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Maintenance: Lubrication Concepts Frequently Asked Questions, Exams of Mechanical Engineering

Northwest-Shoals Community CollegeMechanical Engineering

A comprehensive overview of frequently asked questions related to lubrication concepts in maintenance. It covers a wide range of topics, including the importance of proper lubrication, the different types of lubricants, the role of viscosity, the impact of contamination, and the various maintenance strategies such as preventive, predictive, and reactive maintenance. The document also addresses common issues and troubleshooting techniques related to lubrication systems. The detailed explanations and graded answers make this document a valuable resource for maintenance professionals, students, and anyone interested in understanding the fundamentals of lubrication in industrial settings. The document's focus on practical knowledge and problem-solving skills makes it a useful tool for both educational and professional development purposes.

Typology: Exams

2024/2025

Available from 10/02/2024

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MSSC - MAINTENANCE: LUBRICATION
CONCEPTS FREQUENTLY ASKED
QUESTIONS WITH A+ GRADED
ANSWERS
1. A lube oil sample from the gearbox should be taken _____. - ✔✔as
close to the gears as possible.
2. A viscometer is a device used to measure the viscosity of the oil and
is generally ______ accurate. - ✔✔95℅ to 99 ℅
3. An indication of bearing problems could be ______. - ✔✔suspended
of metals found a during an oil analysis
4. Avstandard part of preventative maintenance program is ______. -
✔✔regular lubrication
5. Bearing seals it can be damaged by ______. - ✔✔Using too much
lubrication
6. Daily preventative maintenance procedures, such as machine
lubrication, are _____.
-planned maintenance activities
pf3
pf4
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MSSC - MAINTENANCE: LUBRICATION

CONCEPTS FREQUENTLY ASKED

QUESTIONS WITH A+ GRADED

ANSWERS

  1. A lube oil sample from the gearbox should be taken _____. - ✔✔as close to the gears as possible.
  2. A viscometer is a device used to measure the viscosity of the oil and is generally ______ accurate. - ✔✔ 95 ℅ to 99 ℅
  3. An indication of bearing problems could be ______. - ✔✔suspended of metals found a during an oil analysis
  4. Avstandard part of preventative maintenance program is ______. - ✔✔regular lubrication
  5. Bearing seals it can be damaged by ______. - ✔✔Using too much lubrication
  6. Daily preventative maintenance procedures, such as machine lubrication, are _____.
    • planned maintenance activities
  • unscheduled events and the workers should put in overtime to prevent drop in production rates
  • not really necessary and can be skipped several days in a row
    • require a maintenance team perform - ✔✔-planned maintenance activities
  2. Detergent additives are used in oils _____. - ✔✔To break up and wash away deposits
  3. Fluid samples are normally taken from the middle of the reservoir while the machine is still in operation when analyzing a _____. - ✔✔Gear box
  4. Grease is made by adding a thickener such as _____ to a liquid lubricant - ✔✔metallic soap
  5. High temperature in a hydraulic system can cause what symptoms? - ✔✔Burned or pungent order
  6. In the United States, oil viscosity is measured in blank. - ✔✔Saybolt Universal Seconds
  7. It is important that the only equipment checks _______. - ✔✔do not make the operators feel like they are being checked on
  1. Oil viscosity is part of the information needed for ____. - ✔✔an oil analysis program
  2. Predictive maintenance is a type of maintenance program that does what function? - ✔✔Identifies machine part or component failures before a major breakdown.
  3. Product buildup it is most common vibration problem on ____. - ✔✔Air fans
  4. Reactive maintenance it is considered a/an _____ activity. - ✔✔unplanned maintenance
  5. Sight glasses are accurate on a gearbox - ✔✔when the gearbox is not running
  6. The actions of old grease coming out is a good sign of _____. - ✔✔Proper greasing
  7. The best data collection procedure to use for oil analysis is too ______. - ✔✔Collect random samples and immediately send them out for analysis.
  1. The blank of the machines operation is a means by which to predict component failure - ✔✔Vibration signature
  2. The density of a liquid is decreased slightly when ________. - ✔✔temperature increases
  3. The manual method of lubrication is used ______. - ✔✔In slow speed applications where equipment can be periodically shut down
  4. The most harmful act a maintenance person can do to a _____ is get dirt on it. - ✔✔bearing
  5. The most often used grease is _____ because it provides excellent lubrication under moderate loads and also at high temperatures and speed. - ✔✔lithium
  6. The MSDS includes information on which of the following _____. Lubricant safety and handling fire prevention Forklift operation machine guards - ✔✔lubricant safety and handling
  7. The oils are derived from blank - ✔✔refine crude oil
  1. When lubricating a pillow block bearing, the user attaches the coupler on to the grease fittings and slowly pumps the handle of the grease gun _______. - ✔✔Until the old grease it begins to fall out of the bearing
  2. While troubleshooting a hydraulic system, the technician finds that the oil in the reservoir has a milky color. What does is tell the technician? - ✔✔The oil has water in it
  3. White grace or FGL-1 is used for one application. - ✔✔food processing
  4. Zero defects and breakdowns is a goal of ______. - ✔✔TPM