What is the steady-state concentration of radon in the house

Assignment Help Civil Engineering
Reference no: EM13315206

Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout). The radon source emits 250 pCi/s (A picoCurie [pCi] is a unit proportional to the amount of radon gas and indicates the amount of radioactivity of the gas). Air inflow and outflow can be modeled as a flow of clean air into the house of 722 m3/h and an equal air flow out. Radon can be considered to be conservative in this problem. First find the retention time of the house.

What is the steady-state concentration of radon in the house (units of pCi/L)?

Reference no: EM13315206

Questions Cloud

Write a recursive-descent parser : Use any programming language you prefer to write a recursive-descent parser that parses the language generated by the following EBNF descriptions.
Determine what tension load is needed to return the length : A 4 meter long steel plate with a rectangular cross section (10mm x 50mm) is resting on a frictionless surface under the sun. The plate temperature is measured to be at 40 degrees Celsius.
Find the heat flow from the hot to the cold temperature : A brass rod with a length of 20.0 cm is placed side by side with an aluminum rod with a length of 20.0 cm, What is the heat flow from the hot temperature to the cold temperature
Physics and chemistry found in vital signs of planet earth : Physics and Chemistry Found in Vital Signs of Planet Earth
What is the steady-state concentration of radon in the house : The total volume of the house is 650 m3 (assume that the volume is well mixed throughout). The radon source emits 250 pCi/s (A picoCurie [pCi] is a unit proportional to the amount of radon gas and indicates the amount of radioactivity of the gas)
What are the economic benefits of the flu shot : What are the economic benefits of the flu shot and in what ways has the government become involved in the distribution of flu shots?
What was the object''s speed as you released it : A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g object and release it 1.00mm from the table edge. If the coefficient of kinetic friction is 0.500, what was the object's sp..
What is the diameter of a sphere with the volume : A tank of Compressed oxygen for flame cutting is to contain 10 kg of oxygen at a preassure of 14 MPA ( the temperature is 20 degrees Celsius). How large must be the tank volume
Determine the mass of neon in a vertical cylinder : Neon gas at 50 degrees C in a vertical cylinder of diameter 150 mm has a 6 kg frictionless piston mounted. The outside pressure is 98kPa and the neon volume is 4000cm^3. Find the mass of neon.

Reviews

Write a Review

Civil Engineering Questions & Answers

  Engineering ethics and ethical issue

what is the engineering ethics course where to write about any engineering ethical case and discuss the ethical issue?

  Engineering ethics and concept and cases

what is the engineering ethics case related to civil engineering with reference and discuss all the engineering ethics issues which covered the "Engineering etics concepte and cases?

  Transportation and management

In the construction management, there is a lot of procurement route that are necessary and suitable for the construction industry.

  Supporting Investment Promotion: ERNST & YOUNG

Ernst & young is currently providing support to various sectors. In this regards it was felt that if this report is able to document good practices currently being adopted or planned in ceramic sector.

  Personalized Cancer Therapy-A step forward

Cancer is the uncontrolled growth of abnormal cells in the body resulting in tumours that can be benign or malignant (cancerous cells). A proper treatment is necessary to fight with this serious disease.

  Discuss the different environmental companies

Discuss the different agencies, institutes, centers, different environmental companies that are active in UAE.

  Develop a simple urban constructed wetland design

Develop a simple urban constructed wetland design.

  Evaluate company performance in relation to GRI standards

Evaluate company performance in relation to GRI standards and comment on Stigler's theory.

  Water system design

Determine the corresponding error in the computed discharge

  Hydraulic behaviour in open channel

Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel

  Write a paper on steel sustainability

Write a paper on steel sustainability.

  Writing case study about bridge collapse

Writing case study about bridge collapse

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd