How many elements are in the lube and scavenging pump?

The correct answer is that there are six elements in the lube and scavenging pump. This refers to the components necessary for the operation of these pumps within a gas turbine system. The lube pump typically consists of elements including the pump housing, the gears or rotors, seals, bearings, an inlet and an outlet. These components work together to ensure the proper circulation of lubricating oil throughout the turbine, essential for reducing friction, dissipating heat, and preventing wear on engine parts.

Understanding the breakdown of these elements helps in grasping how the pump functions as part of the larger gas turbine system. Each of the six elements plays a critical role in maintaining pump efficiency and reliability, which are vital for the overall performance of the gas turbine.