20
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January - February 2022
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www
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machinerylubrication.com
TEST YOUR KNOWLEDGE
This month, Machiner y Lubrication continues it s " Test Your Knowledge" sec tion in which we focus on a group of questions from Noria's
Prac tice Exam for Level I Machine Lubrication Technician and Machine Lubricant Analyst. The answers are located at the bottom of this
page. The complete 126-question prac tice test with expanded answers is available at store.noria.com.
ANSWERS
1. D 2. C 3. C 4. E 5. A
1. The primary reason that machinery is replaced is
due to:
A. Erosion
B. Accidents
C. Obsolescence
D. Surface degradation of the metal
2. Which of the following is not a lubrication regime
(mode/type)?
A. Boundary
B. Elastohydrodynamic
C. Boundarydynamic
D. Hydrodynamic
E. Mixed film
3. Which maintenance strategy is based strictly on
tasks performed at specific time intervals?
A. Proactive
B. Predictive
C. Preventive
D. Percussive
E. Reactive
4. Condition-based maintenance:
A. Is based on the condition of the equipment and the early detection of
faults
B. Is based on regular time-based overhauls
C. Is based on run to failure
D. Is based on the condition of the oil and other root causes
E. A and D
5. The Pareto Principle (80/20 Rule) states:
A. e largest beneficial effect is obtained from a critical few
maintenance tasks
B. e largest beneficial effect is obtained from the (random) many
maintenance tasks
C. All machines die sometime
D. All bearings live forever
E. 80 percent of the people do 20 percent of the work
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