![subject](/tpl/images/cats/User.png)
Engineering, 19.07.2019 02:30 taryn3
What is the "derived air concentration" limit for exposure to ar-41?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Engineering
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20
Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
Answers: 1
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
Answers: 3
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:10
Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m
Answers: 1
You know the right answer?
What is the "derived air concentration" limit for exposure to ar-41?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/biologiya.png)
Biology, 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2021 05:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.03.2021 05:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:00
![question](/tpl/images/cats/es.png)
Spanish, 11.03.2021 05:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 11.03.2021 05:00