How many kind of obstacles of chaining are there?

How many kind of obstacles of chaining are there?

How many kinds of obstacles of chaining are there? Explanation: Obstacles of chaining are of three kinds. They are obstacles to ranging, obstacles to chaining, obstacles to both chaining and ranging. 2.

What do you mean by obstacles in chaining?

Obstacle in chaining may be classified as. 1) When chaining is free but vision is obstructed. 2) When chaining is obstructed but vision is free. 3) When chaining and vision are both obstructed.

Is River an obstacle for chaining?

A building is an obstacle to both chaining and ranging. A river is an obstacle to chaining but not ranging. A hill is an obstacle to ranging but not chaining.

What is the example for obstacles to Ranging?

Ranging is the process of locating a number of points on the long survey line. A building is an obstacle to both chaining and ranging. A river is an obstacle to chaining but not ranging. A hill is an obstacle to ranging but not chaining.

What is the example for obstacles to chaining?

The various obstacles may be classified as: 1) CHAINING FREE BUT VISION OBSTRUCTED 2) CHAINING OBSTRUCTED BUT VISION FREE 3) BOTH CHAINING AND VISION ARE OBSTRUCTED. 4. (1) Chaining free, Vision obstructed: e.g. rising ground or a hill intervening, jungle etc.

What is the aim of chain Survey?

Chain surveying is the type of surveying in which only linear measurements are made in the field. The main principle of chain surveying or chain triangulation is to provide a framework consist of number of well-conditioned triangles or nearly equilateral triangles. It is used to find the area of the field.

What are obstacles examples?

18 Examples of Obstacles

• Financial. A lack of financial resources.
• Time. Time is a fixed resources such that consumption of time can be an obstacle.
• Health. Health problems can severely drain the time, energy, focus and resources of an individual.
• Resources. A lack of resources.
• Stability.
• Society.
• Cultural Capital.
• Education.

What are the types of obstacles in chain surveying?

Types of obstacles in chain Surveying http://wikienvironment.org Types of obstacles in chain Surveying and Solutions of obstacles in chain Surveying: Sometimes it will be observed that many obstructions like rivers, canals, ponds. thick jungles, ditches, buildings, etc. lie on the chain line.

Which is an example of an obstacle in chaining?

Chaining Obstructed, Vision Free: The typical obstacle of this type is a sheet of water, the width of which in the direction of measurement exceeds the length of the chain or tape. The problem consists in finding the distance between convenient points on the chain line on either side of obstacle.

How are chains and scales used in surveying?

To Record Filed Data Carefully . Chains and scales are commonly used to directly measure the linear distance between two points above the earth’s surface. We will study the types of these chains and measurements and how the distances are measured by the primary purpose of the survey is to create maps.

Which is an example of a chain survey?

Example: If a dam is to be built, how much area will be submerged by the dam, how many villages will have to be relocated, how much water will be collected in the lake, etc. Information is made by planning a survey of that area. Also, read: First Angle Projection & Third Angle Projection Symbol (Orthographic Projection)