CULTURAL QA 05-2023-29 BY Mr G AND EDITED BY KR IRS 29523 Q1 How does slowing down a fan make it last longer?
G The slowing down of a fan decreases the wear and tear of bearings. But it is not an important factor in increasing the fan life. The present day power saving B L D C fan is not familiar to me. KR What is the Q; what is the answer? To tell you I don't know why it is so, a few lines wasted, including mine. Q2 Are pineapples good for stomach ulcers? G In conclusion, while there is some evidence to suggest that pineapples may be beneficial for stomach ulcers, more research is needed to determine their effectiveness in humans. If you are experiencing symptoms of a stomach ulcer, it is important to consult with a healthcare provider for proper diagnosis and treatment. KR ANOTHER ONE TO SAY MORE RESEARCH NEEDED AND IF SO WHY Q & A? Q3 Why has no one thought of aligning airplane windows with seats? G Again, this has nothing to do with where the windows might be. It is a purely economic decision. KR Another one in a similar one without purpose. Q5 Where did mangoes originate from? KR Again Mango. And the page filed up for today. “Katham hua” Compiled and posted by R. Gopala krishnan, former ITS, on 29-05-2023 KR IRS 29523 On Sun, 28 May 2023 at 07:01, '[email protected]' via Thatha_Patty < [email protected]> wrote: > *CULTURAL QA 05-2023-29* > > Q1 How does slowing down a fan make it last longer? > > A1 Gopala Krishnan, Former Assistant General Manager 1996-2004 > at Department of Telecom (1966–2004)0y > > Normally ceiling fans have long life. *The main problem occurring to the > old type fans is failure of condenser.* Rare problem is short circuit in > motor winding and rewinding is done. > > If a fan is made to function for long period the bearings may become worn > out. They have to be replaced. > > I am having fans installed in 2006 functioning perfectly till date. > > The only maintenance required is cleaning of blades at least once a > quarter and rarely lubrication of bearings. > > *The slowing down a fan decreases the wear and tear of bearings. But it is > not an important factor in increasing the fan life.* > > The present day power saving B L D C fan is not familiar to me. > > Q2 Are pineapples good for stomach ulcers? > > A2 Weights Loss Diet, Health Director | Loving Father | > Business Director Sat > > Stomach ulcers, also known as peptic ulcers, are painful sores that > develop in the lining of the stomach or small intestine. *They are often > caused by the bacterium Helicobacter pylori (H. pylori) or by the use of > nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin or ibuprofen*. > The symptoms of stomach ulcers include abdominal pain, bloating, nausea, > vomiting, and loss of appetite. > > Pineapples are a tropical fruit that is known for its sweet and tangy > taste. They are also rich in vitamins, minerals, and enzymes that are > beneficial for health. Pineapples contain bromelain, a group of enzymes > that are known to have anti-inflammatory and digestive properties. These > enzymes can help to break down proteins in the stomach and improve the > digestion of food. > > *There is some evidence to suggest that pineapples may be beneficial for > stomach ulcers*. One study found that a mixture of pineapple juice and > honey was effective at reducing the symptoms of stomach ulcers in rats. > Another study found that bromelain was effective at reducing inflammation > in the stomach lining and preventing the development of ulcers in rats. > > However, it is important to note that there is limited research on the > effects of pineapples on stomach ulcers in humans. While some people may > find that consuming pineapples helps to alleviate their symptoms, others > may find that it exacerbates their condition. This is because pineapples > are acidic and can irritate the stomach lining in some people. > > It is also important to note that pineapple juice may interact with > certain medications, such as antibiotics, blood thinners, and some > antidepressants. *Therefore, it is important to consult with a healthcare > provider before consuming pineapples or pineapple juice if you are taking > any medications.* > > In general, a balanced diet that includes a variety of fruits and > vegetables is recommended for overall health and may help to prevent > stomach ulcers. It is also important to avoid foods and beverages that can > irritate the stomach lining, such as spicy foods, alcohol, and caffeine. > > In conclusion, while there is some evidence to suggest that pineapples may > be beneficial for stomach ulcers, more research is needed to determine > their effectiveness in humans. If you are experiencing symptoms of a > stomach ulcer, *it is important to consult with a healthcare provider for > proper diagnosis and treatment.* > > > > Q3 Why has no one thought of aligning airplane windows with > seats? > > A3 RI Shohag, Blogger 10h > > *Windows exist on an airplane only for psychological reasons.* > > If it weren't to help passengers feel less anxious (or simply to enjoy the > flight more), there would be no reason to add the weight of windows or > drill holes in a very rigid metal tube. > > You may notice that cargo planes rarely have windows (unless converted > from an old passenger plane). > > Aircraft designers placed as many windows as the project could “afford”, > without worrying about the location of the seats. > > Second, you may have noticed that the rows of seats are not bolted to the > floor, but on rails that run back and forth. This is so that the airline > can add or remove rows and reconfigure according to their needs. > > Again, this has nothing to do with where the windows might be. It is a > purely economic decision. > > The two factors combined make it pure chance if your seat lines up > perfectly with a window. > > However, there are currently companies that have designed