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September - October 2021
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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. A 3. C 4. B 5. A
1. Oil degradation due to contamination can
result in:
a. Viscosity Change
b. Additive Depletion
c. Oxidation
d. All of the Above
e. Only A & B
2. __________ is an oil's ability to separate from water.
a. Demulsibility
b. Flash Point
c. Dryout
d. Crackle Point
3. What type of wear might be caused by air bubbles or
water vapor bubbles in a hydraulic fluid?
a. Adhesive Wear
b. Abrasion
c. Cavitation
d. Gouging
4. Which maintenance strategy is deployed based on
equipment condition and focused to eliminate the
root causes of failure?
a. Planned Maintenance
b. Proactive Maintenance
c. Predictive Maintenance
d. Planned Corrective Maintenance
5. The units of measurement for kinematic
viscosity are:
a. Centistokes (cSt) in mm²/s -
b. Saybolt Seconds Universal (SSU)
c. Centipoise (cP)
d. Centistokes (cSt) in Pa/s
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