Questions and CORRECT Answers
New Bulk Lubricant shipments should be supplied with a _ from the blend plant to determine
product Specifications - CORRECT ANSWER - Certificate of analysis
What is the most important property of an oil - CORRECT ANSWER - Viscosity
Which of the following is used to perform analysis on reliability growth? - CORRECT
ANSWER - Crow AMSAA Diagram
Which of the following is generally correct - CORRECT ANSWER - Which of the following
is generally correct
If a filter element with a 40 micron rating is replaced with al element that has an 80 micron
rating the _. - CORRECT ANSWER - Downstream flow will increase
Which of the following does not support people development? - CORRECT ANSWER -
Providing feedback only when asked
Amongst the following, what is the best method for measuring employee skills and training? -
CORRECT ANSWER - Maintain a skills inventory and tracking database
With series systems, reliability _ as the number of components increases - CORRECT
ANSWER - Decreases
Which fluid among the following has the best heat transfer properties - CORRECT
ANSWER - Water (Liquid nitrogen, mineral oil, synthetic oil)
, The kinematic viscosity of a liquid is the _. - CORRECT ANSWER - Ratio of absolute
viscosity to the density of the liquid
When the time period between the testing which detects a failure, for failures with significant
economic consequences, and when life expectancy is highly variable, a good approach is: -
CORRECT ANSWER - On-line condition monitoring
What are the three most significant constraints when developing a maintenance and reliability
organization? - CORRECT ANSWER - Culture/People/Resources
What is the beta ratio of a filter media that has particle size of 50,000 ppm at upstream and 500
ppm downstream - CORRECT ANSWER - 100
Another name for Ishikawa diagram is? - CORRECT ANSWER - Fishbone diagram
What is the RPN given the following score. Severity = 10, Occurrence = 10, Detection = 10, and
Criticality = 5. - CORRECT ANSWER - 1000
The motor oil designated for heavy duty trucks with diesel engines is assigned API Cj-4. The
API service symbol C stands for: - CORRECT ANSWER - Commercial
The reliability block diagram for a system is shown below. What is the reliability of the system.
0.98 series 0.97 and 0.99 parallel - CORRECT ANSWER - 0.9797
A simple computer consists of a processor, a bus and a memory. The computer will work only if
all three are functioning correctly. The probability that the processor is functioning is 0.99, that
the bus is functioning 0.95, and that the memory is functioning is 0.99. What is the reliability of
the computer? - CORRECT ANSWER - 0.9311 (0.99 X 0.99 X 0.95)
What relationship should maintenance and reliability teams have customers and suppliers for
optimum effectiveness. - CORRECT ANSWER - Team members should be involved in
communicating with customers and suppliers