In a air conditioner is thermal energy absorbed by coolant within pipes?

In a air conditioner is thermal energy absorbed by coolant within pipes?
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Thermal shield is used in high powered nuclear reactors to (A) Protect the walls of the reactor from radiation damageB) Absorb the fast neutrons(C) Slow down the secondary neutrons(D) Protect the fuel element from coming in contact with the coolant

Description : Thermal shield is used in high powered nuclear reactors to (A) Protect the walls of the reactor from radiation damage B) Absorb the fast neutrons (C) Slow down the secondary neutrons (D) Protect the fuel element from coming in contact with the coolant

Last Answer : (A) Protect the walls of the reactor from radiation damage

On which of the following variables heat convected depends ? (a) Power density (b) Temperature difference between heated surface and coolant (c) Thermal resistivity, density, specific heat (d) Gravitational constant (e) All ofthe above

Description : On which of the following variables heat convected depends ? (a) Power density (b) Temperature difference between heated surface and coolant (c) Thermal resistivity, density, specific heat (d) Gravitational constant (e) All ofthe above

Last Answer : (e) All ofthe above

Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Description : Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Last Answer : ANSWER: Y -- NEUTRONS MODERATED TO RELATIVELY LOW ENERGIES.

The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Description : The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Last Answer : ANSWER: Y -- COOLING TOWER

What happens when a chemical bond is formed? (1) energy is always absorbed (2) energy in always released (3) more energy is released than is absorbed (4) energy is neither released nor absorbed Correct (4) Answer – (1) energy is always absorbed Explanation: If a bond is broken, energy is released; and if a bond is formed, energy must have been absorbed. As these occur, a change in the chemical energy of the system also occurs. Within each bond of a molecule is an experimentally determined amount of enemy that upon the breaking of that bond is released into the chemical system. The energy within these bonds are 'stored' and can be easily thought of as potential energy. Upon the breaking of these bonds the energy is released thereby creating usable energy.

Description : What happens when a chemical bond is formed? (1) energy is always absorbed (2) energy in always released (3) more energy is released than is absorbed (4) energy is neither released nor ... as potential energy. Upon the breaking of these bonds the energy is released thereby creating usable energy.

Last Answer : Silver nitrate solution is kept in brown bottles in laboratory because - (1) it reacts with ordinary white bottles (2) brown bottles stops the passage of light through it (3) brown bottles do not react with it (4) brown bottles react with it

Is a thermal imager good for looking at heating pipes?

Description : You can use them to see where the underfloor heating is going and where it is not?

Last Answer : Yes. Before that, ventilate the space where you want to watch the surface cool down a bit and then turn on the heating! It will show very well.

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is (A) 100,000 kW (B) 160,000 kW (C) 200,000 kW (D) 320,000 kW

Description : The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is ... is (A) 100,000 kW (B) 160,000 kW (C) 200,000 kW (D) 320,000 kW

Last Answer : (D) 320,000 kW

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Description : What refers to the heating of the earth’s atmosphere not caused by direct sunlight but by infrared light radiated by the surface and absorbed mainly by atmospheric carbon dioxide?  A. Greenhouse effect  B. Global warming  C. Thermal rise effect  D. Ozone effect

Last Answer : Greenhouse effect

Pick up the correct statement from the following: (A) The internal pressure within a pipe, is caused due to water head and hammer pressure (B) In pressure pipes with water at rest, the pressure is equal to water head (C) Sudden closure of a valve, causes the water hammer pressure (D) All the above

Description : Pick up the correct statement from the following:  (A) The internal pressure within a pipe, is caused due to water head and hammer pressure  (B) In pressure pipes with water at rest, the pressure ... (C) Sudden closure of a valve, causes the water hammer pressure  (D) All the above 

Last Answer : (D) All the above 

The _____________ sensor senses the temperature of the engine coolant, and from this data the computer adjusts the mixture strength to rich side for cold starting. a) engine temperature b) exhaust gas c) air flow d) air inlet temperature

Description : The _____________ sensor senses the temperature of the engine coolant, and from this data the computer adjusts the mixture strength to rich side for cold starting. a) engine temperature b) exhaust gas c) air flow d) air inlet temperature

Last Answer : Answer: a Explanation: The engine temperature sensor senses the temperature of the engine coolant, and from this data the computer adjusts the mixture strength to rich side for cold starting while the ... gas senor senses the amount of oxygen in the engine exhaust and calculates air-fuel ratio.

