« previous next »

Author Question: PTAC units are A) Packaged temporary air conditioning units B) Partial temporary air conditioning ... (Read 116 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
on: Jul 26, 2018
PTAC units are
 
  A) Packaged temporary air conditioning units B) Partial temporary air conditioning units
  C) Partial trajectory air conditioning units D) Packaged terminal air conditioning units

Question 2

Chilled water systems use a primary refrigerant to remove heat from a secondary refrigerant in a chiller unit. What is the secondary refrigerant in such systems?
 
  A) Ammonia B) R22 C) R134A D) Water


SamMuagrove

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Your heart beats over 36 million times a year.

Image of pitcher plant mosquito Wyeomyia smithii, showing segmentation and partial anatomy of circul Image of pitcher plant mosquito Wyeomyia smithii, showing segmentation and partial anatomy of circul
Pavlov’s Salivary Conditioning Experiment (1 of 2) Pavlov’s Salivary Conditioning Experiment (1 of 2)
Find the final amount if the initial amount is 400 units. Find the final amount if the initial amount is 400 units.
Classical Conditioning and Food Classical Conditioning and Food
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
A simplified overview of the genes and regulatory units involved in the control of lactose metabolis A simplified overview of the genes and regulatory units involved in the control of lactose metabolis
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library