AUTOMOTIVE – Page 11

An Explanation of Defensive Driving

Defensive driving is defined as being able to operate a motor vehicle with the skills to avoid an accident in a situation where one could possibly occur.

Defensive driving is based on the premise that you, the driver, are actually a very good and safe driver that must be alert and able to react to the dangerous driving that others are engaging in.

Defensive driving utilizes advanced skills and awareness not initially taught to new drivers. The goal of one taking a defensive driving class is to become a proactive driver, in order to avoid dangerous road situations or the poor conduct of other drivers. Specific techniques and basic rules are used to achieve a safer driving experience.

Defensive driving courses are taught across the United States, as well as other countries. Defensive driving schools are sometimes referred to as traffic schools, depending upon the regional area.

In Texas, the term “defensive driving course” is used, while in New York they tend to use the term “traffic school.” Anybody can take defensive driving courses to brush up on skills or to qualify for discounts on car insurance premiums.

Most often, individuals are referred to defensive driving courses after being ticketed for a moving violation or having been in an accident. Depending upon the laws of the municipality, the documented completion of a defensive driving course can allow for a dismissal of the ticket.

American Flags

A flag is a symbol of a country’s sovereignty. In fact, flags can go beyond mere symbolism and become the standard around which a nation and its people rally. The American flag is a source of immense pride to American citizens. The Stars and Stripes brings out the best in Americans and encourage them to do their bit for their nation. America has several flags, each with its own history and story to tell. In addition to the Stars and Stripes, each of America’s fifty states also has a flag of its own.

There is a story behind each of the flags – when and how they originated and what the symbols stand for. Apart from the 50 American states, there are also flags for US districts, territories and possessions. For instance, there is a flag for American Samoa, the Commonwealth of Northern Marianas, the District of Colombia, Guam, Micronesia, and the American Virgin Islands. Then there is the Presidential Flag and the Vice-Presidential Flag, and historical flags such as the flag of the Confederate States of America and the flags of the Revolution.

Unlike the flags of other countries, American flags are not meant to be waved only on special occasions – every American is free to wave the American flag at any time. Besides, in keeping with its tradition of freedom and liberty, America does not prohibit the use of its flags on items of clothing – even women’s lingerie can boast of the stars and stripes.

American flags can be made of various kinds of fabric – polyester, nylon, or various blends. Any material will do, so long as the person waving the flag has the right spirit.

American Flag History

Every flag has a history of its own and if one delves deep, a fascinating story comes to light. The American flag is no exception.

Nobody knows for sure who first designed the Stars and Stripes, though there are some commonly accepted stories about the origin of the flag. According to one school of thought, Congressman Francis Hopkinson was the man who designed the flag, but some historians believe that Betsy Ross, a seamstress from Philadelphia, was the one who designed the American flag.

It was not till June 24, 1912, that the proportions of the American national flag came to be prescribed. As a result, flags made before this year show different patterns of the stars and unusual proportions. But mostly, stars were placed in a straight row and had proportions more or less similar to the ones now accepted.

Several acts have determined the evolution of the American national flag. According to the First Flag Act, passed in 1777, it was established that the American national flag would comprise thirteen red and white stripes and thirteen white stars against a blue background. In January 1794, it had 15 stars and 15 stripes. In 1818, the flag had 13 stripes and one star for each state. In 1912, President Taft decreed that the stars should be arranged in six horizontal rows of eight each. He also came up with new proportions of the flag. In January 1959, President Eisenhower decided that the stars should be arranged in seven rows of seven stars each, horizontally and vertically. And in August 1959, Eisenhower again made changes – this time, he said that the stars should be in nine rows horizontally and 11 rows vertically. As of today, the flag has 50 stars and 13 stripes.

American Classic Car Insurance

The number of people involved in classic car collection is on the rise. This has made insurance companies realize that these unique and extraordinary cars need special insurance. One may insure a classic car with a regular insurance company, but may not receive the best offer that way. Hence, it is preferable to approach companies that specialize in classic car insurance since they offer a better coverage and a more nominal charge.

American Collectors’ Insurance has been America’s premiere supplier of classic car insurance ever since 1976. Various insurance policies underwrite different kinds of collector cars, including classic cars, antique cars, classic motorcycles, street rods and antique fire trucks. American classic car insurance companies follow certain specific guidelines that enable a car to qualify as a classic.

These specifications could include age of the motor vehicle depending on the state one resides in. In certain states, a classic collector car must be at least 15 years of age. To avail insurance, one may not be allowed to drive the classic car for more than 2,500 miles every year. One may be required to keep the classic vehicle in a garage and possess a clean driving record with at least 10 years of driving experience.

In America, a classic car owner may avail of an “Agreed Value Coverage”, which covers the full insured worth of a classic car. This involves agreement by both parties, i.e., insurer and the insured on the value of a classic car, which is written in the policy. In the event of a mishap, wherein a car is considered totaled, the company pays a previously agreed amount for the car.

