ở phía hút của máy bơm, đồng hồ áp suất bourdon ghi độ chân không 40kPa. Áp suất tuyệt đối tương ứng là bao nhiêu nếu áp suất khí quyển địa phương là 100kPa(abs)

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Answer 1

Answer:

Nhiều kỹ thuật đã được phát triển cho các phép đo áp suất và chân không. Dụng cụ được sử dụng để đo áp suất được gọi là đồng hồ đo áp suất hoặc đồng hồ đo chân không hoặc áp kế.

Một "'áp kế"' cũng có thể được đề cập đến một dụng cụ đo áp suất, thường được giới hạn để đo áp suất gần đến khí quyển. Thuật ngữ "áp kế" thường được sử dụng để chỉ cụ thể để các dụng cụ cột chất lỏng thủy tĩnh.

Đo chân không được sử dụng để đo lường áp suất trong chân không mà được chia thành hai tiểu thể loại, chân không cao và thấp (và đôi khi chân không cực cao). Phạm vi áp suất áp dụng của một số kỹ thuật được dùng để đo chân không có sự chồng chéo lên nhau. Do đó, bằng cách kết hợp nhiều loại khác nhau của đánh giá, nó có thể để đo áp suất hệ thống liên tục từ 10 mbar xuống đến 10 -11 mbar.


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Answer:

oa

Explanation:

Answer:

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i got it correct on the test

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When buying a car, there are some things that you need to consider but can be deemed confusing. The V6 versus V8 engine is one of them, and knowing the differences and advantages can be helpful when you are trying to make a purchasing decision.   

 

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Answer:

sorry I don't speak your language sorry

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what’s the context here?

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Answer:

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Explanation:

I hope this helped!

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Answer:

Read the passage. Then, answer the questions about the metaphor in boldface in the text.

Lately, I've been so overwhelmed with school and sports. There was a time when I enjoyed going to classes and going to practice every afternoon. Now, everything is piling up and wearing me down. Thankfully, I get to see you every day. You are truly the sunshine of my life. Thank you for making me laugh when I'm feeling down.

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Explanation:

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