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

Author Question: What type of antifreeze solutions may be used in ground loops? A) Any antifreeze that will extend ... (Read 171 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jul 24, 2018
What type of antifreeze solutions may be used in ground loops?
 
  A) Any antifreeze that will extend the freezing point down to -35F
  B) Preferably ethylene glycol
  C) A brightly colored antifreeze solution should be used to make it visible in ground water.
  D) Low toxicity

Question 2

The first check when answering a no-heat oil furnace call should be:
 
  A) Checking the fan switch setting.
  B) Checking the output of the ignition transformer.
  C) Checking the cad cell circuit.
  D) Checking to see if there is oil in the tank and if the oil is clean.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


justinmsk

  • Member
  • Posts: 524
Reply 2 on: Jul 24, 2018
Wow, this really help

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Przewalski's Horse, the only remaining type of "wild" horse that has never been domes Przewalski's Horse, the only remaining type of "wild" horse that has never been domes
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Barrel-vaulted gallery, ground floor of the Colosseum, Rome. Barrel-vaulted gallery, ground floor of the Colosseum, Rome.
Transferring Sterile Solutions onto a Sterile Field Transferring Sterile Solutions onto a Sterile Field
The DNA of S-type bacteria can transform R-type bacteria into the same S type. The DNA of S-type bacteria can transform R-type bacteria into the same S type.
The components of the wild-type lac operon The components of the wild-type lac operon
Video: Conjunctivitis

For a complete list of videos, visit our video library