Question: Procedure 1 : Setup and Measurement of Initial Evacuation Time 1 . Connect the roughing pump to the vacuum chamber. 2 . Close the chamber

Procedure 1: Setup and Measurement of Initial Evacuation Time
1. Connect the roughing pump to the vacuum chamber.
2. Close the chamber and ensure all seals are secure.
3. Turn on the roughing pump and start the stopwatch.
4. Observe the vacuum gauge. Note the time it takes for the pressure to reach the desired level. This is your initial evacuation time.
5. Record your observations.
Procedure 2: Introduction of Turbo Vacuum Pump
1. Connect the turbo vacuum pump to the system in series with the roughing pump.
2. Repeat steps 2 to 5. Observe how the addition of the turbo pump affects the evacuation time.
3. Record your observations.

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