Test # 106
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1500 questions in 150 tests. Each test contains 10 questions.
Idiom of the Day
feel out of place
to feel that one does not belong in a place or situation
I sometimes feel out of place when I go to an expensive restaurant.
Know World Carnival
Precautions while using Laboratory Thermometers
Turn the thermometer on and make sure the screen reads zero
If a saved reading shows, follow the manufacturer instructions to set the thermometer back to zero. Operating principles of thermometers include the thermal expansion of solids or liquids with temperature, or the change in pressure of a gas on heating or cooling. Radiationtype thermometers measure the infrared energy emitted by an object, allowing measurement of temperature without contact.