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Exam (elaborations)

NSTM 262 Lubricant Oil & Grease

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NSTM 262 Lubricant Oil & Grease What are the 4 types of lubricants? - Lubricating oils Hydraulic fluids Grease Solid lubricants What does 2190TEP stand for? - 2190 turbine, extreme pressure. What is 2190 used for? - MRGs, LPAC, HPAC, Line shaft, CRP, GTGs. What is 2190 comprised of...

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  • May 17, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
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  • NSTM 262 Lubricant Oil & Grease
  • NSTM 262 Lubricant Oil & Grease
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NSTM 262 Lubricant Oil & Grease What are the 4 types of lubricants? - ✔✔ Lubricating oils Hydraulic fluids Grease Solid lubricants What does 2190TEP stand for? - ✔✔2190 turbine, extreme pres sure. What is 2190 used for? - ✔✔MRGs, LPAC, HPAC, Line shaft, CRP, GTGs. What is 2190 comprised of? - ✔✔High viscosity, anti -wear, antioxidant, antifoaming, and anticorrosion additive. The Society of Automotive Engineers has established how many grades of viscosity? How many are winter grade? - ✔✔11 grades of viscosity 6 winter grades 4 types of synthetic 23699 - ✔✔Standard (STD) Corrosion Inhibiting (CI) High Thermal Stability (HTS) Enhanced Ester (EE) What happens when Corrosion Inhibiting class mix es with other class? - ✔✔Corrosion Inhibiting properties will be lost. Who's approval is required to use non -CI class oil? - ✔✔NAVSEA Gas Turbine Technical Warrant Holder What is the requirement for oil to keep gears protected against failure? - ✔✔Viscosity of oil should be high enough to maintain a consistent lubricating film. Gear lubricant viscosity rate and engine oil viscosity rate are different. True or False? - ✔✔True Why do we use 2190TEP for our EP gear oil? - ✔✔2190 contain a fatty oil additive that enhances their surface wetting ability under high moisture. What is the function of hydraulic fluids? - ✔✔To instantaneously transmit power from one area to another. What is grease? - ✔✔A semi -fluid product formed by adding a thickening agent in a liquid lubricant.

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