www.machinerylubrication.com
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May - June 2017
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THIS MONTH, MACHINERY LUBRICATION CONTINUES
ITS "TEST YOUR KNOWLEDGE" SECTION in which we
focus on a group of questions from Noria's Practice 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 practice test with expanded answers is
available at store.noria.com.
TEST YOUR KNOWLEDGE
Answers
1. D
This is because of the initial cost of the instrument.
2. A
This is to ensure that clean oil is added to the system, as new oil is not necessarily
clean oil.
3. B
Grease remains within the lubricated component, lowering the risk of a dry start. It
is unlike oil, which drains away when the system is shut down.
1. Which test is not practical to run onsite as an
oil analysis field test?
A) Viscosity
B) Particle count
C) Acid number
D) Wear metals by atomic emission spectroscopy
E) Glycol determination
2. Lubricant refilling best practices should include
which of the following:
A) Use a filter cart to charge (fill) the system with oil, if possible
B) Refill the equipment while it is operating and hot
C) A funnel
D) A funnel if it has been capped (or sealed)
E) A sealed container with a tube for siphoning
3. Greases have the advantage of functioning well in:
A) Very high-speed bearings
B) Frequent start-stop applications
C) The presence of other types of greases
D) Applications that require heat transfer and cooling
E) Very cold-temperature applications
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