Lubricating oils - Study guides, Class notes & Summaries
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ABSA 4B EXAM Questions with Correct Answers
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ABSA 4B EXAM Questions with 
Correct Answers 
Internal ____ is not required for dynamic type compressors. 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring - answerb 
Low pressure or high pressure are the two primary classifications of ____. 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers - answere 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. 
acidic 
neutral 
softer 
basic 
alkaline - ans...
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Lubrication Systems (Jepp/Prep/Crane) Questions and Answers Already Passed
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Lubrication Systems (Jepp/Prep/Crane) 
Questions and Answers Already Passed 
 
If a reciprocating engine is consuming an excessive amount of oil without any visible leaks, what 
is the likely issue? 
Worn or damaged piston rings. 
 
What are the roles of lubricating oil in a reciprocating engine? 
It minimizes friction between moving components and helps dissipate heat. 
 
What are two key properties of engine oil used in aircraft? 
The oil needs to be light enough for easy circulation but suffi...
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ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS
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ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS 
| WITH ALL CORRECT SOLUTIONS 
Internal ____ is not required for dynamic type compressors. 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring -Answer-b 
Low pressure or high pressure are the two primary classifications of ____. 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers -Answer-e 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. 
acidic 
neutral 
soft...
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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? - 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? - ...
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ABSA 4B EXAM Questions with Correct Answers
- Exam (elaborations) • 401 pages • 2024
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ABSA 4B EXAM Questions with 
Correct Answers 
Internal ____ is not required for dynamic type compressors. 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring - answerb 
Low pressure or high pressure are the two primary classifications of ____. 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers - answere 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. 
acidic 
neutral 
softer 
basic 
alkaline - ans...
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EOOW (A+ Guaranteed)
- Exam (elaborations) • 21 pages • 2023
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MAJOR FUEL OIL LEAK (MMFOL) correct answers Respond IAW MFOL 
- No controlling actions 
 
Immediate Actions: 
- Report casualty, man space, deflect to bilge, cover with AFFF (at least one minute) 
- Attempt to isolate oil leak. 
- If required, secure affected fuel oil service tank suction and return valves. 
- If required, EOOW will order AMR/MMR to open emergency seawater cooling supply cutout valve for affected engine 
- Personnel should carry EEBD 
 
List all applicable NSTMs (approximately 1...
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ABSA 4B EXAM QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 485 pages • 2024
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ABSA 4B EXAM QUESTIONS AND 
ANSWERS 100% PASS 
Internal ____ is not required for dynamic type compressors. 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring - Answer- b 
Low pressure or high pressure are the two primary classifications of ____. 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers - Answer- e 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of 
zero. 
acidic 
neutral 
softer 
basic 
alkaline...
-
ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS.
- Exam (elaborations) • 277 pages • 2024
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ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS. 
 
Internal ____ is not required for dynamic type compressors. 
 
seals 
lubrication 
pressure monitoring 
corrosion monitoring 
temperature monitoring 
b 
Low pressure or high pressure are the two primary classifications of ____. 
 
centrifugal pumps 
sump pumps 
boilers 
draft fans 
pressure controllers 
e 
The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. 
 
acidic 
neutral 
softer 
ba...
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Compressors and Blowers Test Questions with All Correct Answers
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Compressors and Blowers Test Questions with All Correct Answers 
types of reciprocating compressors - Answer-single-stage- uses a single cylinder and compresses once 
 
mult-istage - compresses more than once depending on the number of cylinders 
 
Filters - Answer-placed before the inlet pipe to trap dust and other foreign materials from entering compressor, use cloth or metal material 
 
lubricating systems - Answer-lube oil system- low pressure, oil resevoir, pump, filters, coolers 
 
forced...
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MSSC Maintenance Awareness - Questions and Answers
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MSSC Maintenance Awareness - Questions and Answers A viscosimeter is a device used for measuring the viscosity of an oil and is generally __________ accurate. 95%-99% A lube oil sample from a gearbox should be taken __________. as close to the gears as possible An indication of bearing problems could be __________. suspended metal found during an oil analysis __________ lubricants are ideal for use in extreme temperatures that would cause oils and greases to freeze or burn out. Solid Product b...
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