Why is it necessary for the double top plate of the exterior wall that is assembled first to be held short at each end by the thickness of the adjoining wall?
Select one:
a. to eliminate the possibility of error
b. because the double top plate of the adjoining wall ties the two walls together
c. to save material
d. to save time when assembling the walls

10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.