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Types of poles Line supports or the poles which hold the conductors to a height they are above the ground level. In general, four types of poles are used, depending on the size and shape of the conductor used. i. Wooden poles ii. Concrete poles iii. Tubular steel poles iv. Latticed steel tower i. Wooden […]
Overhead line transmission The overhead lines are used to transmit electricity from power plants to consumers. A network of electrical power lines are used to transmit the electricity over a geographic area is called power grid. Main components used in overhead lines i. Electric conductors ii. Poles and towers iii. Insulators iv. Cross arm that […]
Agricultural Universities, Research Institutes, Krishi Vigyan Kendras have been generat-ing ample technologies to improve the productiv-ity and profitability of the farmers. How many of these technologies are reaching the farmers? Base-line Situation Assessment conducted by Partner-ship farming in India, in Gujarat and Maharashtra, clearly indicated that farmers with access to techni-cal knowledge on agriculture realized […]
Alternative transmission From the power generating stations, a large amount of AC supply is produced and is transmitted through transmission lines. The layout of a typical AC power supply system. The transmission is done caried by 3 phase 3 wire and 3 phase 4 wire systems. Other methods are also used for some special reasons. […]
Direct Transmission Let us see the transmission of DC power from the AC power. The single line diagram of high voltage direct current transmission is given in Alternative current is generated and stepped up to high voltage through the sending end transformer. This high voltage alternating current is converted to the direct current by a […]
Introduction Planning of the power distribution is one of the most important components of power system. Sub transmission is the efficient and economical method of power between power distribution and transmission. The power is transmitted through the overhead line distribution system and underground cable. These types of transmission have their own electrical properties and have […]
DRY HEAT METHOD Dry heat cooking gives a crisp texture, brown colour and pleasant flavor to the foods. Some common ways by which you cook food by dry heat are described here. Roasting: This method of cooking food by dry heat is roasting. While roasting, the food is subjected directly on a hot tava or […]
Cereals form the staple food of the human race. In their natural form (as in whole grain), cereals are a rich source of carbohydrates, protein, vitamins and minerals. Pulses are the dried seeds of the legume plants. ey are non perishables, i.e., they do not get spoilt easily if proper storage conditions are followed. In […]
I. Microwave Cooking: Microwaves are electromagnetic waves of radiant energy with wave lengths in the range of 250 x 106 to 7.5 x 109 Angstroms. It is a comparatively new method of cooking and gradually becoming popular. In this method food is cooked by microwave radiation. Water molecules in the food vibrate rapidly due to […]
கோவாக்சின் (Covaxin) மற்றும் கோவிஷீல்ட் (Covishield) ஆகிய இரண்டு தடுப்பூசிகளின் உள்ளடக்கமும் கொரோனா வைரஸ் தான். பெரும்பாலும் எந்த ஒரு நோயிற்கான தடுப்பு மருந்தாகவும் பயன்படுத்தப்படுவது அந்த நோயை உண்டாக்கும் நோய்க் கிருமியே ஆகும். அதாவது அந்த நோய்க்கிருமியின் நோய் உண்டாக்கும் திறனை மட்டுப்படுத்தியோ, அல்லது நீக்கியோ, அந்த நோய்க்கிருமியால் உண்டாகும் நோய்க்கு, அந்த நோய்க்கிருமியே தடுப்பு மருந்தாகப் பயன்படுத்தப்படுகிறது. தடுப்பு மருந்தாகப் பயன்படுத்தப்படும் நோய்க்கிருமிகள் கொல்லப்பட்டோ அல்லது செயலிழக்க வைக்கப்பட்டோ (Inactivated) தான் பயன்படுத்தப்படுகிறது. எனவே […]
As per the ICMR guidelines people should follow the quarantine guidelines, social distancing, doctors guidelines to relief from this pandemic. Mucormycosis is a fungal infection that mainly affects people who are on medication for otherhealth problems that reduces their ability to fightenvironmental pathogens. Sinuses or lungs of such individuals get affectedafter fungal spores are inhaled […]
Braising Braising is a combined method of roasting and stewing in a pan with a tight fitting lid. Flavourings and seasonings are added and food is allowed to cook gently. Food preparations prepared by combination methods are : Uppuma – Roasting and boiling. Cutlet – Boiling and deep frying. Vermicilli payasam – Roasting and simmering.
Maths Trick 1 Get your calculators out or switch your phone to calculator mode,and think of any number. Write this number down on a piece of paper. Now add 5, Multiply by 2, Square (i.e. times the number you now have by itself), Minus 100, Divide by your original number, Minus 40, Divide by your […]
Moist Heat Method In this method, food comes in contact with moisture either by water or steam under pressure. Some common ways of cooking food by moist heat are described below. Boiling Boiling is cooking foods i a liquid (water, bouillon, stock, milk) at boiling point. Boiling is a method of cooking foods by just […]
Cooking Food preparation helps in combining food ingredients in various ways with delicate avours, textures and colour which apply to the senses. Food has to be pleasing in appearance and taste so that it is consumed. Understanding food behavior in scientic terms helps in choosing best method of cooking. Food preparation is an important step […]
Balanced diet Being familiar with the food groups, let us learn about balanced diet. In a meal, if we include food items from all the five food groups then our body will be able to get all the nutrients collectively.A balanced diet is one which contains different types of foods in such quantities that the […]
The Eatwell Plate The Eatwell plate is a pictorial food guide showing the proportion and types of foods that are needed to make up a healthy, varied and balanced diet. e plate has been produced by the Food Standards Agency as a guide that aims to help people to understand and enjoy healthy eating. The […]
Food Pyramid Food pyramid is meant for use by the general healthy population as a guide for the types of foods and its proportion to be included in the daily diet. In order to assist in selecting food items from each food group the food pyramid has been developed. The Food Pyramid clearly indicates that […]
Functions of food Food is important for life. To be healthy and active, we should certainly have enough food. The food we eat should be safe and rich in all the nutrients for our body needs. We should choose from a wide variety of foods and we should eat them regularly, every day. Do not […]
Evolution of Food: Some of our knowledge of what early man ate comes from archaeological studies of cave drawings of food getting and preparation activities. primitive men collected their food from wild animals and plants.ey depended upon fruits, nuts, roots and other plant foods, meat from animals and sh from seas, lakes and rivers. ey […]