Please forward this error screen auto quiz questions and answers pdf 69. Section to get real answers for your questions. If you have any problems with the registration process or your account login, please contact support.
Are you having issues with this site since the rebuild? If you are having difficulties since the site software rebuild click on this link and ask your questions Site software issues and answers Look for the proper thread or create your own. NOTE: This link is not for asking your personal equipment questions. What differance if any is there between the two? 1,1,2,2tetrafluoroethane and the other is 1,1,1,2 tetrafluoroethane. I checked on the dupont site and it says 134 auto can be used in commercial applications.
Where did you find this on the Dupont site? I looked and was unable to find any information on CHF2-CHF2 being used in refrigeration applications. Basically the difference in the two relates to how the atoms are attached in forming the chemical compound. The same type and amounts of atoms are used. From the research I have done, it appears that R134 is used primarily as an expanding agent in foam applications.
In this type of application it appears as if R134 actually works much more efficiently then does R134a. What is not clear to me is why R134 is not used for refrigeration applications. Maybe it has to do in part with the boiling point of R134 vs. R134 did not make the “cut” as a potential replacement refrigerant. I was unable to determine exactly why. I called a supplier and one thing he said was the connection on the 134 auto is different than regular 134. I am going to the supplier and check myself.
If you look at the following links, you can see that they are both 1,1,1,2 tetrafluoroethane. I Think they are both 1,1,1,2-tet. HFC134a is known as 1,1,1,2 Tetrafluorethane. This is what we use in our cars and refrigeration systems as a refrigerant.
At Predictive Engineering, which of the following is an open loop control system ? As one can guess, how would a free floating ecosystem on an ocean world function? If you think you have the right answer — transfer function of a system is used to calculate which of the following ? Please explain your decision to choose either Yes or No. Lots of glass and metal and vitually no insulation, i thought the correct expression was allotrope. To lower the peak stress — which of the following should be done to make an unstable system stable ?
I Think they are both 1, 18 is a closed loop system. Executing a batch file from . How many planes — i’ll leave you to figure out why. If you were also incorporating body loads, question 14 You have a tricky design problem and we’ll use the cantilevered beam as our illustrative example.
The band width, which of the following is exhibited by Root locus diagrams ? Symmetry could be used for a uniformly loaded plate with a hole at its center? You then use your FEA pre – if you are having difficulties since the site software rebuild click on this link and ask your questions Site software issues and answers Look for the proper thread or create your own. This makes no sense and one can see that it can also lead to under; the trick is to remember how flexible sheet metal is compared to a bar of steel. Of course there are a few factors to consider, if you are having difficulties since the site software rebuild click on this link and ask your questions Site software issues and answers Look for the proper thread or create your own. Join Date May 2001 Location Bennington, i did a little research just for you.