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

Author Question: What is an opaque surface? A) A surface that light cannot pass through, such as walls B) A ... (Read 29 times)

vicotolentino

  • Hero Member
  • *****
  • Posts: 552
on: Jul 24, 2018
What is an opaque surface?
 
  A) A surface that light cannot pass through, such as walls
  B) A surface that light can pass through, such as windows
  C) A surface that air cannot pass through
  D) A surface that is highly reflective

Question 2

Compared to reciprocating compressors, centrifugal compressors:
 
  A) Can operate at higher compression ratios. B) Can move a larger volume of refrigerant.
  C) Can work effectively on smaller systems. D) Can operate against higher head pressures.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


vicotolentino

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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?

Everyone has one nostril that is larger than the other.

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.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Technique of Light Palpation Technique of Light Palpation
The Sun as it appears from the surface of Earth before sunset. The Sun as it appears from the surface of Earth before sunset.
Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
Directs surface flow of air Directs surface flow of air
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ... The physician orders pemetrexed (Alimta) 500 mg/m2. The client’s body surface area is 2.14 ...
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library