Fluid Analysis

Question 1

_________ may have identified the presence of metal particles due to wear from the journal bearing, but vibration remained low because the clearances were not excessive enough to cause vibration.

Answer 1

oil analysis

Question 2

for many industries, vibration analysis has been the primary technique for monitoring machine health, while __________ is the preferred mathod ised in the mobile and heavy equipment industry.

Answer 2

oil analysis

Question 3

___________ is more effective in detecting failures in hydraulic systems and reciprocating equipment.

Answer 3

oil analysis

Question 4

__________ is preferred in detecting failures in high-speed rotating equipment.

Answer 4

vibration analysis

Question 5

___________ lubricant and a significant contaminant in any lubrication system.

Answer 5

water is a poor

Question 6

_______ is running the lubrication system at higher than recommended temperatures or overheating the system can also damage the fluid or system components.

Answer 6

Oxidation

Question 7

the main cause of oxidation is ______

Answer 7

heat

Question 8

doing ________________ indentifies not only metallic particles and contaminants suspended in the oil, but also oxidation and water content through acid monitoring and water detection.

Answer 8

routine oil analysis

Question 9

the sample should be taken at a point where the fluid is _______

Answer 9

well mixed

Question 10

when an oil sample is removed from a point in a circulating system, it is a ___________

Answer 10

live zone sample

Question 11

live zone locations in the system piping, sampling downstream from system compenents and sampling upstream from filters or separators is areas to consider when locating ______________ on circulating.

Answer 11

oil sample collection points

Question 12

contamination is measured by __________ and the __________ of a particular size

Answer 12

particle size and the number of particles

Question 13

the size of contaminant particles is measured in ________, which are one millionth of a metre in size

Answer 13

microns

Question 14

the number of particles is specified by ________________ standards using a range code

Answer 14

international organization for standardization (ISO)

Question 15

one of the most important physical properties checked is the ________

Answer 15

oils viscosity

Question 16

this is analysis by checking the flow rate of oil at ____ and ____

Answer 16

40c and 100c

Question 17

_________ and imaging has become a valuable diagnostic tool

Answer 17

thermal analysis

Question 18

the ________ is a non-contact instrument that is capable of scanning the temperature distribution of entire surfaces of machinery quickly and accurately.

Answer 18

camera

Question 19

________ is the material’s ability to emit thermal radiation.

Answer 19

emissivity

Question 20

ambient temperatures and weather conditions can have a big influence on readings. high ambient conditions can _____ an entire object, while cold ambient temperatures can cool down ___ .

Answer 20

heat
hot spots

Question 21

the product of oxidation is gum snf vamish, sludge, acids what is the 3 harm to the system

Answer 21

sticky valves, blocked pilot passages, and corrosion of parts

Question 22

_____ times the dead space volume before collecting your test sample with a clean and dry container; this ensures a true representation of the oil in the sample.

Answer 22

flush five

Question 23

the bottle is ______ completely because there must be room in the container for agitating the sample at the analysis lab

Answer 23

not filled