Not again lost track perhaps KR IRS 81021 On Fri, 8 Oct 2021 at 04:59, 'gopala krishnan' via iyer123 < iyer...@googlegroups.com> wrote:
> *CULTURAL QA 10 -2021-08* > > *Being compilation there may be errors* > > *Q1 Why does a car use 12 V Dc?* > > *A1 Ben Baert Electronics enthusiast, house is cluttered with > projects Updated October 24, 2020* > > *There are actually two parts to this question. The first is why a car > uses DC power, the second is why the battery’s nominal voltage is 12V* > > *The first question is relatively easy to answer. A battery provides DC > power, and DC power is generally more useful than AC power, so there’s no > need to use a bulky and expensive inverter to get AC power we don’t need > anyway.* > > *The second question is a bit harder to answer. The 12Vnominal figure is a > result of battery chemistry and convention, but the real question is why we > aren’t using 24V or 48V or even higher voltages.* > > *Higher voltages are more efficient and thus generally more desirable. > However, this is only a factor when power requirements are high. This is > why the switch was made from the 6V* > > *battery to the 12V battery somewhere in the 1950s; the power requirements > simply became too high for a 6V battery.* > > *The advantages of higher voltage batteries are significant. You can save > money in wiring, reduce voltage drops, reduce the stress on the battery (as > the current demand decreases for the same amount of power delivered), and > components such as relays and motor brushes last longer. There is a lot to > be said for higher voltage batteries.* > > *Too high a voltage can bring safety problems, however, and the > combination of the relatively low power demands in a car combined with the > potential safety hazard of a high voltage means that any >50V* > > *battery is pretty much out of the question for regular vehicles, but that > still doesn’t explain why we’re not seeing, say, a 48Vbattery.* > > *The first reason is that conventions die hard. If there’s no good reason > to change it, it won’t be changed. 12V* > > *has been the standard for decades and to change this standard would > require a very good reason; one that simply isn’t there. The infrastructure > built around the 12V convention, from chargers to accessories to any > electrical car part, is simply enormous.* > > *With the advent of hybrid electric vehicles, 48v is now becoming pretty > standard for the drive train, while 12v is retained for the rest of the > vehicle. Many electronic components, particularly ICs, operate in the sub > 5v range, and the trend is downward as the world looks to minimise energy > consumption and reduce component size. It is unlikely that the low voltage > trend will reverse anytime soon.* > > *The second is that DC contact erosion is quite a significant issue at > higher voltages. Contact erosion occurs when, for example, a switch goes > from the closed to the open position. In this transition, the current will > become more concentrated as the path becomes narrower, to the extent that > it can vaporize a bit of metal every time this happens. This effect is > obviously much more significant at higher voltages, and it would probably > require an expensive redesign of many components. This is not > insurmountable in itself, but in combination with the long-standing > convention and the changes it would require to the massive infrastructure > built around the 12V battery, it is probably the final blow to any > potential change.* > > *In short, the combination of a long-standing convention with very little > reason to change, means we’re ‘stuck’ with the 12V* > > *battery in most cars. In trucks, with higher power demands, the standard > is 24V, and many custom designs use other voltages as well, but in cars, > 12V is going to stick.* > > *Q2 Is okra ok to eat raw?* > > *A2 Lucia GarciaWorked at Hospitals Sun* > > *Okra is a vegetable with a unique taste but high nutritional value. > Eating raw okra can absorb the nutrients of okra to the greatest extent.* > > *Okra is rich in protein, carbohydrates, cellulose, folic acid, vitamin > B1, vitamin B2, vitamin C, and minerals such as selenium, calcium, iron, > phosphorus, magnesium, zinc, and potassium.* > > *During the cooking process, okra will lose some vitamins. For example, if > heated for 30 minutes, vitamin C will lose 40% to 50%.* > > *The mucus of okra contains natural substances similar to hormones. This > natural mucus has aphrodisiac effect, can increase male sexual performance > and boost libido.Therefore, okra is known as the "Plant Viagra".