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Question

Difficulty: EasyTechnical Specifications, Quantities, and Measurements

Listen to the following excerpt from a laboratory audio guide:

"Attention team: Before starting the thermal testing protocol, calibrate the digital thermometer. Next, fill the glass beaker with exactly 250 milliliters of distilled water, ensuring the liquid temperature does not exceed 40 degrees Celsius. Finally, set the heating element to 75 watts for a duration of 10 minutes."

According to the recorded instructions, what exact volume of distilled water must be measured into the beaker?

  1. A
    40 milliliters
  2. 250 millilitersAnswer
  3. C
    75 milliliters
  4. D
    10 milliliters

Answer

250 milliliters of distilled water
The spoken instructions explicitly state that the beaker must be filled with exactly 250 milliliters of distilled water, making this the accurate technical measurement.

Step-by-Step Solution

1
Identify the specific target measurement requested by the question prompt
The target quantity is the volume of distilled water in milliliters
The question asks specifically for liquid volume rather than temperature, power, or time
2
Extract the numerical value and unit paired with distilled water in the audio transcript
The speaker states 'fill the glass beaker with exactly 250 milliliters of distilled water'
Matching the substance to its exact numerical specification ensures accurate measurement identification

Key Concept

Extracting explicit volume specifications and technical measurements from spoken instructional procedures
Estimated Time:45s
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Topics

Technical Specifications, Quantities, and Measurements

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