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Clouds

A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes up to several miles above sea level. They are generally produced by the condensation of water vapor. Other clouds, less commonly seen, are composed of smokes or dusts.

10,186 Questions

Why would there be no water supply if the water and gas were recently turned back on in your house but now when you try to turn on the water to fill the bath tub nothing happens?

If the bath tub is the only place you are not getting water, I would check for a shut-off valve somewhere between the tub and where it branches off from the main hot and cold water lines. Or you could just have a bad valve on the tub.

Why does a securely tied balloon deflate and why is it quicker on a warm day?

A securely tied balloon will still deflate over time due to tiny holes in the material allowing air to escape through diffusion. On a warm day, the air inside the balloon expands and molecules move more quickly, causing the balloon to lose air quickly.

The Oil pressure gauge on my 2000 Jeep Cherokee always reads high hot or cold and low and high rpm's?

I have a 2001 sport i just bought and the red oil pressure gauge goes on whenever the vechile comes to a stop or even idles....my mechanic told me it was an idiot light...its just the oil going back to its lower cylinders. Suggest you have the oil pressure checked. If pressure is ok, replace the sending unit/switch.

How is mechanical tachometer used for measuring angular velocity?

A mechanical tachometer typically uses a rotating shaft connected to the moving object to measure its angular velocity. As the object rotates, the shaft spins and moves the pointer on the tachometer dial, displaying the angular velocity in revolutions per minute (RPM). The speed of rotation is directly proportional to the angular velocity of the object being measured.

What is a 1961 Browning 12 gauge 1M41773 worth in average condition?

Other than it being a standardweight Browning A5 12ga made in 1961, you dont provide much information. 26" open-choked guns bring more than 30" full choke guns, and condition is everything. Average to you may be poor to me. Without detailed information on a potentially collectable firearm, the best we can do is offer a range of $250 - $1000. www.countrygunsmith.net

Your 1986 Lincoln TC runs perfect when cold as soon as it warms up there's a steady hesitation mostly during slow acceleration it only has 40k original miles what would cause this condition?

The symptoms you described could indicate a problem with the fuel delivery system or the engine's sensors. Common issues could include a clogged fuel filter, a failing fuel pump, or a malfunctioning engine coolant temperature sensor. I recommend getting a diagnostic scan and a thorough inspection to pinpoint the exact cause of the hesitation.

What is the difference in a lower priced cold air induction kit compaired to a high dollar one?

Simple: you get what you pay for. Typically, a lower-end priced cold air kit won't offer the performance, reliability, nor the fit of a higher-end or more expensive kit. Higher end kits cost more because they have more effort put into making the product, thus needing to get what they put into making the product back. Lower end kits are made in quantity, not neccessarily quality, so they can sell them just to get back what they have put into them. Never settle for something cheap, especially if it is going into something expensive. it's just not worth it. Think of it this way, if you're willing to take the time to put something into your car for obvious performance enhancing reasons, why would you do it cheap? leave things like they are, or save up the money. Simple: you get what you pay for. Typically, a lower-end priced cold air kit won't offer the performance, reliability, nor the fit of a higher-end or more expensive kit. Higher end kits cost more because they have more effort put into making the product, thus needing to get what they put into making the product back. Lower end kits are made in quantity, not neccessarily quality, so they can sell them just to get back what they have put into them. Never settle for something cheap, especially if it is going into something expensive. it's just not worth it. Think of it this way, if you're willing to take the time to put something into your car for obvious performance enhancing reasons, why would you do it cheap? leave things like they are, or save up the money.

How does rain come in droplet form?

Rain forms when water droplets in clouds combine and grow in size. When these droplets become too heavy to remain in the air, they fall to the ground as precipitation. The size of the rain droplets can vary depending on the atmospheric conditions and the temperature of the air.

What is adiabatic cooling?

Adiabatic cooling is cooling that occurs without removing any energy from the system. It often occurs when a gas is decompressed. Adiabatic heating and cooling play an important role in weather.

How do clouds move if they are a gas without dispersing with the wind like steam?

Clouds are not a gas. They are made up of very small water droplets. That is why the air is so damp when you are in fog.

Clouds are moved along by wind, which is caused by a process of air cooling and heating.

See the Web Link 'Meteorology' to the left for an explanation.

Does cold weather have any effect on salt readings?

Yes, cold weather can have an effect on salt readings. Cold temperatures can cause salt to dissolve more slowly in water, which may lead to lower salt readings. It's important to consider the temperature when taking salt readings to ensure accuracy.

