Pranam Q7 Needs rewrite up Evolution of Darwin only says so but not other scientists. Can you or shall I? Q11 Eureka Eureka is also an accident and science developed mainly through accidents only. Read inventions titled books. KR IRS 16222
On Tue, 15 Feb 2022 at 12:25, 'gopala krishnan' via iyer123 < [email protected]> wrote: > *CULTURAL QA 02-2022-15* > > *BEING A COMPILATION THERE MAY BE ERRORS* > > *Q1 What is the conductor normally used in heating appliances?* > > A1 Gopala Krishnan, former Assistant General Manager 1996-2004 > at Department of Telecom (1966-2004)Answered just now > > *NICHROME* is the material commonly used in water heaters in India. I > have confirmed my answer by google search. *Aluminium oxide powder, > compressed into an outer metal tube is used above coil so that while using > electric power to heat water, water is only heated, electric current > DOESNOT touch water.* If any damage occur in the tube, chances of > electric shock may occur. *Hence to prevent electric shock, always switch > off supply to water heater before entering the bathroom.* > > While for replacing or testing, when technician remove the coil, I have > noted the silvery colour of aluminium, now confirmed. > > *Q2 Is it bad to drink water after eating fruits?* > > A2 Lucia Garcia Worked at Hospitals Feb 7 > > *After eating fruit, it is recommended to wait 30 minutes before drinking > water*. At this time, most of the fruit has been digested and absorbed by > the body. > > *For most people and some fruits, drinking water immediately after eating > may cause diarrhea.* > > For example, if you drink water immediately after eating plums, pears, and > grapes, you may have diarrhea in less than half an hour. > > Because water will dilute stomach acid, reduce the digestive function of > the gastrointestinal tract. > > At the same time, an oxidation reaction occurs between water, fruit and > stomach acid, which accelerates the peristalsis of the gastrointestinal > tract and can easily cause diarrhea symptoms. > > *Of course, diarrhea caused by drinking water immediately after eating > fruit is not caused by bacteria*. In most cases, *diarrhea will go away > naturally and will not have a major impact on the body.* > > *Q3 Is all the plastic, paper, glass, and aluminium that I put > in the recycle bin really recycled?* > > A3 David Ecale Reduce, Reuse, Repurpose, Recycle! It's the > best way to cut waste & save money! Jan 30 > > *No, it is not! Here’s the scoop:* > > Aluminum is the most valuable recyclable. As much as possible is recovered. > > Glass is an iffy item. Anything broken goes to the rubbish tip. > > Paper? Please, please, please *make sure that it is not paper that has > food contamination*. past a certain % and the whole lot goes to the > rubbish tip. > > Plastic? See your recycler as (for example in my case) only #s 1 & 2 will > be accepted. > > *Plastic bags? Never toss them in as they gum up* the machines. they > require a special process. > > (Bonus) Old metal screws and rusty nails? Easy, peasy, just toss them in. > They’ll go to the BOS blast furnace.(BOS = Basic Oxygen System) > > *Q4 Can an upright civil servant who is the sole earning member > of his family afford a 3 BHK accommodation in a metropolitan area at the > end of his/her career?* > > A4 D D Rishi Former IRS | Advocate | LL. M.,Ph.D. (Law) | Sat > > *A mid-level civil servant in Group A services may be earning a salary of > around 2.5 lakhs per month in India*. Apart from it, a very low interest > loan is also available to him for buying a house. Furthermore, he gets a > good percentage of his salary as House Rent Allowance which he saves every > month if he owns his own house. *Therefore, it is not difficult for a > civil servant to buy a 3 BHK house in reasonably good metropolitan area > *provided > it's cost does not go beyond 1 to 1.5 crores at the most. > > *Q5 How does an analogue multimeter differ from a digital > multimeter, and which is more accurate?* > > A5 Loring Chien electrical engineer and audiophile for 45 > years Feb 4 > > Analog meters use a moving coil meter and a printed scale. In the most > basic meters like the classic Simpson 260 the meter has a movement that is > 20,000 ohms per volt meaning it takes 50 uA to deflect the meter full > scale. On a 10 V scale then the circuit load is 200,000 ohms. This affects > the circuit much more than the 10 Mohms of a digital meter. > > *The ability to read a scale on an analog meter is seldom considered to be > more than 1 %.