Multiple Choice
To check the temperature leads of an electronic thermometer for low temperature, they should be stirred in a container of ____.
A) crushed ice and water with 1/2 teaspoon of salt added
B) crushed ice and water with 1/2 teaspoon of sugar added
C) crushed ice and pure water
D) cube ice and pure water
Correct Answer:

Verified
Correct Answer:
Verified
Q2: The _ is used most frequently for
Q3: Why is it necessary to check the
Q4: The accuracy of a thermometer is more
Q5: Special thermometers are used to measure temperatures
Q6: _ can detect leak rates of about
Q8: When is it important to purchase a
Q9: Heating and air-conditioning technicians must measure air
Q10: _ means the changing of the instrument's
Q11: How can you check the clamp-on ammeter?
Q12: How is the milliamp scale on a