The knocking tendency in CI engines increases with (a) Increase of coolant water temperature (b) Increase of temperature of inlet air (c) Decrease of compression ratio (d) Increase of compression ratio

Description : The knocking tendency in CI engines increases with (a) Increase of coolant water temperature (b) Increase of temperature of inlet air (c) Decrease of compression ratio (d) Increase of compression ratio

Last Answer : Ans :c

Molten sodium (as a coolant in fast breeder reactor) (A) Can’t attain high temperature at normal pressure (B) Is not at all corrosive, even at a higher temperature (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water (D) None of these

Description : Molten sodium (as a coolant in fast breeder reactor) (A) Can’t attain high temperature at normal pressure (B) Is not at all corrosive, even at a higher temperature (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water (D) None of these

Last Answer : (C) Is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water

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The net effect of circulation is to move warm air from the and thus moderate the equator-to-pole energy gradient created by . (a) the tropics to the poles; the difference insolation absorbed in day and night (b) the tropics to the poles; ocean circulation (c) from the surface up to the tropopause; more heating near the ground than aloft (d) the tropics to the poles; the latitudinal distribution of absorbed insolation (e) from the surface up to the tropopause; more heating in the atmosphere than at the surface from GHGs

Description : The net effect of circulation is to move warm air from the and thus moderate the equator-to-pole energy gradient created by . (a) the tropics to the poles; the difference insolation absorbed in ... from the surface up to the tropopause; more heating in the atmosphere than at the surface from GHGs

Last Answer : the tropics to the poles; the latitudinal distribution of absorbed insolation

Does anyone else turn off their air conditioner or heater in their car if they are lost or looking for a specific address or place?

Description : Does anyone else turn off their air conditioner or heater in their car if they are lost or looking for a specific address or place?

Last Answer : Oh yes, I do that. And not only that, but the first thing I turn off is the music - radio or cd player, etc. I do believe it helps me focus. It's one (or two or three) less thing/s that ... of the music, so I've felt sort of mentally challenged that I do it; like there was something wrong with me.

Can you name a brand of air conditioner that you trust? And any brand you wish you'd never bought?

Description : Can you name a brand of air conditioner that you trust? And any brand you wish you'd never bought?

Last Answer : I have a portable one by DeLonghi. Working fine for now.

Has anyone dropped a window air conditioner out of the window?

Description : Has anyone dropped a window air conditioner out of the window?

Last Answer : I have had 2 window units for over 20 years & NEVER had one fall out of my window. One window has had the unit replaced 4 times & still NO disaster!!! You just need to be careful when installing. ... sitting under my unit which works as well as the base did & it's more of a generic stabilizer!!!

Would it help if a furniture/air conditioner/ to have encouraging words in their instructions ?

Description : Would it help if a furniture/air conditioner/ to have encouraging words in their instructions ?

Last Answer : I wouldn’t hod my breath for that though since it would make it sound their product less interesting to buy if it says it’s hard.

What should be done if an air conditioner stops working, instead of getting rid of it or calling an expert?

Description : What should be done if an air conditioner stops working, instead of getting rid of it or calling an expert?

Last Answer : What are you asking? Maybe call your cousin Bob to see if he can fix it? Find a tutorial on YouTube? I’m not sure what you want to know, here.

Why would a commercial air conditioner be more dependable than one for a house?

Description : Why would a commercial air conditioner be more dependable than one for a house?

Last Answer : I'm not sure I understand what you are asking. But commercial grade equipment is always built to more rigorous standards than your average consumer goods of comparable functions. And the price for ... the ambient temperature down more quickly and the unit will cycle for shorter periods of time.

What is wrong with my car's air conditioner?

Description : What is wrong with my car's air conditioner?

Last Answer : You may be low on Freon due to a possible leak, See a qualified technician.

What is an eco-friendly way to maintain my air conditioner?

Description : What is an eco-friendly way to maintain my air conditioner?

Last Answer : That sounds like swamp cooler. You don’t generally bleach the till seasons end. What you do is you pull the matting out, bleach it scrub it and dry it, flush aircon, replace matting turn off system and put cover on, That way you can leave the frogs till end of summer.

Why would the air conditioner in my car work intermittently and not all the time?

Description : Why would the air conditioner in my car work intermittently and not all the time?

Last Answer : answer:Low charge is my first guess. Once the engine compartment heats up, the refrigerant expands just enough to allow it to kick in, but until then the pressure is too low, causing the pressure ... ; they sell R134 recharge kits at Autozone, and it's almost as simple as recharging a smartphone.