In most cases, the price of classic car insurance is less than what one anticipates. This is attributed to the fact that a few American insurance companies have placed certain restrictions on cars that are insured. While deciding on an insurance policy, classic car insurance is much better than regular car insurance for a classified car. The owner must consider acquiring a quote from a business that specializes in classic car insurance in order to save a lot of money and also have the best security for their investment and collectible.

Aluminum Welding

Welding metalwork pieces such as those made from aluminum is relatively easy as it melts at a much lower temperature and does not crack after solidifying. Aluminum welding is done according to the type of aluminum used such as commercial grade aluminum having 99 percent purity, non-heat treatable alloys containing small amounts of manganese (Mn) or magnesium (Mg), and heat treatable alloys containing copper, silicon, zinc, or magnesium.

Work pieces made from these types of aluminum are easier to weld whereas aluminum work pieces containing copper or lead additives are difficult to weld and often lead to cracking while welding.

Aluminum welding methods include MIG and TIG welding, apart from conventional techniques such as gas, plasma, resistance welding, and welding with covered electrodes. The TIG technique is used when there is a need for good surface finishes and when welding from one side is not accessible, such as when welding pipes, and when repairing castings. The MIG technique is better suited for welding thicker aluminum work pieces at a faster rate and for achieving long, continuous welds. This technique has a lower heat input, which results in less distortion in the welding zone.

The latest aluminum welding technique involves the use of pulse arc welding combined with MIG that give much better results as compared to conventional methods. This technique gives better control of the molten pool in the case of thin material, makes the arc more stable, reduces spatters, and mitigates the risk of welding imperfections.

Welders need to take a few precautions while welding aluminum work pieces as the higher melting point of oxide that forms on its surface, when mixed into the molten pool, can cause welding defects. The surface of work pieces that are to be welded need to be scraped or brushed clean using stainless steel wire brush immediately before welding.

Alarm Monitor Security Systems

Alarm monitor security systems are instrumental in offering security to offices and homes. Earlier, people used to think twice about buying alarm monitor security systems, as they were quite expensive. However, the price has come down recently and now everyone can afford to have a sophisticated alarm system at home.

Let’s have a look at the basic composition of the previous alarm monitor security systems. The systems used to have gated entries along with on-site security personnel. Such a massive security arrangement was beyond most homeowners’ reach. However, with the introduction of more sophisticated alarm monitor security systems, security worries for homeowners have come to an end.

Be it home or office, owners can now go afford sophisticated alarm monitor security systems. You don’t have to hire security officers anymore. You can now keep an eye on the movement of people inside your home through control access and CCTV. The system also comes with an in-house alarm. Alarm monitor security systems are extremely easy to use. Everyone can operate the security systems. Alarm monitor security systems are capable of protecting your possessions. So stop worrying about your home and office. Get a well-equipped alarm monitor security system for your home. The systems won’t cost you too much; they have become quite affordable. This is the most reliable security system ever introduced.

No matter how much wealth you have in your home, if you don’t have a sophisticated alarm monitor security system installed, your belongings are not safe. You will find various Websites selling advanced alarm monitor security systems at affordable prices. Some companies even offer free home security monitoring. You should check out all of those offers before selecting a particular one. Making your home a secured place is the biggest concern of every homeowner. You can’t afford to take any chances.

Air Conditioning

In ordinary conversation, when the term air conditioning is mentioned, people automatically take it to mean cooling room temperature. Technically speaking, though, air conditioning is the process of controlling room temperature through various means that involve ventilation, heating and cooling. In construction, it is referred to as HVAC.

In 1902, The New York Stock Exchange was the very first building to use air conditioning units that separately cooled and heated the air. Later that year, Willis Havilland Carrier installed the very first electrically-run air conditioning unit at a printing plant. The unit not only cooled the air but also controlled the humidity.

In those times, air conditioning was mostly used in manufacturing facilities to improve products by controlling the effects of humidity, thus, increasing employee productivity. It was several decades later, in the 1950s, that homes and automobiles started to be fitted with the air conditioning technology.

An air conditioning unit cools the air through a refrigerant, a substance that alters the temperature of the air. In the early stages of its development, air conditioning units used harmful gases such as ammonia and methyl chloride as refrigerants. They were soon replaced by another type of chemical, the patented substance called Freon.

Freon is safe for humans. However, it is harmful to the environment. When released into the atmosphere, this chlorofluorocarbon gas is believed to be a contributing factor to the thinning of the ozone layer. Most air conditioning units sold today still use this type of gas, particularly the HCFC R-22. It is said that environmentalists will have to wait until 2010 to see the total eradication of HCFC R-22 in air conditioning untis.

Air conditioning units have different types of refrigeration cycles. The first type uses a heat pump that drives out hot air from the room and blows in cooled air though a compressor. The second type pumps in a refrigerant. When the refrigerant evaporates, it takes with it the hot air and leaves cooled air.

Aircraft Maintenance

Flying in the sky like a free bird has always been a dream and motivated the Wright Brothers to create this marvelous machine called Aircraft. But to ensure optimum performance, reliability and safety from it, you need to maintain the Aircraft as well.

