« previous next »

Author Question: Which type of compressor chiller uses a pair of rotors to compress the refrigerant gas? A) ... (Read 55 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 24, 2018
Which type of compressor chiller uses a pair of rotors to compress the refrigerant gas?
 
  A) Reciprocating compressor chillers B) Centrifugal compressor chillers
  C) Scroll compressor chillers D) Screw compressor chillers

Question 2

The most common type of demand defrost control:
 
  A) Senses the suction pressure.
  B) Measures the temperature difference between the coil temperature and the ambient temperature.
  C) Senses the compressor current draw.
  D) Operates strictly on time.


reelove4eva

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

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
One type of safety needle withdraws into a protective sheath when the injection is complete. One type of safety needle withdraws into a protective sheath when the injection is complete.
A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
Noid lights are usually purchased as an assortment so that one is available for any type or size ... Noid lights are usually purchased as an assortment so that one is available for any type or size ...
Andean-Type Mountain Building Andean-Type Mountain Building
Cordilleran-Type Mountain Building Cordilleran-Type Mountain Building
Video: Lower Limb Arteries Animation

For a complete list of videos, visit our video library