BECC MODULE 7 EXAM - QUESTIONS AND ANSWERS

BECC MODULE 7 EXAM - QUESTIONS AND ANSWERS What’s the pressure range for HP? 1001 and above What component brings pressure from high to low? air reducers What are the two types of air reducers? 3000/2000 psi and 3000/80 What is the purpose of the flexible hose on the hose compressor? to absorb vibration What are the 5 sections of tag out? user guide, index, active, instrument log, cleared What are the 2 types of washers? DX225N and DW600B What equipment do you lube with MS 2190? LP air, HPAC, MRG, line shaft bearing What lube oil is used to lube gas turbine? 23699 Where are the priority valves on the LP system located, and what is it used for between the non vital and vital header in the LP system At what psi will they shut? 85 psi How many stages does the LP and HP reciprocating compressor have 2 and 4-6 What are the three settings for LP system? lead, lag, emergency What is brime? over concentration of salt and sea water What is the pump on the steering gear and describe it variable displacement, rotarty, centrifugal, and bi-directional What is the purpose of a dehydrator? removes water vapor from compressed air What type of fluid flow is a random or erratic pattern of flow of liquid? Turbulent (true/false) a type II dehydrator removes vaporous water, oil, and solid contaminants True (true/false) when working on high pressure air systems the system should always be tagged out and depressurized prior to commencing work True Who determines if the lube oil sample is unsatisfactory or machinery sump oil is unsuitable for renovation Engineering Officer What is used to hold the purifier bowl assembly stationary while performing maintenance? bowl locking screws In the Delaval purifier, what is used to hold the bowl stationary for disassembly? bowl locking screws On a delaval lube oil purifier, what does the regulating tube direct into the rotating bowl? dirty oil What is the purpose of demister pads? to remove entrained water droplets from the steam in the evaporator shell What hydraulic system component converts fluid power energy to mechanical motion and force? Actuators (true/false) the first pump placed online during startup will become the lead pump and in control of steering operations while the remaining pump will become the standby unit True (true/false) sequence valves are pressure actuated valves that direct the fluid flow in a predetermined sequence, ensuring oil pressure is maintained in a specific part of a system True What maintains proper pressure in a hydraulic system? unloading valve