Pranam
This is written by Mr. G
Sir,
You are the first person telling E=MC square is wrong and Einstein is
wrong. Light waves travel in wave form only. Can you elaborate your stand?
Gopalakrishnan
My reply
Pranam
Sorry neither you know what is.E= Mc2 nor wave particle related to.
There is an experiment Einstein did on bending of light. Calmly read all
and understand. K. R. IRS
---------- Forwarded message ---------
From: Rajaram Krishnamurthy <[email protected]>
Date: Wed, Jul 27, 2022, 7:09 PM
Subject: Re: CULTURAL QA 07-2022-27
To: gopala krishnan <[email protected]>
Pranam
Sorry neither you know what is.E= Mc2 nor wave particle related to.
There is an experiment Einstein did on bending of light. Calmly read all
and understand. K. R. IRS
On Wed, 27 Jul 2022 at 6:59 PM, gopala krishnan <[email protected]> wrote:
> Sir,
>
> You are the first person telling E=MC square is wrong and Einstein is
> wrong. Light waves travel in wave form only. Can you elaborate your stand?
> Gopalakrishnan
>
> On Wednesday, 27 July, 2022 at 04:25:59 pm IST, Rajaram Krishnamurthy <
> [email protected]> wrote:
>
>
> Pranam
> Q3 Culture shock?. I thought he was going to reveal something out of the
> ordinary. But not seeing coconut water shops?. India has throughout the
> CULTURE SHOCK . Father and son drinking liquor together also with house
> ladies; vegetarians by birth including Brahmins iyers and iyengars eating
> non vegetarian sitting "you know in calcutta they take fish"?. ; girls
> hugging and kissing the classmates talking all stuffs unwritable and later
> marrying some high fiber and living teaching culture to others; ladies
> young working in any bank as aclerks , behaving as if the opposites are
> under their mercy; so many I can write.
> Q4 What is that jargon ANTIOXIDANT?. Is there any food -any food- any
> food like that?. any drinks like that?; toxicity is body concerned; how the
> food will give that; it is the same horlicks sold for kids , women , men
> and sports etc./ Marketing strategy.
> Q5 WHO had reported in India 80% of the water tanks are never cleaned at
> all; and the lorries bringing water is used for so many other contents and
> in majority remain uncleaned. Masters who prepare food in hotels are so
> rustic we still eat all of them; and our body is brave if combating the
> toxicity.
> Q6 Why are we begging for special treatment ? let there be equity of law
> to all.
> Q7 Lemon is superman to all except the acidic people.
> Q8 Because of RATE underrating arises if stat is taken in the large
> section. But if you can buy an apple at 10 PM, well, you will know it is
> not underrated.
> Q9 Any object needs repairs if ill maintained; I have voltas 165-20 years
> old without being touched by any one so far. I have a few articles and
> clothes like that.
> Q100 It is an erroneous question misunderstood by Einstein or misread by a
> few. Light is in a straight line only. If you block it the travel changes .
> Perception is the theory. KR Have a small team day KR IRS 27722
>
> On Wed, 27 Jul 2022 at 05:13, 'gopala krishnan' via Thatha_Patty <
> [email protected]> wrote:
>
> *CULTURAL QA 07-2022-27*
>
> *BEING A COMPILATION THERE MAY BE ERRORS*
>
> Q1 Is it true that the temperature displayed on an air
> conditioner is not the actual temperature of the room?
>
> A1 Gaurav Raj Gupta, Studied Mechanical Engineering3y
>
> Yes. It is true that temperature displayed on an air conditioner is not
> the actual temperature of the room. *Temperature being displayed on an
> conditioner can be lower than, equal to or greater than the room
> temperature.* To understand this, let us first try to get an overview of
> how the air conditioner lowers the room temperature.
>
> Function of an air conditioner is to maintain air quality inside a room.
>
> One of the parameters to be controlled is the room temperature. The
> temperature displayed on the air conditioner is the temperature of the room
> which the occupant desires. *When the air conditioner is turned on, the
> blower starts followed by the compressor.* The blower sucks in hot air
> from the room, passes it through the evaporator heat exchanger (maintained
> at a low temperature by compressor and allied components of the
> thermodynamic cycle) and *discharges chilled air in the room whose
> temperature is much lower than the room temperature.*
>
> This chilled air then interacts and exchanges heat with the hot room air
> and brings down its temperature. *This cycle goes on until the
> temperature of the air being sucked in the air conditioning unit is lower
> than the set temperature.*
>
> *Once the air gets cooler than the desired temperature, it is detected by
> a thermostat which turns off the compressor.*
>
> As a result the temperature of the evaporator heat exchanger increases
> gradually. Due to this the air being discharged by the air conditioner is
> no longer chilled. *As the temperature rises, the temperature is again
> turned on to maintain the temperature, and the cycle repeats.*
>
> Let us now revisit the three temperature scenarios discussed in the start
> of my answer.
