Tag: social studies

People use a particular mode of transport depending on the facilities available and affordability. If the cost of travel is high, people may not be able to move from one place to another easily.

The ability for (relatively) anyone to travel anywhere in the world, the ability to communicate with nearly anyone (especially via social media), and greater access to the Internet and technology in general all contribute to the global village.

Pipeline transport is the long-distance transportation of a liquid or gas through a system of pipes—a pipeline—typically to a market area for consumption

The reason is that it is situated underground which means that it is not affected by any of the delays that might be caused on the roads and the railways for example traffic or labor delay.

Metalled and unmetalled varieties are types of roads.

Metalled roads: These are the roads made of successive layers of smaller stones, until the road surface was composed of small stones compacted into a hard, durable surface. These are made up of cement concrete or coal tar. 

Unmetalled roads: Roads made up of mud and gravel which are generally found in the rural areas. These are uncovered roads.

Communication involves the transmission of verbal and non-verbal messages. It consists of a sender, a receiver and a channel of communication. In the process of transmitting messages, the clarity of the message may be interfered with or distorted by what is often referred to as barriers.

 A highway network formed by connection of 4 major cities of India-Mumbai,Delhi,Chennai and Kolkata

For quick and easy deliver of mails in towns and cities different channels have been introduced like Rajdhani channel, Metro channel and Green channel

Green channel exists in all major cities for delivering of local mails. A mail from a town posted to the same town is delivered the next day through the green channel. Green post boxes are installed for this purpose.

It stands for Automatic Repeat Request or Automatic Repeat Quary. It is a scheme proposed for satellite communications. It is an error control mechanism for data transmission.