an innovation in > this regard. > > This innovative idea consists of thin windows embedded in the interior > walls of planes to replace windows. Cameras spread around the exterior of > the aircraft will transmit the images to the screens. Passengers will be > able to dim the screens, change the images or turn them off. > > *Spike Aerospace, which designed the plane,* claims that eliminating the > windows will decrease aerodynamic drag -- windows "cause significant > challenges in the design and construction of an aircraft fuselage," > according to the company. > > *In addition to drag, windows require structural support that represents > additional weight for airplanes*. Both problems could be eliminated using > micro cameras and screens > > Q4 Why neutral is absent in 3 phase connection? > > A4 Info Sage, Former Insight Investigator (2018–2022)Wed > > In a three-phase electrical system, the concept of neutral is not absent, > but it is different from a single-phase system. Here's a simple > understanding of why the neutral is not always necessary in a three-phase > connection: > > 1. Balanced Loads: In a balanced three-phase system, where the loads are > evenly distributed across the three phases, *the neutral wire carries > very little current or may not be required at all*. The loads on each > phase are equal, resulting in the cancellation of the neutral current. > > 2. Phases Offset: The three phases in a three-phase system are 120 > degrees apart from each other. This phase offset ensures a continuous and > smooth flow of power, eliminating the need for a neutral wire to balance > the currents. > > 3. Delta Connection: In some three-phase systems, such as a delta > connection, the neutral wire is not used. The loads are connected in a > closed loop, and each load is connected between two phases. Since there is > no direct connection to a neutral point, the neutral wire is not required. > > 4. Power Transmission Efficiency: Three-phase power transmission is more > efficient and economical compared to single-phase power. It allows for > higher power transfer with less current, reducing resistive losses in the > transmission lines. The absence of a neutral wire in certain three-phase > systems contributes to this efficiency. > > Not all three-phase systems operate without a neutral wire. > > In situations where unbalanced loads or specific equipment require a > neutral connection, a neutral wire is included. > > The absence of a neutral wire in a three-phase connection is specific to > certain configurations and balanced load conditions. > > Q5 Where did mangoes originate from? > > A5 Farhad Rajshahi, Health Tips5h > > Mangoes are believed to have originated in South Asia, specifically in the > region that includes present-day India, Myanmar (Burma), and Bangladesh. > > The fruit has a long history in this region, with references to mangoes > dating back thousands of years. > > *The mango tree, known as Mangifera indica, is thought to have been > cultivated in India for over 4,000 years.* > > Since its original domestication, mango cultivation has spread to various > parts of the world through human migration and trade routes. *Arab > traders are believed to have introduced mangoes to the Middle East and East > Africa around the 4th or 5th century CE.* > > From there, the fruit eventually made its way to other parts of the > world through exploration and colonization. > > Today, mangoes are grown in many tropical and subtropical regions around > the globe, including India, Southeast Asia, Africa, the Caribbean, Central > and South America, and parts of the United States. > > Here are some additional details about mangoes: > > 1. Varieties: There are numerous mango varieties, each with its own > unique characteristics. Some popular mango varieties include Alphonso, > Tommy Atkins, Kent, Keitt, Ataulfo (also known as Honey mango), and Haden. > > 2. Cultivation: Mango trees thrive in warm, tropical climates. They > require well-drained soil and plenty of sunlight. Mango trees typically > take a few years to bear fruit after planting, and the fruiting season can > vary depending on the variety and location. > > 3. Culinary Uses: Mangoes are widely used in various cuisines around the > world. They are consumed both ripe and unripe, offering different flavours > and textures. Ripe mangoes are sweet, juicy, and often eaten fresh or used > in desserts, smoothies, and fruit salads. Unripe mangoes are tangy and > firm, commonly used in pickles, chutneys, and savoury dishes. > > 4. Nutritional Value: Mangoes are not only delicious but also nutritious. > They are a rich source of vitamins and minerals, including vitamin C, > vitamin A, potassium, and fibre. They are also known for their antioxidant > properties. > > 5. Cultural Significance: Mangoes hold cultural and symbolic significance > in many countries. In India, for example, mangoes are known as the "king of > fruits" and are associated with fertility and prosperity. They are also > considered a sacred fruit in Hindu rituals and celebrations. > > 6. International Trade: Mangoes are a valuable commodity in international > trade. Major mango-exporting countries include India, Mexico, Thailand, > Indonesia, and the Philippines. The fruit is transported globally, allowing > people in various regions to enjoy mangoes throughout the year. > > Remember, while mangoes are generally enjoyed by many people, it's > essential to be aware of potential allergies or sensitivities. > > Some individuals may have allergies to mango or experience skin irritation > when handling the fruit's sap or peel. If you have any concerns, it's best > to consult with a healthcare professional. > > There are several advantages and benefits associated with mangoes. Here > are some of the pros of mangoes: > > 1. Nutritional Value: Mangoes are rich in essential vitamins and > minerals. They