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A Cathode-ray tube is a vacuum that is used to get the air out. Cathode rays (electrons) cannot penetrate through any significant amount of air.

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Q: Why is the cathode-ray tube in figure 4 connected to a vacuum pump?
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What has no matter?

A true vacuum, which is difficult to create, is a space where there is nothing. AN ordinary vacuum flask has "almost" a vacuum between its mirrored glass surfaces, but no matter how long the vacuum pump is trying to remove air from inside the glass walls there will always be some left. By Willyrhus


who are the best Liquid Ring Vacuum Pump Manufacturers in India?

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What does no load speed on a electric motor mean?

Generally a motor drives some equipment, it could be a fan, or a pump, connected to motor's shaft. The speed of the motor when no equipment is connected to its shaft is known as no load speed.


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Related questions

How do you vacuum Chevy Blazer air conditioning?

Pulling a vacuum on an ac system requires a vacuum pump or venturi pump with the correct type connector. The pump is connected to the low side ac port, and the vacuum could take an hour to pull depending on the pump size.


Where is the vacuum pump on 91 s-10?

The engine is the vacuum pump. All the vacuum operated accessories are operated by the vacuum supplied from the engine.


What controls the vacuum lines in a 93 Honda accord?

The vacuum lines, in a 1993 Honda accord, are controlled by a vacuum pump. The vacuum pump regulates the proper pressure in the vacuum lines.


Where does 1999 dodge ram 2500 get its vacuum?

A gasoline engine makes it's own vacuum. The diesel engine has a vacuum pump next to the power steering pump.A gasoline engine makes it's own vacuum. The diesel engine has a vacuum pump next to the power steering pump.


Where is the vacuum pump in a 2004 E350 Ford van?

It is on the drivers side of the motor connected to the fan belt. You have to lift the motor approx 2 inches to remove it


Where is the leak detection pump pressure switch located on Chrysler Sebring?

The leak detection pump pressure switch is located next to the service vacuum supply. It will be connected to the LDP filter and below the EVAP canister.


Where is intake vacuum pump located on a 1995 Chevy blazer S-10?

Vacuum pump? Is this a diesel?


What is the diesel vehicle have a vacuum pump?

Because a diesel engine does not create vacuum and the vacuum pump is necessary to operate things like the vacuum assist brakes and cruise control.


What does the vacuum pump do in an engine?

You must have a diesel. The vacuum pump is what gives you POWER BRAKES and on the newer engines it also makes the power steering work. Only a gas engine makes vacuum. A diesel engine does not make vacuum, so they install a vacuum pump.


Ether at room temperature is placed in a flask connected by a rubber tube to a vacuum pump the pump is turned on and the ether begins to boil why?

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What is an electronic vacuum pump?

An electronic vacuum pump is a device designed to create a vacuum or low-pressure environment using electronic components and mechanisms. These pumps are often used in applications such as automotive systems (e.g., brake boosters), air conditioning, and various industrial processes. Electronic vacuum pumps can operate independently or be integrated into larger systems, providing controlled suction and pressure conditions for specific applications. They play a vital role in ensuring the proper functioning of systems that require a vacuum, such as in automotive brake systems where they assist in enhancing braking efficiency.


What does the rubber sheet on bell jar do when pulled down?

When the rubber sheet on a bell jar is pulled down, it creates a vacuum seal between the bell jar and the surface it is placed on. This vacuum seal allows for the removal of air from within the bell jar when connected to a vacuum pump, creating a vacuum environment inside the jar.