* But digital meters read to 3, digits on common meters and > 4, 5 and 6 digits on the better lab meters. *So you can resolve easily > .01% *making the digital meters much higher resolution and usually > accuracy is commensurate. > > *So loading and resolution and accuracy the digital meter wins outright*. > However, They do need a battery and they are hard to see trends on. > > *Q6 Why should you not be a housewife?* > > A6 Lakshmi Ramachandran Ph.D in English Literature, University > of Madras (Graduated 1997)Wed > > I have nothing against housewives, but since you ask: > > You end up doing work that is drudgery and that can easily be shared by > the family and done effectively. > > It's a thankless job, and it's easy to take you for granted. *You don't > get paid,* it's not fun. Your chances of being job-ready decrease with > time. *You are not financially independent.* > > *Q7 Why was it only ape that can develop further evolution to a > species capable of developing civilization and high level of consciousness? > Why couldn't other species do the similar evolution?* > > A7 Mats Andersson B. Sc, M. Sc from Uppsala University Jan 27 > > *Partly because once a species becomes intelligent, it appears it quickly > comes to dominate the entire world*. And that’s because “intelligence” is > very much a specialised niche, and once a species goes that way, it obtains > a monopoly: there’s no point for other species to evolve intelligence, > because there’s already someone in that space who is better at it. > > *And partly because intelligence probably seems like a very cool thing to > you, but in terms of* evolutionary advantage, the jury is still very much > out. We’ve only had it for a million years, give or take, and the way it > looks right now, intelligence might be the only characteristic of a species > that allows it to make itself go extinct. > > *Q8 Why do we need a personal laptop?* > > A8 Gopalkrishna Vishwanath Lived 69 years so far. No regrets. > Look forward to the best years now. Sun > > Others may or not need a laptop but *for me it is essential.* I spend > several hours a day sitting with my laptop. It is not just a computer for > me. It is my “Window” to the whole world. It is my library. It is my TV. It > is my movie screen. > > It is my tape recorder. It is my post box or rather email box. It is my > bank counter. It is my purse and my check book. I make online payments > through it. > > It is my account ledger. I keep track of all my expenses using spread > sheets. It is my storehouse for all information that I may need. My hard > disks contain information collected over a period of two decades. > > It is my diary. I use Google Keep and jot down anything I may need to > access anywhere from any device. > > It is my photo album. I have a huge collection of pictures that I scanned > from the family photo album. I also use my laptop to store pictures that I > receive via email or WhatsApp. > > It is my typewriter. I hardly “write” these days. I “type” on my laptop. *I > cannot type so much on my smartphone*. I type in three languages on my > laptop. It is my video-telephone too. I keep in touch and converse with > people using video chats on Zoom and Google Hangout using my laptop. > > The only time I use my smartphone instead of my laptop is to make or > receive phone calls or send and receive messages or listen to music or > talks or podcasts when I am out for a long morning or evening walk. > > *Nowadays I even access WhatsApp on my laptop and check messages on my > smartphone only when I am away from my desk*. Otherwise, I keep WhatsApp > minimized on my desktop top. > > I use my laptop for 80 percent of all my interaction with Quorans and I > use my smartphone only for checking notifications, comments, messages, and > typing short replies to them. *I hardly ever type an answer using my > smartphone unless the answer is just a line or two.* > > My wife has called my laptop my second wife and her “souten” (co-wife) and > often complains that I spend more time with her “souten” than with her. > > *Q9 How did hunter gatherers get enough vitamin C around the > world, (I heard its the fastest degrading mineral. Nowadays we have citrous > fruits. But I imagine the fruits where not available in all continents back > then)?