In regards to HVAC systems, what are some ways of improving indoor living comfort through the use of green technology?

How to solve theoretical efficiency of the cooling tower regarding air and water entering the system? Please provide examples.   Subject : Heat transfer

True or False: All heat pumps are practical anywhere inthe United States. Explain your answer.

What are the steps required to prevent noise pollution in industrial places?

1. a) Write a note on evolution of refrigerants. b) Discuss the modern day refrigerants that are being used by various refrigerator and air-conditioner manufacturers.

What is different in bitween Ozone and Smog.

Identify the number of needed tons of refrigeration effect (TR) should the exhibition center require in order for them to accommodate 4,000 attendees at an event. Take into consideration that the average human body generates a number of 400 BTUs in this question. Select the best answer. a. four TR b. eight TR c. six TR d. the correct answer is not stated in the choices.   Identify the number of enthalpies that should be removed and can turn ice into a 450-gram of water that is sitting at a room temperature of 85 degrees Fahrenheit? ANS: _____ BTU

Discuss the impact of the following in an oil-bath type air cleaner i. low oil level in the reservoir; ii. high oil level in the reservoir; iii. use of very thin oil; and iv. use of very heavy oil

Make decisions concerning needs and types of ventilation for acceptable indoor air quality?

The standard that a refrigerant must meet after it has been reclaimed and before it can be sold to another owner is A. ANSI 7000. B. ANSI 700. C. EPA 7000. D. AHRI 700.