How do you calculate suction pressure for air theoretically?

Air has a pressure, but not a suction pressure. Air pressure is measured with a barometer, you do not calculate it. Suction pressure is a concept which applies to a pump.

Suction pressure = static pressure + surface pressure - vapour pressure - friction pressure.

Does warm or cool air defrost car windows faster and why?

If the window has FROST on it you will need warm air to melt the ice. If the inside of the window has vapor on it you need DRY air. When you turn the defroster on (in most vehicles) the air conditioning compressor starts to run as well, drying out the air. The temperature should also be as warm as is comfortable for the driver. When the dried air is blown across the window, the water vapor evaporates and you can see again.

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CORRECTION:

So in reality, the "pump" or compressor has no actual drying affect on the air, the compressor itself is a closed system pump, that forces gas into a compressed tube, and then upon release of the gas the tubing freezes. The a/c fan then blows outside air over the frozen tubing, which looks like a tiny little radiator, thus cooling the outside air.

During the winter, people typically do no use their a/c system (unless they live in the southwest US or someplace HOT), which basically would mean that for many months the A/C pump, tubing, condenser and other components would suffer from what's basically called "Lot Rot". Rust would build up from trapped moisture, the lubrication that keeps the pump nice and smooth would pool up and dry off the moving parts. And when the summer time hit and someone turned their A/C on it would sputter and spit and probably seize the pump. Therefore, an ingenious engineer figured out to wire the A/C system to the Defrost button, since they use very different air intakes. So you can send warm mixed air to the defrost vent, and at the same time keep the A/C system running and lubricated through the long winter months. So your A/C runs when you push defrost not to dehumidify your air, but to keep you A/C system from taking a crap in the winter.

The reason you would see an affect on fogged windows from using the A/C switch, is because it's bringing in outside cooler air, which is probably far less humid than the air you've been breathing that fogged up the window in the first place. Dry external air, whisks away the water vapor on the windows. The cooler air also has an impact on the air that was fogging the window, in that it cools the air bringing it farther away from it's condensation point and causing it to reabsorb the moisture it shed on the glass.

The defrost system, is of course by name designed to get rid of "frost", but it also uses outside air mixed with heated air to give you the same affect of removing fog. However, not only does it bring in external dry air, it also brings the temperature of the glass up, which changes the condensation capability of the air on the glass.

Take your mind back to last summer, when you had a nice cold beer on a hot day, the can sweats, water drips off the cold can because of condensation of moisture in the air on the cool can surface. Think of your cold windshield, it's probably just as cold as that beer, and the air you are exhaling and sitting in is warm and juicy, so the glass fogs up. You can either heat the glass, cool the air in the car, introduce dry air to the car, or pull over and get a beer. Basically, I would suggest that the defrost feature offers two of the 3 viable options, it heats the glass, and it brings in external warmed dry air directly onto the glass to whisk the moisture up and prevent further condensation. The A/C option only brings in cooled dry air. Which works faster? maybe A/C does or maybe not, I think it depends on how warm your engine is, since A/C can be cold in seconds, but heat takes many minutes to manifest. I think the better question is which works longer and is more comfortable, I think that's definitely the defrost.

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ADDITION to CORRECTION:

The above "Correction" piece is by far the best answer I've seen on the web that bests answers the question: how to defrost/defog your car window. For what it's worth, the Correction piece is spot on about the A/C being used in the winter months as a maintenance issue. However, there is a correction (or at least some additional piece of information) to make the above answer a bit more precise.

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A/C operation:

The A/C operation described above is a bit unclear. Refrigerant is compressed to around 100psi as a gas (today its r-134a) by the compressor. Then, this gas is sent to the condenser which cools the high pressure, high temperature gas into a lower temperature gas. This gas turns into a liquid by the time it leaves the condenser. This liquid (highly pressurized) is sent through tubing until just before the evaporator it is sent through a fixed orifice that quickly depressurizes the liquid and quickly turns back into a gas. That is, it evaporates. When this refrigerant evaporates, it absorbs heat; thus, we get a cold sensation. Since the boiling point of r-134a is around 35 deg f, the air around the evaporator will be about 35 deg f. As the gas evaporates in the evaporator, a blower motor blows air across the evaporator and sends this cold air (about 35 deg f) into the passenger compartment. Thus, cold air.

