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 140 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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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
The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths. The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths.
The tolerance of male lions towards the cubs varies. They are, however, generally more likely to sha The tolerance of male lions towards the cubs varies. They are, however, generally more likely to sha
Disposable thermometers with chemical dots. (A) Axillary thermometer (marked “AX”); (B) rectal ... Disposable thermometers with chemical dots. (A) Axillary thermometer (marked “AX”); (B) rectal ...
In-line blending is the most accurate method for blending ethanol with gasoline because computers ... In-line blending is the most accurate method for blending ethanol with gasoline because computers ...
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library