* > > *In addition, okra contains some selenium. Adequate intake of selenium can > prevent the formation of cancer cells, inhibit the growth of cancer cells, > and reduce the risk of cancer.* > > *Okra is a low-calorie vegetable, 100 grams of okra contains only 30 > calories. No matter how much okra you eat, you won’t get fat.* > > *Q3 How long can an FIR be valid if the accused is not arrested?* > > *A3 Kanthaswamy BalasubramaniamLawyer Wed* > > *No Law says accused must be arrested* > > *FIR is simply a report of an alleged offense which has to investigated > and a chargesheet filed* > > *If the Cops feel there is no case, they wont file chargesheet and issue a > B report* > > *Arresting was once done only in rare cases but then when Accused > absconded regularly and cops were taken to task again and again, they > decided to arrest all accused and send them to Judicial custody where > MAGISTRATES/Judges would grant them bail and it would no longer be the Cops > headache* > > *So accused need not be arrested technically until Cops have enough prima > facie evidence that the accused committed the crime* > > *Q4 Why is India not using plastic notes or something durable > considering how Indians use it in a very rough manner and more often than > not they are torn?* > > *A4 Prasanna Bhalerao Please do not share my answers on monetised > spaces.19h ago* > > *It is a good suggestion. I came across plastic notes for the very first > time in Australia in 1995 (there may have been plastic notes earlier there > or in other countries also). It immediately struck me how we in India have > to destroy soiled currency so often. The currency paper is very expensive > and imported from Switzerland (I believe). Considering the longevity of > plastic paper based currency, this would be a big saving in the long run.* > > *Maybe there are issues that we are not aware of:* > > *Technology and machinery Plastic paper* > > *Ability to make it as “proof” as possible* > > *All these seem frivolous and rudimentary to me. India should start > plastic paper currency. Incidentally, the UK has started plastic paper > currency very recently. They started with £5 (2018), then £10 (early 2019) > and now £20 (early 2020). USA does not have plastic paper currency. The > Euro is also paper-based (or it was till 2017 at least).* > > *One thing is sure - counterfeiting can be very difficult with plastic > paper and it will be a bit more expensive also for the counterfeiter.* > > *Q5 How was your first day as an IBPS PO?* > > *A5 Pawan Gadgil Probationary Officer at Punjab National Bank > (2021–present) September 28* > > *I joined Punjab National Bank as Probationary Officer on 13nth of > September at Staff Training College, Panchkula, Haryana.* > > *First day was all about document verification followed by welcome and > formal introduction.* > > *I think photos will say more than what I write...* > > *Currently we are going under training for 3 weeks.* > > *It is great to be here.I hope this inspires someone who is preparing. All > the best.* > > *Q6 How strong is a woodpecker's peck?* > > *A6 Amy Christa Ernano Armchair ornithologist; birds fascinate me > Sun * > > *Woodpeckers peck with a force of roughly 1,200 to 1,400 g's (g-force). By > comparison, a human whacking their head with a force of 60 to 100 g's would > be enough to sustain a concussion.* > > *Woodpeckers have specialized skulls, beaks, and hyoid bones that allow > them to peck with that tremendous force and not sustain any injuries to the > brain.Nature is a pretty wondrous thing, isn't it?* > > *Q7 How smart are Indian army officers?* > > *A7 Sainyam Agrawal Student at Vellore Institute of Technology, > Vellore (2020–present)Mon* > > *The most smartest people I must say belong to Armed Forces.* > > *They are very intelligent and have good brains which make them very > knowledgeable* > > *They are trained to dress in a proper way groom them self which is > compulsory which makes them look smart and there personality looks very > charming* > > *If you see the Indian Army officer are regarded a lot all over the world > during joint military exercise or foreign courses they tend to perform very > good. When I talk about word like smart it is not just looks as they can be > very subjective but it is a overall personality which makes them so smart > and intelligent* > > *Q8 What happens if I make a purchase of nearly 7 lac rupees in > just one month with my debit card? Is this a normal thing or will it be > suspicious and the income tax department will investigate?