Shadowing Practice: Water Flow and Water Pressure: A Live Demonstration - Learn English Speaking with Video
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66 משפטים
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Hi folks, a lot of people out there, probably yourself included, if you're homeowners you deal with potentially what you call water pressure problems
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and people don't understand that it's probably actually a water volume problem.
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It's not a pressure problem and I'm going to demonstrate that for you in very simple terms.
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I'm not a scientist.
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I'm not going to get in any kind of technical jargon that you might not understand and I probably wouldn't understand.
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So we have pressure gauges on two different lines here.
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One's on an inch and a half line.
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It's showing about 30-35 pounds of pressure and this is on a three-quarter line.
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You know there might be a small kink in one of the lines.
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It should be identical.
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This is showing 40 pounds of pressure, but they're being fed by the same exact source.
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So the pressure is the same, but the volume is vastly different.
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So I'm going to give you a quick example, probably the only technical ease I'm going to get into.
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If you have a one inch water service line in your home,
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it's measured by how many gallons per minute it can provide, which is eight gallons per minute, which is barely enough for a one-family home,
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according to New York City sizing tables.
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An inch-and-a-quarter line, which is larger, inch and a quarter, one inch, maybe cost $150 difference if you completely change your water line,
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gives you 75% more water, gives you 14 gallons per minute for about $150.
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Now I'm going to get in, that might be the last technical thing I'm going to show you.
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So, 40 pounds of pressure.
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Okay.
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Now, because it's interesting, because this hose is small,
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it still has resistance to the water flowing through.
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It still registers about 15 pounds of water.
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There's an interesting point.
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When you restrict the flow of water, increase the pressure and you know that
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if you put your finger over the opening of your garden hose well that's more pressure
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but it's less water and that's the same principle for
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when you're taking a shower you have a shower head it
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makes the water have more pressure same thing with your sink same thing like I said with the garden hose
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so we're gonna shut this off now what you're going to see,
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which should be interesting, this is an inch and a half line,
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pretty much identical water pressure.
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When I turn this on, you remember how this was spraying out?
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This has no restriction on it.
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That's all you're going to get out of it.
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Because the flow of water is not being restricted, it's less pressure unless I restrict the flow.
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Then I get more pressure.
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You'll also notice that the gauge went down to zero.
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Why did it go down to zero?
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because there's no restriction on the flow of water.
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The gauge drops to zero.
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Three-quarter inch hose, it drops to about 15 because the garden hose is still restricting the flow.
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So that's the beginnings of the difference between pressure and volume.
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If you have a three-quarter inch line, you're not going to service your home, even though it looks like more pressure.
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An inch and a half line, you could have a three-family home.
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So what we're going to do is, you think same pressure, it should fill up a water bottle in the identical amount of time.
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Except for the difference in gallons per minute that the inch and a half line will provide, the flow.
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So this is the live part of the demonstration, a little bit of an unscientific demonstration, but I think it'll show that a lot of people,
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a lot of folks out there, if pressure is the same, the amount of water is the same.
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This is the definitive, a definitive test to just easily show you, not true.
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We'll give the 3 quarter inch line a bit of a head start
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and we'll see what it takes to fill the water bottle.
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Inch and a quarter line, I'm going to get a little wet.
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I'm going to get real wet.
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Look at the difference.
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Look at the difference.
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Over double, over double.
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Same water pressure, over double the amount of water.
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Okay so from these simple demonstrations you should clearly understand that the gallons per minute,
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the flow rate, that's what increases and improves your quality of life.
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You have enough water, enough water for all your fixtures.
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Pressure is a separate and distinct issue.
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It's not usually the problem you're going to deal with.
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this should really clearly be an example as to why that's true.
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Thank you for listening and I hope that helped you out there.
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Context & Background
In this informative demonstration, the speaker aims to clarify common misconceptions regarding water pressure and water volume, particularly for homeowners. Many individuals confuse water pressure problems with water volume issues, not realizing that the solution often lies in the capacity to deliver water, rather than the pressure alone. Through practical examples and simple explanations, the speaker highlights the significance of understanding the distinction between water pressure and volume, enhancing the audience's grasp of home water systems.
Top 5 Phrases for Daily Communication
- Water pressure problems: Often misunderstood as the primary issue.
- Volume is vastly different: Highlights the importance of water flow.
- Gallons per minute: A critical measure of water service line effectiveness.
- Restrict the flow: An important concept that relates pressure and water flow.
- Improves your quality of life: Emphasizes the practical implications of water volume.
Step-by-step Shadowing Guide
To effectively learn English with YouTube through this video and improve your speaking skills, follow this structured shadowing approach:
- Watch and Listen: Start by watching the video in its entirety without pausing. Focus on the overall message and how the speaker conveys technical concepts in simple terms.
- Segment the Video: Break the video into segments (about 30 seconds each) to make it easier to digest. Choose the segments where key phrases are used frequently.
- Repeat After the Speaker: Use the shadowspeak technique. Play a segment and immediately pause after a key phrase. Try to mimic the speaker’s tone, pronunciation, and pacing to enhance your improve English pronunciation.
- Record Yourself: After you feel comfortable shadowing, record yourself saying the phrases. Listen to your recordings and compare them with the original to identify areas for improvement.
- Practice Regularly: Make shadowing a part of your daily routine. The more you practice, the easier it will become to incorporate these phrases into your everyday conversations.
By integrating this guide into your English learning journey, you will significantly enhance your speaking skills and confidence in using technical language, making it easier to communicate about complex topics in daily life. Remember, the key to mastery lies in consistent practice and exposure, so keep shadowspeaking and improving your English communication skills!
דקדוק בסרטון הזה
המבנים שהדובר משתמש בהם הכי הרבה, עם המילים המדויקות מהסרטון:
| מבנה | בסרטון |
|---|---|
| סביל (Passive voice) be + past participle — הדגש הוא על מה שקורה, לא על מי שעושה את הפעולה | being fed · being restricted |
| משפטי זיקה (Relative clauses) who / which + clause — מידע נוסף על אדם או דבר | provide, which is · line, which is |
מהי טכניקת השאדואינג?
שאדואינג היא טכניקת למידת שפה מבוססת מדע שפותחה במקור להכשרת מתורגמנים מקצועיים ופופולרית על ידי הפוליגלוט ד"ר אלכסנדר ארגואלס. השיטה פשוטה אך עוצמתית: אתה מקשיב לאודיו באנגלית ילידית וחוזר עליו בקול רם מיד — כמו צל העוקב אחרי הדובר עם עיכוב של 1–2 שניות בלבד. בניגוד להאזנה פסיבית או תרגילי דקדוק, שאדואינג מכריח את המוח והשרירים בפה לעבד ולשחזר דפוסי דיבור אמיתיים בו זמנית. מחקרים מראים שזה משפר משמעותית את דיוק ההגייה, האינטונציה, הקצב, הדיבור המחובר, הבנת השמיעה ושטף הדיבור — מה שהופך אותו לאחת השיטות היעילות ביותר להכנה לIELTS Speaking ולתקשורת באנגלית בעולם האמיתי.