>
> *If the room temperature is lower than the set temperature, only the
> blower will run and compressor will be turned off.*
>
> *If the room temperature is equal to the desired temperature, again it
> will only be the blower which will be operating.*
>
> If the room temperature is higher than the set temperature, both the
> blower and the compressor will be on to bring the temperature to the
> desired level.
>
> My note- If one set a temperature at a lower unit when outside temperature
> is very high, the AC tries it’s best to provide a temperature maximum
> possible by it . There is an efficiency gradient which depend on the
> compressor age, and humidity of the room.
>
> Q2 What are the advantages of a diesel locomotive over an
> electric locomotive?
>
> A2 Indian Railways Space, Answered by Swagata Sarkar Fri
>
> A diesel locomotive and an electric locomotive are almost the same *with
> one big difference, the process of power harnessing.*
>
> While Electric locomotives require an external source of power (OHE, power
> Rail, and Third rail) and power collection (Pantograph, collector Shoes).
> Operating Electric locomotives require additional infrastructure and the
> establishment of power stations, distribution grids, and manpower.
>
> *Diesel locomotives, on the other hand, carry their own source of power.*
> This point in itself allows the diesel locomotives to operate in places
> where the establishment of OHE (overhead equipment) is not possible.
>
> Diesel locomotives are also mechanically less complex than their electric
> cousins
>
> Cheaper to operate on small-scale operations
>
> Cheaper/ easier to maintain
>
> More efficient in hauling heavier loads:
>
> Diesel locomotives due to their nature of power delivery are very
> efficient in starting freight/passenger trains. In the long run, this
> reduces the time of travel/transport. the power delivery/initial traction
> is smoother.
>
> On the other hand, *electric locomotives, the ones that use Tap changers
> are especially smooth. They are known for their linear and uniform power
> and less to no jerks in operation, making them suitable for passenger
> service*
>
> Electric locomotives are more efficient at high speeds. Instantaneous
> power delivery. Almost full power is available at all throttle ranges
>
> Better tolerance towards climatic conditions (less prone to failures due
> to extreme heat and cold)
>
> Ease of operation due to the nature of the locomotive.
>
> As we can see, there is no clear winner. Both locomotives are good in
> their own rights. Even though some of their jobs are interchangeable,
> some are best suited to only one of them.
>
> Q3 What culture shocks can a North Indian face in South India?
>
> A3 Shubham Bhatt, Lives in India Sun
>
> I went to Kozhikode and Wayanad in Kerala few months ago.
>
> *In so many movies and web series I had seen cities of Kerala full of
> coconut trees* (Kerala is also called as land of coconut) so it was
> always in my mind to drink as much as coconut water whenever I would go to
> Kerala.
>
> I used to think that every street there must be full of those coconut
> water stall like we have samosas and pani puri stall after every kilometers.
>
> *When I entered Kozhikode, it was the same type of scenes I had seen in
> movies*. City was really beautiful, full of greenery, coconut trees
> almost everywhere around.
>
> I went to Kozhikode beach in the evening time. I enjoyed a lot there too.
> *After
> few minutes I started searching for coconut water stall to fulfil my wish.
> I couldn't find any.*
>
> Later next day too I was roaming on streets, went to several places in
> both Kozhikode and Wayanad but could find *coconut water stall only at
> limited places and that too at same rate as in North*. (Earlier I had
> thought it would be of low cost due to more production there)
>
> I asked my cab driver the reason for this and he replied 'Sir most of us
> have already coconut trees at our home so why someone will drink coconut
> water from stall here rather drink from own tree.’
>
> It was a shock for me but that seemed logical, reasonable and fair. At
> last he took me to place where I drank back to back 2 coconut water. Later
> I saw more places in the city and around and it was really beautiful.
>
> *My note- Comparing to Kerala, Karnataka and* Tamilnadu have more coconut
> trees. *90% or more of processed husk required in Alleppy coir
> factories is obtained from Karnataka now. *
>
> Q4 What foods have antioxidant?
>
> A4 Luisa Fanzani, Cosmetic Chemist, Featured in Netflix
> documentary "Broken". Updated 20h
>
> I like this question! *Eating antioxidants rich foods is always a great
> idea.*
>
> Here is a list of foods that contain antioxidants:
>
> *Black grapes contain resveratrol. Resveratrol* modulates inflammation
> and fights oxidative stress through SIRT-1 activation. SIRT-1 is an enzyme
> that has been linked to *DNA repair*, oxidative stress response,
> mitochondrial function, and biogenesis.
