This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: One disadvantage of infrared thermometers is that they: A) Are generally less accurate than ... (Read 142 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
on: Jul 24, 2018
One disadvantage of infrared thermometers is that they:
 
  A) Are generally less accurate than dial-type pocket thermometers.
  B) Can only read the temperature of objects.
  C) Are only available in limited quantities due to their specialized nature.
  D) Take longer to get a reading than other types of thermometers.

Question 2

A refrigeration system was checked for leaks. The system temperature and surroundings were 75F when the system was charged with nitrogen to 100 psig. The temperature then dropped to 50F. What should the pressure be if no nitrogen has escaped?
 
  A) 9 psig B) 94 psig C) 100 psig D) 90 psig


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

B


luminitza

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Jul 24, 2018
TY


krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Infrared sensing. Infrared sensing.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Accurate lesion bypass by Pol h Accurate lesion bypass by Pol h
Food Thermometers Food Thermometers
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library