* > > A9 Matt Riggsby MA Archaeological Studies, Boston University > Jan 25 > > Vitamin C does degrade quickly on exposure to heat and light. However, > it’s also a very common nutrient. *Citrus fruits have very high levels of > it, but pretty much all plants have it at useful levels, and even many > meats*. We need it in our diets because we’re one of a small number of > mammals which doesn’t synthesize it on our own. But you don’t need the high > levels found in citrus if everything you eat has at least some of it. > > Moreover, hunter-gatherers consumed nearly all of their food fresh. With > their nomadic lifestyle, they couldn’t carry around a lot of preserved > foods, but rather ate things more or less when they got them, which means > the vitamin C didn’t have time to degrade. Most of the vitamin C available > in all those foods when they were gathered up made it into somebody’s mouth. > > *Q10 Why don’t Indian tracks support more than the speed of > 130-150 kmph? What should Indian Railways do to upgrade it to 300+ km/h?* > > A10 Anand Feb 8 > > *To support high speed railway lines curves should be avoided so more land > and effort should be put in which also increases the cost.* Currently the > technology is being developed to make high speed rails and also a lot of > time and effort is required to convert older rails into newer developed > ones. So to sum up it requires more time and we also need land, manpower > and money to make this possible and I sincerely hope that it happens in the > near future. > > *Q11 What is the greatest accidental invention?* > > A11 Steven Haddock LL.B. degree, 25 years in litigation, > administrative law, collections, bankrupty and professional regulation Sat > > > *The first artificial dye. The chemist was trying to* make artificial > quinine for treating malaria. He got lavender coloured dye instead. > > Penicillin. Alexander Fleming came back to his lab to find a mold had > gotten onto one of his bacterial dishes. He noticed the mold had killed the > bacteria. > > Polyvinyl chloride. Twice. In both cases a chemist mixed together > ingredients and put them in a sunny location. The mixture hardened into a > plastic. The first guy wrote it down, but didn’t tell anyone about it. The > second one patented it. No one found a use for it until 54 years after it > was first synthesized. > > Bandaging wounds. A French field surgeon had run out of coal to heat up > his cauterizing irons and all he had was strips of cloth so he bandaged > wounds instead of burning them. The bandaged patients had much better > outcomes. > > Radioactivity. A French scientist put a rock next to some photographic > film, and when he developed the film he found it has been ruined. He soon > found he could replicate the effect. > > X-Rays. Roentgen was fooling around with cathode ray tubes and decided to > put a piece of metal in the path of the electron beam. And got very > interesting radiation coming off the metal. The resulting radiation > penetrated flesh, but not bone. > > The diode. Thomas Edison tried to use a wire coming out of the top of a > light bulb to hold up parts of his light bulb, but when it was on current > flowed from the filament to the wire even thought they weren’t connected. > He patented it but others realized this would create a one-way electricity > gate. > > Vulcanized rubber. Goodyear accidentally dropped sulfur into a rubber > compound he was trying to develop. *He found that the resulting rubber > was both flexible and melt resistant* which meant it could be poured into > molds and retain its shape indefinitely. > > Guncotton. A chemist spilled some chemicals and used a cloth to wipe them > up. He put the cloth near the fire to dry only to see it burst into flames > and instantly vaporize. He realized he had an ammunition quality explosive. > > *Q12 Is it okay to rent an apartment with only a bedroom, kitchen, > and wash room but no living room?* > > A12 Chris Cox Lives in Poole, Dorset Sat > > *These are known in the U.K. as Studio Flats.* > > 40 years ago we were looking for a property to rent in London. One was a > Studio Flat . We went to view it. It was 3 rooms. A kitchen, a bathroom and > a living room. The sofa converted into a double bed, and the bedding was > stored underneath the seat during the day. We decided it would be fine in > the short-term, but that once our forthcoming baby was mobile it wouldn’t > be suitable so decided to look elsewhere. > > *All the above QA are from Quora website on 14-02- 2022. **Quora > answers need not be 100% correct answers * > > *Compiled **and posted by R. Gopala krishnan on 15-02-2022* > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/iyer123/1104268141.1253669.1644908143223%40mail.yahoo.com > <https://groups.google.com/d/msgid/iyer123/1104268141.1253669.1644908143223%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/CAL5XZorz_pE%3DJPrDFN%3DEqrSVjT_dRSTBLSdjNQnkSQVTib0G3Q%40mail.gmail.com.