Have you ever made a DIY air conditioner from a styrofoam container and fan?

Description : Have you ever made a DIY air conditioner from a styrofoam container and fan?

Last Answer : They work fine, in dry or moderately humid areas. In high humidity the downside is the cold clammy feeling. My grandfather, when he and my grandmother lived in the Victorville area of southern California, had a ... . All of this was bolted to the side of the house with a cutout the fan blew through.

Is there a portable air conditioner with a humidifier feature?

Description : Is there a portable air conditioner with a humidifier feature?

Last Answer : An air conditioner is, partly a dehumidifier. Part of how it works is to remove humidity from the air so adding humidity would be counter productive. If your air is hot and dry you might consider an ... didn't work well above 90-100 degrees. I only had to use the AC on exceptionally hot days.

Will an "outdated" round thermostat work with a new air conditioner?

Description : Will an "outdated" round thermostat work with a new air conditioner?

Last Answer : answer:Get into a time machine and return to the past. You need someone (electrician, guy who installed the AC) to explain how to use the thermostats. There is probably useful info in ... a galaxy. And Egyptians probably feel equally put upon when they buy appliances with instructions in English.)

My window air conditioner has lost its oomph. How can I diagnose it without having to go through the hassle of removing it from window?

Description : My window air conditioner has lost its oomph. How can I diagnose it without having to go through the hassle of removing it from window?

Last Answer : answer:Is the coolant compressor kicking in at all? Perhaps you already know this, but with most window units, you can hear a humming sound when the compressor's running, whereas you will only ... cooling could be caused by other things, but first try to determine whether the compressor is running.

Why did my air conditioner start blowing only warm air?

Description : Why did my air conditioner start blowing only warm air?

Last Answer : answer:Sudden changes with A/C unit would indicate a mechanical problem, not just Freon. I would call a repairman. If the fans inside and out are working and the unit is over 10 years old that would ... like the condenser or compressor. No, I not a repairman but have had issues before with my A/C.

What is wrong with my VW air conditioner?

Description : What is wrong with my VW air conditioner?

Last Answer : answer:Black absorbs heat, trade your car in for a white one. Or find a solar powered fan that can run while the car is sitting. By the time the AC has caught up to the heat build up inside your car it ... in most cars will only do so much, a 20F drop in temp is about all you can expect from them.

Do you turn off your air conditioner in your home during the summer if you are going to be gone for a few days?

Description : Do you turn off your air conditioner in your home during the summer if you are going to be gone for a few days?

Last Answer : No. My house is like an oven too….just ask @Vunessuh. XD

How do I handle this situation with my landlord and a leaky air conditioner?

Description : How do I handle this situation with my landlord and a leaky air conditioner?

Last Answer : Bypass the maintenance guy and call the property owner directly. I'm sure they'll be interested in the wall damage at the very least and hopefully they'll light a fire under maintenance to get ... . Make sure you document every time you called about this issue and take pictures of the damage.

How best to hide air conditioner condenser outside?

Description : How best to hide air conditioner condenser outside?

Last Answer : answer:Don’t they need at least two feet of free space around them to ensure proper circulation? Perhaps you should consider having it moved to the side of the house or put on the roof. A screening would be good as long as the enclosure does not “suffocate” the unit.

What can cause a dripping water out from the air-conditioner on the wall ?

Description : What can cause a dripping water out from the air-conditioner on the wall ?

Last Answer : Air conditioners normally drip water. Are you saying it is dripping fro somewhere other than the normal outlet?

My (soon-to-be-replaced) air conditioner is frequently tripping the circuit breaker in my apartment. What can I do to prevent this?

Description : My (soon-to-be-replaced) air conditioner is frequently tripping the circuit breaker in my apartment. What can I do to prevent this?

Last Answer : answer:A mini-split AC unit will use less power than a regular square version and should help with the problem. However if your problem resides in old wiring with a lower amperage/threshold you might ... every time you want to use it but this has cut my electric bill dramatically. Hope this helps

Help me buy a new Air Conditioner!!1?

Description : Help me buy a new Air Conditioner!!1?

Last Answer : answer:Man, you're asking a lot here. To compare apples to apples , look at the various energy efficiency stickers on the competing models you look at. They are required to calculate energy ... darkening / reflective blinds for south-facing windows, for example, to aid in lessening the AC load.

Any tips for setting up a portable air conditioner when you have casement windows?