* > > *A8 Kanthaswamy Balasubramaniam Lawyer Mon* > > *Your PAN number is quoted on several purchases such as Cash FDs of 2 Lakh > plus, FDs of 10 Lakh plus, Gold of 2 Lakh plus etc etc* > > *So they may send a message that you purchased 7 Lakhs worth of products > on your PAN Card.* > > *However the Algorithm has to find a discrepancy for your transaction to > be highlighted.* > > *Buying 7 LAKHS on Debit Card does not generate a discrepancy.* > > *Of course the fact that big money was credited to your A/c may generate a > discrepancy if the sum is well above your average declared taxable income > for the last 3 years (Say you declare 8 LPA and you get 20–30 Lakhs credit)* > > *If you do get any such queries, its ten minutes to resolve the same* > > *Q9 Why are soil samples required to be air dried?* > > *A9 2 Answers John Margetts , BSc Biology from The Open University > Answered February 5, 2020* > > *They do not need to be but do need to be dried at a low temperature. The > reason is to avoid changing the soil while drying it. Changes that will > occur is the degradation of the organic component and oxidation of the > mineral content. There might even be volatile components in there which > will evaporate.* > > *Q10 Why are soil samples required to be air dried?…….* > > *A10 Lilian Hayball-Clarke , former Associate Professor BIOLOGY at > University College of the Cayman Islands (2001-2009) Answered February 2, > 2018* > > *Air drying is natural, as the soil would dry out in air normally > /naturally.* > *In an experiment, conditions are replicated to be kept as normal / > natural as possible to mimic nature. The soil sample is weighed carefully > before and after air-drying to find out what amount of water that type of > soil will hold.* > > * > <https://www.quora.com/What-is-the-best-thing-to-eat-for-high-blood-sugar> > Q11 What is the best thing to eat for high blood sugar? > <https://www.quora.com/What-is-the-best-thing-to-eat-for-high-blood-sugar> > <https://www.quora.com/profile/Lucia-Garcia-81> A11 Lucia Garcia > <https://www.quora.com/profile/Lucia-Garcia-81>Worked at Hospitals > September 29 > <https://www.quora.com/What-is-the-best-thing-to-eat-for-high-blood-sugar/answer/Lucia-Garcia-81> > Bitter gourd is rich in nutrients, but it contains very low calories. 100 > grams of bitter gourd only contains 20 calories. Eating bitter gourd will > not make you fat. Bitter melon contains bitter melon saponins, which can > not only lower blood sugar, but also stimulate insulin secretion, promote > sugar decomposition, and convert excess sugar into heat. Therefore, bitter > gourd is an ideal vegetable for people with high blood sugar. In addition, > bitter gourd is rich in protein, dietary fiber, vitamin C, vitamin B1, > vitamin B2, niacin, carotene, and minerals such as calcium, iron, > potassium, sodium, and phosphorus.Eating bitter gourd can replenish a > variety of nutrients the body needs.* > > *Q12 Humans are the most intelligent species on the planet. Does > that include infants?* > > *A12 Claire Jordan·Degree in biology and folklore; programmer, shop > owner, secretary on newspaper October 1* > > *Human infants are often more intelligent than the infants of other > species, but not the adults. There are a number of groups whose adults are > as intelligent as a human child of 2–4 years: parrots, corvids and butcher > birds; non-human great apes and to a lesser extent other simian primates; > raccoons, bears, hyaenas and the brightest breeds of dog/wolf; elephants; > toothed whales (especially orcas); and in some respects also octopodes and > cuttlefish.* > > *All the above QA are based on Quora digest to me on 07-10-2021. Quora > answers need not be 100% correct answers * > > *Compiler- R. Gopala Krishnan, 78 dated 08-10-2021* > > > > -- > You received this message because you are subscribed to the Google Groups > "iyer123" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to iyer123+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/iyer123/175318884.325265.1633649343300%40mail.yahoo.com > <https://groups.google.com/d/msgid/iyer123/175318884.325265.1633649343300%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 thatha_patty+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/thatha_patty/CAL5XZorOq-xAZ2poA5t3u_1yPAYnwF8z6LSfB19mRb0TY2-7rw%40mail.gmail.com.