Aircraft Maintenance has two main critical functional models- preventive maintenance and requirement-based maintenance. In Preventive Maintenance, some extra steps are usually taken to protect the aircraft from snags that could possibly occur in future, like wing inspection after every flight to foresee and rectify problems that could possibly create problems while landing or in the air.

Requirement Based Maintenance involves rectifying the problem as and when it occurs, i.e., it is requirement specific. It usually involves critical activities, so instructions are usually prepared proactively for every foreseen problem to ensure minimum time wastage during its occurrence.

Aircraft Testing is the most critical operational activity that maintenance technicians perform. Every part, like wings, fuselage, tail plane, pumps, valves and communication equipment, is inspected and immediately replaced if found problematic.

Testing procedures are usually repetitive, complex and meticulously designed. These procedures are divided into certain levels depending upon the kind of maintenance the aircraft needs. Under normal conditions, an aircraft is inspected after every flight (Level 1) and subsequently the level increases with increases in flying hours. The experts suggest getting the Aircraft checked every six months at a Maintenance Yard for thorough inspection.

Taking passenger safety into account, Aircraft Maintenance has never been considered as an ordinary maintenance activity. International Aircraft Maintenance agencies like the Federal Aviation Administration (USA), EASA (Europe), and AIATA (Australia) have laid stringent rules and guidelines for Aircraft Maintenance to ensure maximum safety for passengers.

Air Conditioner Reviews

Air Conditioner Reviews usually take BTU and EER numbers into account. BTU stands for British Thermal Units, and these numbers can range from 5,000 to 18,000. The higher the BTU of an air conditioner, the more powerful it is at cooling. But it also increases the cost of the air conditioner. Normally, the BTU of an air conditioner required for cooling a room is calculated by multiplying the square foot area of the room by 35.

EER stands for Energy Efficiency Ratio. These numbers indicate the amount of energy they consume. An air conditioner with a higher EER will use less energy and hence will save money on electricity bills. EER numbers range from 8.2 to 10.5.

The brand leaders in the air conditioner market are Carrier, Kenmore, Whirlpool, Samsung, LG, Sharp, Panasonic and Friedrich. All are available in a wide range of BTU and EER ratings. Carrier air conditioners are by far the best. They are known for their extreme noiseless function, quick cooling and long lives of compressor and condenser. Carrier air conditioners are also the most expensive air conditioners in the market. Some of the newer Carrier models have replaced the environmentally harmful Freon-22 with Puron, a less polluting liquid.

Kenmore air conditioners also have excellent reviews in the air conditioner market. They are known for their high cooling capacities and extremely well advanced EERs, which cut electricity costs. Also their designs are quite sleek and contemporary, giving them the added edge over other air conditioners.

Whirlpool and LG also have good reputations, but they do better business in Asia. They are both reliable, trusted brands with good quality air conditioners at a comparatively lower price.

Due to the tremendous competition in the market of air conditioners, each brand spends millions of dollars in researching and perfecting new features every summer. Friedrich air conditioners have devised a money-saver feature, which saves electricity bills by making the fan move in synchronization with the cycle of the air conditioner itself. Most companies now use dehumidifiers and fragrances in their air conditioning ducts to lend them an added appeal.

Air Conditioner Repair

Most problems that people face with air conditioners can be solved by simple maintenance and cleaning. A regular cleaning of the air conditioner grille and filter helps to increase its longevity and make it more efficient at cooling. Sometimes particle aggregation inside the air filter chokes the ducts and makes the air conditioner ineffective. This can be solved by a simple cleaning of the air filter.

The common problems with air conditioners are faulty cooling, collection of water pools below the air conditioner, rattling sounds when the unit is shutting down, dysfunctional temperature control, etc. Some of these problems can be repaired by the owners themselves without calling for technical help. The air conditioner manual carries solutions to minor problems which can be easily implemented.

Before attempting Air Conditioner Repairs, it is most important to turn the power off. Removing the grille is an easy task, but care should be taken if the fan is attached to the grille as in some central cooling systems. Also, no wires should come loose while removing the grille and disconnecting the fan. If there are any wires connecting the fan to the main board, their sequence should be remembered so that they can be reconnected later.

Sometimes the air conditioner may not turn on at all due to a tripped or a broken fuse. The fuse is simple enough to be replaced by anyone. Instructions to replace fuses are mentioned in the manual. Hence, before calling a technician, it is advisable to check if there is a fuse problem.

Another common problem is the accumulation of water under the front portion of the air conditioner. This may be due to leakage of one of the ducts. Simple replacement solves the problem and instructions are mentioned in the manual.

Problems with thermostats are trickier to solve. Thermostat problems cause the air conditioner to cool the room unexpectedly. Even the heat pump may cause unexpected temperature swings if it is broken down. Thermostats and heat pumps should only be repaired by skilled technicians from the companies themselves.

Air Conditioner Repair is not a very difficult task, but people who are not confident with electrical appliances may contact the company to send their technicians. Technicians from the same company should be preferred over other repairmen.