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A/C as a dehumidifier:

The A/C does dry the air, but only in warm temperatures (i.e. you will see the moisture dripping from underneath your car). This moisture comes from the evaporator drain (which is inside the passenger compartment). So inside air is actually being 'dried' in the warmer months. So, the above statement about the A/C not drying the air , however, is true only if it is cold out.

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A/C bringing in outside air:

The A/C system doesn't necessarily introduce outside air. The blower motor is inside the vehicle and blows inside air or outside air (depending on the recirculation door position) across the evaporator, then the heater core. Thus, if the A/C is on and the recirculation door is closed (closing off outside air) then no external air is introduced, and defogging doesn't occur. BUT, if your car lets you turn on defrost (which always brings in outside air) and ac, then of course, external air is introduced. So, although technical points, I add these facts. Thanks to whoever posted the above "Correction" piece as I learned a lot from it. Thanks, and I hope my little piece shed some light.

What is wrong when the fan stops blowing out cold or warm air in a 1999 Hyundai Elantra?

There could be several reasons why the fan is not blowing cold or warm air in a 1999 Hyundai Elantra. It could be due to a faulty blower motor, a malfunctioning heater core, a clogged cabin air filter, or a problem with the heating and HVAC system. It is recommended to have the car inspected by a mechanic to determine the exact cause of the issue.

What are high and low percentage shots in tennis?

High Percentage Shot: A high percentage shot is one that will most likely fly over the net and land within the court. A typical high percentage shot would be if you hit your forehand cross court 19 out of 20 times, or 95%, that would be considered a high percentage shot because the ball was in play the majority of the time. Low Percentage Shot: On the other hand, a low percentage shot is one that has a lower probability of either flying over the net or landing within the court. Trying to hit close to the lines is a low percentage shot because you have less area for the ball to land on. For example, hitting a line may occur 3/10 or 30% of the time. These are not good odds. Cross court shots have a higher probability of being good then down the line shots. This is due to the fact that the net is usually lower at the center of the court. When you hit a cross court shot, the net is lower, so your shot has more room when going over the net.

Why do you not feel atmospheric pressure on your bodies?

Our bodies are designed to withstand and adapt to the normal atmospheric pressure we experience every day. The pressure inside our bodies balances the external atmospheric pressure, so we don't feel it. This balance prevents our bodies from being crushed by the atmospheric pressure.

Why would a faucet have high water pressure when first turned on and then quickly slow down?

Generally this is caused by pressure being built up from the water getting hot in the hot water heater. By code you should have a hot water heater expansion tank on the cold water inlet of the water heater to absorb the added pressure. If this is your problem, the excessive pressure could possibly burst your water heater. The faucet stem or cartridge or washer may be loose or moving and blocking flow.

What is the relation between viscosity and flow-ability of a material?

Viscosity is a measure of a fluid's resistance to flow, with higher viscosity indicating more resistance. The flowability of a material is related to its viscosity, where lower viscosity fluids flow more easily, while higher viscosity fluids flow more slowly. In general, lower viscosity fluids are more fluid and flow easily, while higher viscosity fluids are thicker and flow more sluggishly.

Why does your shower keep stopping and saying low pressure?

Do you have your own well? If so the pressure switch has kicked in and the pump is running. If the pressure tank is in good shape, there is usually enough residual pressure in the piping system to be suitable, but when it drops the pump kicks in and that can take a bit. Did someone flush a toilet? A toilet refilling will take water out of the system, thereby reducing the system pressure. When it's finished filling, the pressure returns to normal.

What does it mean if the cold line on your central air is not cold and the hot side is not hot?

If both the cold and hot sides of your central air unit are not functioning as expected, it may indicate a problem with the refrigerant level or the compressor. You should contact a professional HVAC technician to diagnose and repair the issue.

If you have a lot of hair on your chin why is there more in some spots than others and why are some hairs darker and thicker?

The distribution of hair on your chin can vary due to genetics and hormones. Some areas may have more hair follicles than others, leading to more hair growth in those spots. The thickness and darkness of the hair can also be influenced by genetics and hormonal changes, like an increase in androgens.

Can you move out at 17 in East Moline Illinois?

It may depend on the city too. In our city we can move out 17 no matter what the parents say. My friend moved out at 17 and moved in with a 25yr old guy. Her dad contacted the police and they said she is 17 and there isn't anything they could do.17-Year-Olds Moving Out in ILThe legal age of majority in Illinois is eighteen (18) but however, under most circumstances a 17-year-old is able to move out, with or without parents consent .

In Illinois, if you are a seventeen year old female and have a place to stay, it is legal for you to move out of your parent's home.

