Machinery Lubrication Technician Pre-Test
Questions and Correct Answers
Question 1
The principles of hydraulics are based on what law?
a. Phil's
b. Pascal's
c. Newton's
d. Charles's
Correct Answer
b. Pascal's
Question 2
Shielded bearings cannot be greased?
a. True
b. False
Correct Answer
b. False
Question 3
Reducing lubricant usage typically:
a. Reduces total lubricant costs, reduces labor for housekeeping, and reduces or
eliminates some safety issues.
b. Reduces storage and handling costs, reduces waste oil generation and disposal
costs
c. Reduces labor for housekeeping and minimizes some safety concerns d. d. d.
BothB&C
e. All of the above
Correct Answer
e. All of the above.
Page 1 of 26
,Question 4
Name two factors that influence how much water an oil can absorb.
Correct Answer
Type of oil, age of oil, temperature.
Question 5
What information should be placed on all lubricant containers received in the plant?
Correct Answer
Date-stamped with the following information: date of blending, date of receipt by
plant, and date opened and put into service
Question 6
It does not matter if a constant level oiler is mounted on the left or right side of the
pump as long as it is straight?
a. True
b. False
Correct Answer
b. False
Question 7
Which bearing can carry the heaviest loads?
a. Ball
b. Cylindrical roller
c. Journal
d. Tapered roller
Correct Answer
c. Journal
Question 8
Where should the oil level be in a splash lubricating gear box?
Correct Answer
Touching gear tooth — half way up bottom gear tooth
Page 2 of 26
, Question 9
What type of oil contains an EP additive?
a. Gear
b. Hydraulic
c. Engine
d. Compressor
Correct Answer
a. Gear
Question 10
What is the lubrication regime when the metal surfaces are touching?
a. Hydrostatic
b. Hydrodynamic
c. Full film
d. Boundary
Correct Answer
d. Boundary
Question 11
Which list below most closely represents Best Practices in a Lubrication Program?
a. Ensure all equipment complies with ISO 14-12 standards, continually adjust goals
and targets based on results,
b. Consolidate lubricants without compromising performance, train all plant
personnel as lube techs, and set a goal to increase reactive maintenance.
c. Consolidate lubricants without compromising performance, Set equipment
cleanliness as goal to proactive maintenance, Establish an effective oil analysis
program for proactive and predictive maintenance, Practice continuous improvement
with lubrication program
d. Consolidate lubricants to match storage room capabilities, Utilize competent
personnel for lubrication and provide adequate training, Establish replacement
intervals according to outage, Establish procedures that will never have to be changed
Correct Answer
c. Consolidate lubricants without compromising performance, Set equipment
cleanliness as goal to proactive maintenance, Establish an effective oil analysis
program for proactive and predictive maintenance, Practice continuous
improvement with lubrication program
Page 3 of 26
Questions and Correct Answers
Question 1
The principles of hydraulics are based on what law?
a. Phil's
b. Pascal's
c. Newton's
d. Charles's
Correct Answer
b. Pascal's
Question 2
Shielded bearings cannot be greased?
a. True
b. False
Correct Answer
b. False
Question 3
Reducing lubricant usage typically:
a. Reduces total lubricant costs, reduces labor for housekeeping, and reduces or
eliminates some safety issues.
b. Reduces storage and handling costs, reduces waste oil generation and disposal
costs
c. Reduces labor for housekeeping and minimizes some safety concerns d. d. d.
BothB&C
e. All of the above
Correct Answer
e. All of the above.
Page 1 of 26
,Question 4
Name two factors that influence how much water an oil can absorb.
Correct Answer
Type of oil, age of oil, temperature.
Question 5
What information should be placed on all lubricant containers received in the plant?
Correct Answer
Date-stamped with the following information: date of blending, date of receipt by
plant, and date opened and put into service
Question 6
It does not matter if a constant level oiler is mounted on the left or right side of the
pump as long as it is straight?
a. True
b. False
Correct Answer
b. False
Question 7
Which bearing can carry the heaviest loads?
a. Ball
b. Cylindrical roller
c. Journal
d. Tapered roller
Correct Answer
c. Journal
Question 8
Where should the oil level be in a splash lubricating gear box?
Correct Answer
Touching gear tooth — half way up bottom gear tooth
Page 2 of 26
, Question 9
What type of oil contains an EP additive?
a. Gear
b. Hydraulic
c. Engine
d. Compressor
Correct Answer
a. Gear
Question 10
What is the lubrication regime when the metal surfaces are touching?
a. Hydrostatic
b. Hydrodynamic
c. Full film
d. Boundary
Correct Answer
d. Boundary
Question 11
Which list below most closely represents Best Practices in a Lubrication Program?
a. Ensure all equipment complies with ISO 14-12 standards, continually adjust goals
and targets based on results,
b. Consolidate lubricants without compromising performance, train all plant
personnel as lube techs, and set a goal to increase reactive maintenance.
c. Consolidate lubricants without compromising performance, Set equipment
cleanliness as goal to proactive maintenance, Establish an effective oil analysis
program for proactive and predictive maintenance, Practice continuous improvement
with lubrication program
d. Consolidate lubricants to match storage room capabilities, Utilize competent
personnel for lubrication and provide adequate training, Establish replacement
intervals according to outage, Establish procedures that will never have to be changed
Correct Answer
c. Consolidate lubricants without compromising performance, Set equipment
cleanliness as goal to proactive maintenance, Establish an effective oil analysis
program for proactive and predictive maintenance, Practice continuous
improvement with lubrication program
Page 3 of 26
