Many U-joint applications are available both greasable and nongreasable, and which is stronger has long been debated. Proponents of nongreasable U-joints state that drilling a hole in the cross of the U-joint and tapping it for a grease zerk weakens the body of the joint.any U-joint applications are available both greasable and nongreasable, and which is stronger has long been debated. Proponents of nongreasable U-joints state that drilling a hole in the cross of the U-joint and tapping it for a grease zerk weakens the body of the joint.
Answer: BAK files are Backup Files primarily associated with Unknown Apple II File (found on Golden Orchard Apple II CD Rom). BAK files are also associated with Backup and FileViewPro. Additional types of files may also be using the BAK file extension.
Budget at Completion. 1  Budget at Completion (BAC) is the total budget allocated to the project. 2  BAC is generally plotted over time. For example, periods of reporting (Monthly, Weekly, etc.) 3  BAC is used to compute the Estimate at Completion (EAC), explained in the next section.  BAC is also used to compute the TCPI and TSPI.