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

Author Question: Compared to blue flames, yellow flames: A) Burn at a lower temperature. B) Burn more cleanly. C) ... (Read 65 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
Compared to blue flames, yellow flames:
 
  A) Burn at a lower temperature. B) Burn more cleanly.
  C) Produce about the same amount of heat. D) Burn at a higher temperature.

Question 2

How many wires are needed for a communicating control system to control a three-stage heat, two-stage cool heat pump?
 
  A) Nine wiresone for each stage plus reversing valve and power
  B) Five wiresone for each stage heat and cool
  C) Four wirestwo for power and two for communication
  D) No wires are required because communicating systems are wireless.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


debasdf

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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.

Blue Duck at Staglands, Akatarawa Valley Blue Duck at Staglands, Akatarawa Valley
Lucy’s Body Weight Proportions Compared to a Bonobo Lucy’s Body Weight Proportions Compared to a Bonobo
Maslow’s hierarchy of needs proposes that lower needs dominate the individual’s motivations and ... Maslow’s hierarchy of needs proposes that lower needs dominate the individual’s motivations and ...
Using an ice bath to test the fuel temperature sensor. Using an ice bath to test the fuel temperature sensor.
Setup used to check the opening temperature of a thermostat. Setup used to check the opening temperature of a thermostat.
Air-Temperature Data Air-Temperature Data
Video: Lipid catabolism ( ketogenesis and oxidation of glycerol) and Lipid anabolism (lipogenesis)

For a complete list of videos, visit our video library