>
> * Red chili, citrus fruits, potatoes and berries contain* vitamin C.
> Vitamin C is essential for the production of collagen and is also one of
> the best anti oxidants in skincare. Even though berries are not the first
> food that comes to mind when we think of vitamin C, did you know that ounce
> for ounce strawberries actually provide more vitamin C than oranges? One
> more reason to love strawberries.
>
> *Coffee contains caffeine, an antioxidant that* protects the skin against
> UV rays and slows down the photoaging of the skin. (However this does not
> mean you should drink coffee all the time, as we know caffeine is an
> excitant and abusing it is not good for our health.) In skincare it is
> especially great as an ingredient in eye creams.
>
> *Tomatoes contain ferulic acid, a powerful* antioxidant that helps
> protect the skin from sun damage and free radicals. Free radicals are very
> unstable molecules with an appetite for electrons. They tend to steal
> electrons from whatever other molecule they can find, including the DNA,
> leading to changes in our bodies that are negative. In the skin they’re
> responsible for the aging process.
>
> *Hazelnuts, wheat, sunflower oil/seeds, red caviar,* egg yolks and
> almonds all contain vitamin E which is an antioxidant. In skincare it also
> has a soothing effects on skin thanks to the lipids and it helps skin
> retain moisture.
>
> *Garlic contains caffeic acid which prevents the* degradation of
> pro-collagen type 1. Speaking of which…
>
> Not an antioxidant, but still essential: bone broth, beef, chicken and
> fish contain collagen, a protein responsible for skin elasticity. Bone
> broth doesn’t come with just collagen but also with vitamins and minerals
> that the body needs.
>
> *If you don’t plan on eating foods that contain* collagen you could
> always go for collagen supplements. I take my unflavoured collagen powder
> in my coffee or soups (or even with just water) every single day as I don’t
> want to eat meat all the time…
>
> Q5 How do you deal with your water tank at home?
>
> A5 Gopala Krishnan, Former Assistant General Manager 1996-2004 at
> Department of Telecom (1966–2004)Just now
>
> *I assume the question is about an overhead tank made of brick and
> cemented outside*. Rather than rectangle the water tank in homes can be
> slightly hexagonal. Without going much to physics principles *this would
> avoid when filled with water force on walls very less*. Walls should be
> made with double brick work to avoid breaking. Inside tank after checking
> for leakage *quality tiles must be pasted on bottom and walls.* Still due
> to water thrust, damage to tiles (top coating breaks and coming out ) is
> common. *When tiling becomes more damaged tiles may be changed*.
>
> Tanks must be cleaned once a quarter without fail by skilled workers. Never
> attempt self-cleaning. I know the case of a neighbour aged about 65 fell
> in to water in the tank while trying to get into and difficult to bring him
> out . He suffered injuries. Before cleaning ensure water outlet is
> closed in the tank and not at outlet valve. Bore-well water may bring
> clay. Hence cleaning should be done periodically. *Bleaching powder may
> be used while cleaning and removed fully in the end of cleaning*. Only
> skilled persons should be employed in cleaning.
>
> *Laminated thick sheet with Aluminium frame work is* one of the best top
> covering rather than RCC slabs which may break on removing or moving over
> the tank.
>
> Q6 Why won't Railways restore concession on fares for senior
> citizens?
>
> A6 Shubham Maurya,Rail Fan Thu
>
> Indian Railways Ticket Booking Rule Changed! Senior Citizens Will No
> Longer Get Concession |
>
> Indian Railways Latest News: According to reports, the concession that was
> lifted during the Covid-19 pandemic will not be restored. *According to
> Rail Minister, Indian railways are already providing tickets at a
> subsidised price. R*ailway Minister Ashwini Vaishnaw has said that the
> concession on ticket prices provided to senior citizens will no longer be
> available. *According to media reports, the concession was suspended for
> two years due to the Covid-19 pandemic*. The Union Minister had earlier
> stated in the Lok Sabha about the move. He has reiterated this in a press
> conference in Chennai.
>
> Before the pandemic, men over 60 years of age got a discount of 40 per
> cent on rail tickets. Women over 58 years of age got a discount of 50 per
> cent. *Talking about the discount, Vaishnaw said that the Indian railways
> are already providing tickets are a subsidised cost. He stated that people
> are only charged Rs 45 per ticket and the government has to pay Rs 100 per
> ticket for operational costs.*
>
> Rs 2,000 Crore Burden Due to Concessions
>
> According to reports, Indian railways incur a loss of Rs 2,000 crore due
> to 53 concessions it offers to citizens. The discount for senior citizens
> alone accounted for nearly 80 per cent of the total concessions. In the
> two-year period when the concessions were lifted, railways earned
> additional Rs 1,500 crore in revenue.