Here is more input and advice:

  • Generally, no. The age of majority is 18. That's when you're considered a legal adult and you can make all your own decisions. In some cases a minor can be legally emancipated. You would want to contact a family lawyer in Illinois to ask about this. Otherwise you can't leave home without the consent of your parent or guardian until you are 18-years-old.
  • Not legally. The age of majority for the state is 18. What consequences might result from a minor arbitrarily leaving the family home would depend upon the action the parents or guardian chose to take. Authorities seldom intervene in situation pertaining to a minor who is atleast 17-years-old unless said minor becomes involved in a criminal act or is found living in an unsafe or unsuitable environment.
  • I grew up in Chicago IL. You are supposed to be 18 years old to be on your own, usually the police will leave you alone if you have proper ID. If you stay out of trouble and are not caught doing anything Ilegal you should be OK, but getting your own apartment you might be able to to get one if you look old enough and have proof of employment,like a recent pay stub. You will have to look in less disirable neighborhoods for an apartment. Because most require references. If you have a friend to move in with you should be OK, but like I said you can't get into trouble or do anything to get your friend into trouble.
  • What actions, if any, would be taken against a 17-year-old who moves out depends upon the parents. They would have the option of filing an absentee minor report(used when the location of the minor is known) or a missing person or "runaway"(if the location of the person is unknown. The majority of law enforcement departments do not have resources to track down every underaged person that leaves against parental wishes. That is why the parents would have to file a report, then petition the court for a requisition order to have the minor returned to their custody, or in some cases the minor would be remanded to a juvenile facility.
  • If it is a case of neglect or abuse the person can contact social services to find ways to remedy the situation. This often results in the teen being placed in a willing relative's or group home, until the person is of legal age.
  • A minor believing themselves to be in a situation of abuse and/or neglect should contact the state Department of Children and Family Services,in Illinois the numbers are, Hotline number 1-800-25-ABUSE or 217-524-2606. Other options National Child Abuse Hotline 1-800-392-3738 or general information and assistance 1-800-422-4453. The minor might also consider Teenline Online, an organization staffed by teens to assist other underaged persons to find assistance and solutions for their problems, http://www.teenlineonline.org. One should always keep in mind that phone and internet usage can be monitored.
  • Persons who are at least the age of 16-years may file a petition under the Emancipation of Mature Minors Act 750 ICLS Chapter 30.
NopeNo, not legally. If you did move out, I doubt you would be forced back. Since you are 17 it would be pointless to force you home, since you could leave so soon anywase. Your legal at 18
  • I can promise you there are plenty of parents who would not consider it 'pointless' to have their 17-year-old runaway child returned home. OP, you should know your parents well enough to know what their reaction would be. Would they insist on having you brought back home?

Where is the Location of low pressure connection 2001 Tahoe ac system?

I just recharged mine. If you have a rear air conditioner the low pressure connection is going to be righ over the top of the compressor facing to wards the front of the vehicle. Stand in front of the engine and look at the plumming for the AC. the ports are covered by black caps, there are three of them. You should unscrew to access the port. Be very careful when recharging the air coditioner as the engine has to be running. Good luck, Tizo I just recharged mine. If you have a rear air conditioner the low pressure connection is going to be righ over the top of the compressor facing to wards the front of the vehicle. Stand in front of the engine and look at the plumming for the AC. the ports are covered by black caps, there are three of them. You should unscrew to access the port. Be very careful when recharging the air coditioner as the engine has to be running. Good luck, Tizo

What causes an almost metal-like taste of the water?

LOOK OUT FOR LEADPlease get your water tested for lead first!!! If you got copper pipes and hard or acidic water the metal could be leaching out. If your on a well get it tested. If your on city ask your neighbor if they have the same problem. It might need to be brought to the citys attention many municipalities put aluminum in their water to make it sparkle!!! Always let your water run for about 2 minutes first thing in the morning or until the water gets as cold as it will get. the water sitting in the pipes overnight has more time to (corrode and leach metals out of the pipe) The hot water side also needs to be run. If you have brass faucet internals on PVC pipes they can leach out also.

What can you do if your central air has water condensing all over but the drain going outside is clear?

Depending on your installation, I'd say two things: either your condensate drain pipe is clogged, or it does not have the proper pitch and is not draining by gravity. (Or if you have a condensate pump, it's not working) Sounds like you may have a loose or missing piece of insulation on the inside of the unit and the exterior of the cabinet/ductwork is getting too cold and is sweating as a result.