Air Barriers and Water Vapor Control

Q: Give the Indian Air Quality Standards (SPM, SO2, NOx, CO) for Residential, Industrial and Sensitive…

A: Air quality also called Ambient air quality, is the quality and condition of air in residential,…

Q: Parts of Septic tank

A: A home septic tank system consists of underground storage and treatment of wastewater in tanks made…

Q: Select appropriate air heating and cooling systems?

A: Selection of Air Heating and Cooling System:  There are six factors to select the appropriate air…

Q: What are the different ways or techniques to control the sources of pollutants within the indoor…

A: The environment quality of indoor can be protected by understanding the air quality issue of indoors…

Q: What are the common indoor air pollutants?

A: Indoor air pollution refers to chemical, biological and physical contamination of indoor air. It may…

Q: What are the two basic types of fans used in air pollution control devices?

A: The two main types of fans that are used in air pollution control devices are given as, Centrifugal…

Q: Define flame spread and explain the primary element affecting it.

A: Introduction: The flame spread attribute refers to its ability to burn on its surface. It indicates…

Q: Write a short note on formaldehyde as an indoor pollutant?

A: Formaldehyde is a naturally occurring substance with formula CH2O. It is a colorless gas with a…

Q: General requirements for helicopter air conditioning (SAE)

A: A standard to which helicopter air conditioning systems designed for the civil aircraft industry.…

Q: What are the most frequent contaminants found in indoor air?

A:

Q: Define Air-handling equipment.

A: Air-handling equipment is defined as the equipment that is used to regulate the temperature of the…

Q: Define Full for of "BREEAM"

A: BREEAM: BREEAM stands for Building Research Establishment Environmental Assessment Method. It is…

Q: What types of ventilation are used to assist with the conditioning of inside air?

A: Ventilation is a method in which outside air is introduced into a room or a building to control the…

Q: Ouestion- What are the three basic steps in an Air Quality Assessment? (120 words) Do not copy paste…

A: Air quality assessment is method of determining the contribution of pollutant at specific receptor…

Q: What are the disadvantages of increased ventilation?

A: The disadvantages of the ventilation system, is it has to be adjusted to the climatic change. The…

Q: Vapor Retarders and Air Barriers in Low-Slope Roofs

A: Vapor retarders

Q: H.W3. A 5 story building has the following fixtures in each floor. Determine the diameter of the…

A: The building has 5 floors. The building has following fixtures in each floor. WC = 10, WB = 10, Sink…

Q: What are three methods used to improve indoor air quality?

A: Indoor air quality relates to the air conditions inside and around buildings and structures,…

Q: How does a reheat warm-air distribution system differ from a variable air volume system?

A: Reheat system is the system in which air is preheated at the central unit and then distributed in…

Q: Define absolute humidity.

A: The absolute humidity is defined as the density of water vapour in wet air.

Q: What are the three main strategies to control indoor air quality?

A: Proper ventilation is the main primary strategy to control indoor air quality as it lets fresh air…

Q: How many inches does this window air conditioner extend inside the window

A: The total length of the window is 1712 in. The air conditioner fitting in the window is 1534 in. The…

Q: Explain the following questions a and b. a) where is the first hose line stretched for a cellar…

A: (a) The first hose line stretched through the front door to the cellar stairs in an older apartment…

Q: How does a single-effect water-cooled absorption chiller cool the water for the air-conditioning…

A: Solution: The material of the absorbent for the single absorption chiller is called as lithium…

Q: Domestic Water System

A: it's a broader term describing the overall manufacturing process of breads and buns. It consists of…

Q: What are the applications of Airfoil Blade centrifugal fans?

A: Solution: Airfoil fans are basically designed for the higher efficiency uses. They are basically…

Q: Building requires to maintain different temperature settings. What are most common cooling system…

A: Focal cooling frameworks are the most energy-proficient approach to cooling a few city blocks…

Q: What are the applications of Vaneaxial axial fans?

A: The vane axial flow fans are high pressure fans due to static vanes.

Q: Write a short note on Biological-based indoor air pollutants?

A: Solution: Biological contaminants air pollutants for indoor mainly includes viruses, bacteria, house…

Q: What is a reverse-air baghouse?

A: Industries having boilers have stacks that exhaust polluted air filled with particles and gases. If…

Q: Below what humidity for 95°F air will we not have to worry about sweating asthe air flows past 72°F…

A: Given:- air T=95oF=350C air flows at Dew temp Tdew=720F=22.230C To find:- humidity

Q: Transmissibility

A: Given data : For well at 20 m water is lowered (dw1)=2.11For well at 80 m water is lowered…

Q: The moisture removed from a material is 250 lb/hr and change of humidity ratio in dryer is 0.0175.…

A: To determine the fan capacity for a given dryer.   Given, Change in humidity ratio = 0.0175 Rate of…

Q: == 200 GPa, w = 16kN/m,

A: solution of above problem is below:

Q: Calculate the discharge rate of air to the atmosphere from a reservoir at 106 Pa gauge and 20°C…

A:

Q: A humidifier is designed to put 8.3 gallons of water into air flowing through anair duct every 24…

A: Given data:- The given amount of water put into the air in 24 hours, =8.3 gallons

Q: Explain the HVAC

A: HVAC  is stand for Heating, Vantilation and Air conditioning.  This system provides heating and…

Q: What is the total distance between the centers of the first and last gasburners?

A:

Q: 13. How many types of ventilation are there? А. О З В. О 4 С. О 2 D. O 5

A: Ventilation acts like the lungs of the building. It is the process of moving outdoor air into the…

Q: Based on the materials of the course, building loads for which an HVAC system must compensale…

A: 1. There are various types of loads to  be considered for HVAC system on buildings HVAC - Heat…

Q: Briefly describe the fire extinguishing process of a dry pipe sprinkler system.

A: Fire extinguishing process of a dry pipe sprinkler system:

Q: ype aircon is an example of a/n Select one: a. Air and Water System

A: A window is an opening in a building's wall that provides one or more of the following functions:…

Q: We need to obligatorily have ventilation i

A: To find : Whether the statement is true or false.

Q: List 15 applications of compressibility.

A: Solution:- Applications of compressibility- 1. Compressibility can be defined as the proportional…

Q: trickling filters.

A: