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Chemical Engineering Basics - Engineering

Q1:

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A °C

B °F

C °K

D °R

ANS:B - °F

°F stands for degrees Fahrenheit, which is a unit of temperature measurement commonly used in the United States and a few other countries. In the Fahrenheit scale, the freezing point of water is 32°F, and the boiling point of water is 212°F under standard atmospheric pressure. To convert from Celsius (°C) to Fahrenheit (°F), you can use the formula: TF​=9/5​×TC​+32 Where:

  • TF​ is the temperature in Fahrenheit,
  • TC​ is the temperature in Celsius.
To convert from Fahrenheit to Celsius, you can use the formula: TC​=95​×(TF​−32) These conversions are often useful when comparing temperatures or working with temperature-sensitive applications across different systems of measurement.