp edges and corners, while subangular particles have slightly rounded edges. Rounded particles are smooth and have no sharp edges, and subrounded particles have slightly rounded edges. These classifications are important in understanding soil properties and behaviors, such as water retention and drainage.Rate this question:
- 39.
In this test in Exp. 10, you mold a sample into 1/8” size ball and let it dry. Test the strength of the dry sample by crushing it between the fingers.
Explanation
The correct answer is "dry strength test" because in this experiment, a sample is molded into a 1/8" size ball and allowed to dry. The strength of the dry sample is then tested by crushing it between the fingers. Therefore, the test being performed is specifically focused on measuring the strength of the sample in its dry state. "Dry strength" alone is not a specific enough term to describe the test being conducted, as it does not indicate the method or purpose of the test.Rate this question:
- 40.
In Exp. 9, put a ______ paper at the bottom of the volume expansion box.
Explanation
In Experiment 9, a filter paper is placed at the bottom of the volume expansion box. This suggests that the purpose of the filter paper is to separate and filter any solid particles or impurities that may be present in the liquid being used in the experiment. The filter paper acts as a barrier, allowing the liquid to pass through while trapping any solid particles, ensuring a clean and clear liquid for accurate measurements and observations during the experiment.Rate this question:
- 41.
In Exp. 6 Sieve Analysis, assemble the sieves in ascending order of sieve number, No. 4 sieve at the top and No. ___ sieve at bottom).
Explanation
In the given question, it is stated that the sieves need to be assembled in ascending order of sieve number. The No. 4 sieve is mentioned to be at the top. Therefore, the bottom sieve should have a higher sieve number than the No. 4 sieve. The only option that satisfies this condition is 200, which is why it is the correct answer.Rate this question:
- 42.
The dispersing agent used in Exp. 7 Hydrometer Analysis.
Explanation
The dispersing agent used in Hydrometer Analysis is water or H2O. In this experiment, a hydrometer is used to measure the particle size distribution of a soil sample. Water is added to the soil sample to create a suspension, allowing the particles to separate and settle according to their sizes. The hydrometer then measures the settling rate of the particles, which can be used to determine the particle size distribution. Water acts as a dispersing agent in this process, ensuring that the particles are evenly suspended and allowing for accurate measurements.Rate this question:
- 43.
It is the ratio, expressed as a percentage, of the mass of "pore" or "free" water in a given mass of soil to the mass of the dry soil solids.
Explanation
The correct answer is water content, moisture content. Water content and moisture content both refer to the ratio of the mass of water in a given mass of soil to the mass of the dry soil solids. It is expressed as a percentage and represents the amount of water present in the soil.Rate this question:
- 44.
In Exp. 2, practice using the cup and determine the correct rate to rotate the crank so that the cup drops approximately ___ times per second.
Explanation
In Experiment 2, participants are instructed to practice using the cup and find the appropriate rate at which to rotate the crank. The goal is to make the cup drop approximately two times per second. This suggests that the correct answer to the question is 2, as "two" is the word that represents the numerical value of 2.Rate this question:
- 45.
In Exp. 3, specific gravity of soil is determined using what apparatus?
Explanation
The correct answer for determining the specific gravity of soil in Exp. 3 is the pycnometer or pycnometer jar. The pycnometer is a small glass container with a known volume that is used to measure the density of a substance. In this case, it is used to measure the density of the soil sample. By comparing the weight of the pycnometer with and without the soil sample, the specific gravity of the soil can be calculated.Rate this question:
- 46.
In this test, the experiment aims to determine the relationship between the moisture content and the dry density of a soil for a specified compactive effort.
Explanation
The correct answer is "compaction test, compaction." In this experiment, the researcher is trying to understand the connection between the moisture content and the dry density of a soil under a specific compactive effort. The term "compaction test" refers to the specific procedure used to measure the compaction characteristics of the soil, while "compaction" is the general process of increasing the density of the soil by applying pressure. Both terms are relevant to the experiment and its objective.Rate this question:
- 47.
The type of compaction test that was employed in the Exp. 5 is the ______________ Test.
Explanation
The correct answer for this question is "standard proctor." This suggests that in Experiment 5, the type of compaction test used was the standard proctor test. The standard proctor test is a common method used to determine the maximum dry density and optimum moisture content of a soil sample, which is important in construction and engineering projects. This test involves compacting the soil at various moisture levels and measuring the resulting density to determine the moisture content that yields the highest density.Rate this question:
- 48.
In Exp. 6 Sieve Analysis, place the sieve stack in the mechanical shaker and shake for ___ minutes or manually but carefully shake the stack.
Explanation
In the experiment of sieve analysis, the sieve stack is placed in a mechanical shaker and shaken for a specific amount of time. The correct answer is 10 minutes, indicating that the sieve stack should be shaken for 10 minutes in the mechanical shaker. This duration ensures that the particles in the sample are properly separated and classified according to their size. Alternatively, the stack can also be shaken manually, but it needs to be done carefully to achieve accurate results.Rate this question:
- 49.
In Sieve Analysis, percent passing is also called as ____________.
Explanation
In Sieve Analysis, percent passing refers to the percentage of particles that are smaller than a particular sieve size. It represents the proportion of material that passes through the sieve and is commonly known as "percent finer". This term is used to describe the size distribution of particles in a soil sample, indicating the amount of fine particles present in relation to the total sample.Rate this question:
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May 20, 2015Quiz Created by
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