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Chapter 6: Problem 9

Which type of area is best suited for chain survey? Give reasons.

Short Answer

Expert verified
Answer: Chain survey is best suited for small, relatively flat areas with simple, linear boundaries due to its simplicity, accuracy, and cost-effectiveness. This method is ideal for applications such as agriculture, forestry, and property boundary surveys.

Step by step solution

01

Understand Chain Survey

Chain survey is a simple method of surveying that primarily uses a chain or a tape for measuring distances. It is best suited for small and relatively flat areas where accurate measurements are required. It is commonly used in agriculture, forestry, and property surveying.
02

Identify the type of area best suited for chain survey

Chain survey is most suitable for small, relatively flat areas with simple, linear boundaries. This is because the primary instrument used in a chain survey, the chain or tape, is well-suited for measuring straight-line distances.
03

Explain the reasons for the choice of the area

There are a few reasons why small, relatively flat areas with linear boundaries are best suited for chain survey: 1. Simplicity: Chain survey is a straightforward method that relies on simple tools like chains or tapes, and is easiest to apply in uncomplicated areas. 2. Accuracy: In relatively flat areas, the chain or tape can be kept taut, which reduces the risk of measurement errors. 3. Time and cost efficiency: Since chain survey relies on basic tools and techniques, surveying small, simple areas is quicker and more cost-effective than using more complex methods. Overall, chain survey is best suited for small, relatively flat areas with simple, linear boundaries because of its simplicity, accuracy, and cost-effectiveness. It is well-suited for applications such as agriculture, forestry, and property boundary surveys.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Surveying Techniques
Surveying techniques are essential methods used to measure and map the environment around us. While there are numerous methods available, the chain survey is among the oldest and simplest techniques. A chain survey involves measuring distances using a chain or a tape, making it highly suitable for certain types of land areas. The method is particularly beneficial when the area is small, flat, and has simple boundaries, as it uses basic tools.
  • Chain or tape as primary instruments
  • Simplicity due to fewer equipment requirements
  • Used typically for linear measurements
This straightforward technique is popular in various fields like agriculture and forestry due to its efficiency and cost-effectiveness. However, it demands clear sight lines and relatively unobstructed ground, making it less suitable for areas with dense vegetation or complex terrains.
Measurement Accuracy
Measurement accuracy is crucial in surveying as it ensures reliable data collection and analysis. In a chain survey, achieving accuracy depends on several factors, primarily the flatness of the terrain and the right technique usage.
  • Keeping the chain or tape taut to avoid sagging
  • Straight measurements without any deviations
  • Using markers or pegs for consistency
Accuracy improves when working on a flat surface as it helps maintain consistent tension on the chain. It's also important to align measurements precisely between fixed markers, reducing errors over long distances. Chain survey is less effective in uneven terrains as the elevation changes can introduce inaccuracies. Thus, proper technique and conditions are crucial for accurate measurement results.
Agricultural Surveying
Agricultural surveying involves the assessment and mapping of farmland to assist in various agricultural activities like planning, crop management, and determining property boundaries. Chain surveys play a vital role here, as they offer a simple and direct approach to measuring fields.
  • Ideal for small to medium agricultural plots
  • Helps in determining boundary lines and field size
  • Can be used to plan irrigation paths and layout
The straightforward nature of a chain survey allows farmers to conduct their surveys without specialized equipment or training. Additionally, because it is cost-effective, it becomes accessible to farmers irrespective of the scale of their operations. However, for larger or more complex agricultural areas, other methods like GPS or aerial surveys might be more appropriate due to the limitations of chain surveys in covering vast areas efficiently.

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Most popular questions from this chapter

Aniline can be prepared from nitrobenzene by treating it with \(\mathrm{Zn}\) and conc. HCl. If an alkali like \(\mathrm{NaOH}\) is used instead of conc. HCl, azobenzene is formed. How can aniline be prepared after this stage? (a) oxidizing with Caro's acid (b) Reduction under acidic conditions (c) Reduction with HI and red phosphorus (d) Heating the mixture.

The order of basicity decreases with decrease in alkylation in the gas phase. This trend is changed in aqueous medium. The appropriate reason for this change is (a) the electron releasing effect of alkyl group. (b) difference in behaviour of alkyl group in aqueous phase. (c) ammonium ion formed in tertiary amine does not have effective hydrogen bonding. (d) alkyl group stabilises only the alkyl ammonium ion.

How will you convert (a) benzene to \(\mathrm{m}\) -bromo iodobenzene? (b) aniline to \(3,5-\) di iodo nitrobenzene?

What are the products obtained by the oxidation of aniline with (i) chromic acid and (ii) alkaline \(\mathrm{KMnO}_{4} ?\)

The BS reading at \(A\) is \(2.355 \mathrm{~m}\) and the fore sight reading at \(B\) is \(1.505 \mathrm{~m}\). Find the level difference between \(A\) and \(B\).
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