Măsurarea Temperaturii

What is absolute zero?

• The temperature at which all molecular motion stops 0K or -273.15°C

• The boiling point of water

• The melting point of ice

On what principle do liquid thermometers operate?

• Expansion of liquids

• Contraction of solids

• Gas pressure

What is a metrological thermometer used for?

• To check the temperature of food

• To verify the accuracy of other thermometers

• To measure humidity

What is the threshold temperature between thermometers and pyrometers?

• 0°C

• 100°C

• 750°C

What is the formula to convert Celsius to Fahrenheit?

• F=C+32

• F=C×1.8+32

• F=C−32

How do you convert Fahrenheit to Celsius?

• C=(F−32)÷1.8

• C=F×1.8+32

• C=F+32

What is the conversion from Celsius to Kelvin?

• K=C+273.15

• K=C−273.15

• K=C×273.15

How does a thermohygrometer work?

• Measures only temperature

• Measures temperature and humidity

• Measures only pressure

What are the characteristics of a laser thermometer?

• Uses liquid to measure temperature

• Measures temperature from a distance

• Requires contact with the object to measure temperature

What is a key advantage of laser thermometers?

• They are very large

• They can be used to measure very high temperatures

• They are less accurate than traditional thermometers