>
> Q7 Can lemon help to lower sugar levels?
>
> A7 Lucia Garcia,Worked at Hospitals Sun
>
> Lemon is a fruit recommended by the American Diabetes Association and is
> very suitable for people with diabetes.
>
> Lemons are low in sugar. A medium lemon weighs 50 to 60 grams and contains
> only about 1.5 grams of sugar.
>
> The glycemic index of lemon is 34, which is a low glycemic index fruit.
>
> Lemon is a fruit with relatively high nutritional and medicinal value. *It
> is rich in citric acid and is called "citric acid warehouse".*
>
> *Citric acid can promote insulin secretion and play a role in lowering
> blood sugar levels*. However, lemons can only play an auxiliary role, not
> a substitute for drugs.
>
> It is worth mentioning that eriocitrin is a special ingredient contained
> in lemons, which other fruits and vegetables do not contain.
>
> *Eriocitrin is a natural antioxidant that reduces over-acidified fat in
> the liver*, kidneys, and blood, regulates the body's acid-base balance,
> and prevents diabetes complications.
>
> *My note- I have a lemon/lime tree, when fruit appears it* is green, but
> on fully ripen changes to brown and not yellow. Though our neighbour was
> using it, somehow my wife did not like it. Recently she herself made pickle
> plucking two lemons while it was green. It was so tasty and I continue
> using the pickle. Lemon has to be boiled a little more time since skin is
> more thick. Blood sugar test I have not done.
>
> Q8 Which fruit in India is underrated?
>
> A8 Roshni Shanmugam, Studied at St. Joseph's College of
> Engineering3y
>
> *Wood Apple is the most underrated fruit in India. It* is called as
> *vilaampazham* in Tamil and Bel in Hindi.
>
> This fruit is famous during festive seasons like Ramanavami, vinayakar
> chaturthi and gokulashtami. It has a hard and woody outershell inside
> which, there is a soft and spongy fruit pulp. It has lots of health
> benefits , some of which I have mentioned below.
>
> It will cure digestive problems. Improves immunity. Cures skin
> problems. Improves metabolism
>
> It also treats joint pains and hypotension in adults.
>
> There are many different ways in which one can consume wood Apple. But I
> used to mix the fruit pulp with jaggery and eat. It's a healthy way of
> eating this fruit with high iron content.
>
> *My note- because of the thorns in the tree and* falling down when dried,
> and the fruit has a peculiar smell which attract snakes, in Kerala we were
> forbidden from eating it. My information during boyhood days. Only
> leaves were plucked elders making sure thorns do not pierce the foot.
>
> Q9 How often do fridges need repair?
>
> A9 Gopala Krishnan,Former Assistant General Manager 1996-2004 at
> Department of Telecom (1966–2004)Just now
>
> *In India most fridges comes with 10 years warranty for *compressor
> nowadays. If properly maintained and carefully maintained, most fridges
> does not require any repair.
>
> Once in three months clean the fridge completely and keep things neatly.
> Ensure the inlet air holes in each shelf are clear. Clean the top and
> outside of fridge every week. Do not keep unnecessary things in the shelf.
> Do not overload the fridge. Keep fridges away from LPG stove.
>
> If necessary have a 2nd fridge than over loading a fridge. Present day
> fridges are quality ones and lesser priced and affordable.
>
> Keep a stabilizer and ensure current is taken through a stabilizer to
> fridge connector.
>
> Q10 Why do rays travel in a zig-zag instead of in a straight
> line?
>
> A10 Dale P Lee, Jun 21
>
> It is a wonderful question, which cries out for a clear answer. Let's see
> if we got it.
>
> *Lightning is an electric discharge between two* points that are at a
> sufficient potential difference so that the dielectric medium that
> separates them (the air) is perforated. When this happens, the electric
> current encounters an absolutely inhomogeneous medium (the air): regions of
> greater or lesser density, areas of greater or lesser temperature, slightly
> different pressures over small distances, more or less humid areas... *the
> electricity tries to reach the opposite potential of the starting point
> along the path that offers the least resistance, and all this has an
> influence.*
>
> We can make a comparison with falling water: under perfect conditions, a
> drop of water, looking for the gravitational gradient, *falls completely
> vertical; but if it has other constraints, such as rough terrain, a stream
> will take the closest possible path to the gradient*: it will never run
> uphill, but it can meanders, curves, bends, shifts of all kinds, etc.,
> which is what rivers do.
>
> It is also what happens with the mineral diffusion between the cracks of
> the stones.
>
> *All the above QA are from Quora website on 26 -07- 2022. *
>
> *Quora answers need not be 100% correct answers .*
>
> *Compiled **and posted by R. Gopala krishnan on 27-07-2022*
>
>
>
>
>
>
>
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