Description : Any tips for setting up a portable air conditioner when you have casement windows?

Last Answer : I knew Costco had several portable non-window mounted units but only this one shows the vent hoses mounted vertically in a window. Nevertheless, I suspect this one won't work with your type ... Those are beautiful windows but they sure are problematic for your desired system. Good luck to you wtf

what air conditioner should i get?

Description : what air conditioner should i get?

Last Answer : http://www.consumersearch.com/www/house_and_home/air-conditioner-reviews/index.html They recommend Kenmore, and I also had a Kenmore cool a bedroom around that size and it was great.

How do I calculate what size air conditioner (in BTUs) I need according to my apartment's square footage?

Description : How do I calculate what size air conditioner (in BTUs) I need according to my apartment's square footage?

Last Answer : answer:Will also depend on insulation, windows, and locale (BTU requirement in San Francisco, for instance, is substantially lower than Phoenix, Arizona). However, I can't seem to find the book with the general formula's in it... sorry!

Should I invest in a window air conditioner or a dehumidifier?

Description : Should I invest in a window air conditioner or a dehumidifier?

Last Answer : answer:The dehumidifier I had didn’t make any difference whatsoever so I got rid of it. I don’t know if better quality de-humids would work better. A regular fan might be just as good, and cost a little less to run.

is using water used from a air conditioner condenser hazardous to plants

Description : is using water used from a air conditioner condenser hazardous to plants

Last Answer : Crap! forgot my email, sorry about that! I'm not a 100% sure, but I have used AC water to cool the root systems, (Pots) on a very hot tar/rock roof, I'm 90% sure the water was ... knows for sure, I may try it myself. I work around very large units and have contemplated this question myself.

Which gas is used as referigerant in fridge and in air conditioner? -Chemistry 9th

Description : Which gas is used as referigerant in fridge and in air conditioner? -Chemistry 9th

Last Answer : Freon In less difficult terms, it is a cooling substance that is liable for the cooling impact of the air-conditioner. R22 with an atomic recipe of CHCLF2 is the most generally utilized refrigerant for Air-conditioners. It continually changes its state(Solid, Liquid, and gas) at various temperature

How can I know if my air conditioner is ready for summer?

Description : How can I know if my air conditioner is ready for summer?

Last Answer : We will cover a few basic steps that will help you identify some issues and rectify them in your air conditioner.Safety first.Turning off the switch might not be enough sometimes. You also ... air conditioning maintenance is important to be done throughout the year to avoid such issues.Look for a

What parameters to consider for an air conditioner installation?

Description : What parameters to consider for an air conditioner installation?

Last Answer : We have listed a few reasons how regular servicing and maintaining your air conditioner can safeguard the air quality of your home giving you the necessary peace of mind.Save on electricity ... Within this time, you can avail practically free services which include any minor repairs that need

Who invented the air conditioner ?

Last Answer : : Air Conditioner Discovered (W. H. Carrier (American) 1902)

how do I unclog my air conditioner drain line

Description : how do I unclog my air conditioner drain line

Last Answer : Need Answer

2000 Chevrolet truck: can you use "stop leak" with freon in air conditioner system?

Description : 2000 Chevrolet truck: can you use "stop leak" with freon in air conditioner system?

Last Answer : You can try one of these products availible at AutoZone http://www.autozone.com/autozone/accessories/Fluids-and-Chemicals/A-C-Stop-Leak/_/N-25qt

How do I fix my air conditioner that is not cooling?

Description : How do I fix my air conditioner that is not cooling?

Last Answer : Do the following things to remedy your lack of cooling: Check your air filter for any blockages as this may prevent cool air from exiting the unit. Check your condenser coil as it may be dirty. Check your compressor. Check your thermostat.

What are the common causes of air conditioner failures?

Description : What are the common causes of air conditioner failures?

Last Answer : Loss of Freon via pinholes in either the condenser or evaporator coil with time. It starts with noticing airless and less cold and it ends with compressor stopping due to its safeties build in.

Why does water leak from an air conditioner?

Description : Why does water leak from an air conditioner?

Last Answer : Water commonly drips from HVAC systems because of disconnected or clogged drain lines. Ensure that the AC is properly installed and clean the dirty filters.

How can we repair the air conditioner?

Description : How can we repair the air conditioner?

Last Answer : Ac is a very complex machine , you must have to be very perfect if you want to repair it yourself, you can watch YouTube tutorial about the problem you are facing, that might help