are an excellent source of vitamin C, which supports the > immune system, promotes wound healing, and acts as an antioxidant. Mangoes > also provide vitamin A, which is important for eye health and immune > function. Additionally, they contain dietary fibre, potassium, and various > antioxidants. > > 2. Antioxidant Properties: Mangoes contain antioxidants such as > zeaxanthin, beta-carotene, and flavonoids, which help protect the body > against free radicals. Free radicals are unstable molecules that can cause > cellular damage and contribute to various diseases. Antioxidants neutralize > these free radicals and reduce the risk of oxidative stress-related > conditions. > > 3. Digestive Health: Mangoes are a good source of dietary fibre, which > aids in digestion and promotes regular bowel movements. Adequate fibre > intake can help prevent constipation and maintain a healthy digestive > system. > > 4. Skin Health: Mangoes are often used in skincare products due to their > potential benefits for the skin. The fruit is rich in vitamins and > antioxidants that can help nourish and rejuvenate the skin. Some people > also use mango pulp or extracts topically to soothe and moisturize the skin. > > 5. Eye Health: The high content of vitamin A and antioxidants like > zeaxanthin and beta-carotene in mangoes is beneficial for eye health. These > nutrients help protect against age-related macular degeneration (AMD), > cataracts, and promote overall eye health. > > 6. Flavourful and Versatile: Mangoes have a deliciously sweet and > tropical flavour, making them a popular fruit choice for many people. They > can be enjoyed in various ways, including fresh, in smoothies, salads, > desserts, sauces, salsas, and more. The versatility of mangoes in culinary > applications allows for creative and tasty recipes. > > 7. Mood and Energy Boost: Mangoes contain natural sugars and provide a > quick energy boost. They also contain vitamin B6, which plays a role in the > production of serotonin, a neurotransmitter associated with mood regulation > and feelings of well-being. > > It's important to note that individual experiences and nutritional needs > may vary. While mangoes offer many potential benefits, it's always best to > consume them as part of a balanced diet and consult with a healthcare > professional for personalized advice. > > While mangoes have numerous advantages, there are a few considerations and > potential drawbacks to be aware of. Here are some cons associated with > mangoes: > > 1. Allergies: Some individuals may have allergies or sensitivities to > mangoes. Mango allergies can range from mild to severe, and symptoms may > include itching, swelling, hives, or even anaphylaxis in rare cases. If you > have a known allergy to mango or related fruits such as poison ivy or > cashews, it's important to avoid consuming mangoes or products containing > mango. > > 2. High Sugar Content: Mangoes are naturally sweet and contain a > significant amount of sugar. While the sugar in mangoes is natural and > comes with fibre and other beneficial nutrients, individuals with diabetes > or those who need to watch their sugar intake should consume mangoes in > moderation and consider their overall dietary balance. > > 3. Calories and Portion Control: Mangoes are relatively high in calories > compared to some other fruits. While they provide essential nutrients, > overconsumption of mangoes without considering portion sizes may contribute > to weight gain or difficulties in weight management. It's important to be > mindful of portion control and incorporate mangoes as part of a balanced > diet. > > > > 4. Environmental Impact: Mango production, particularly on a large scale, > can have environmental implications. The expansion of mango farming may > contribute to deforestation, habitat loss, and the use of chemical > fertilizers and pesticides. Sustainable farming practices and responsible > sourcing can help mitigate these environmental concerns. > > 5. Availability and Price: Mangoes may not be readily available or > affordable in all regions throughout the year, especially in non-tropical > climates. In some countries, mangoes are seasonal, and the cost may vary > depending on factors such as supply and demand, transportation, and > import/export regulations. > > 6. Ripening and Shelf Life: Mangoes are known for their unique ripening > process, which can sometimes be challenging to manage. They can take a few > days to ripen after being picked, and the window of optimal ripeness is > relatively short. Improper handling or storage can result in spoilage or > loss of flavour. > > 7. Fibrous Texture: While some people enjoy the fibrous texture of > mangoes, others may find it less appealing. Certain mango varieties can > have fibrous strands or fibres that may be bothersome to some individuals, > especially if they have dental or oral health issues. > > It's worth noting that many of these cons can be mitigated by mindful > consumption, proper storage, and considering individual circumstances and > preferences. As always, if you have specific dietary concerns or health > conditions, it's advisable to consult with a healthcare professional or > registered dietician for personalized guidance. > > *All the above QA are from Quora website on 28--05- 2023.* > > *Quora answers need not be 100% correct answers .* > > *Compiled **and posted by R. Gopala krishnan, former ITS, on 29-05-2023* > > > > -- > You received this message because you are subscribed to the Google Groups > "Thatha_Patty" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/thatha_patty/1929109271.2362677.1685282512327%40mail.yahoo.com > <https://groups.google.com/d/msgid/thatha_patty/1929109271.2362677.1685282512327%40mail.yahoo.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/thatha_patty/CAL5XZop_W73KamC5m6cg3ux3O636Y%3DnaxzZmxaHQaHQi1ZK%3Dcg%40mail.gmail.com.
