New PMP Question & Answers with explanation

When one factor used to determine the effort required to produce a unit of work is increased while all other factors remain fixed, a point will eventually be reached at which additions of that one factor start to yield progressively decreased productivity. This is known as:
Select one
Communications management plans should include all of the following except:
Select one
You work as an engineer for a large engineering firm. During this past week, you have corresponded with your department supervisor about the horizontal stabilizers required for the wings on a new aircraft you are designing. Which communication dimension does this represent?
Select one
As project manager, you find you are constantly dealing with conflict among your team members. Everyone argues over sharing available project resources, so you plan to use a conflict resolution method to alleviate the tension among team members. What conflict resolution method is not recognized by the Project Management Institute?
Select one
Which of the following is NOT considered a method in the Manage Communications process?
Select one