WorksheetsPlant Operation Chapter 6
Total questions: 12
Worksheet time: 3600secs
Select two (2) requirements basic equipment maintenance.
Lubrication
Bolting (tightening)
Overhauling
Replace a new equipment
Select two (2) benefits of operator maintenance programs.
Uninterrupted production
Reliable and safe operation
Increase the maintenance cost
Many breakdowns occur with unplanned downtime
Select two (2) maintenance duties of process technician
Measure overall vibration using data collectors
Adjust tension and replace V-belts
Sampling and testing
Failure to clear work areas before reactivation of equipment
Select two (2) functions of lubricant
Dampen shock
Flush out contaminants
Protect equipment from explosions
To maintain the cleanliness of equipment
Select two (2) major lubricating system designs.
Pressure lubrication
Gravity lubrication
Visual lubrication
Vacuum lubrication
Choose the functions of lubricant normally use while maintaining the process plant equipment.
Lubricants reduce heat by reducing friction that generates heat, plus the lubricating oil also carries heat away from the moving parts
Lubricants used to verify the tightness of specimens or the location of leaks.
Lubricants used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller
Lubricants used as fuel for generating electricity and heat.
Select two (2) techniques for unplugging and cleaning piping and equipment that commonly use.
Pressure technique
Mechanical methods
Friction technique
Specific graviity technique
Select two (2) problems that could occur by excessive piping vibration
Pipes can be knocked off their supports
Threaded connections can loose
Sparks and arcs may ignite
Loud sounds may exist
Select two (2) impacts on bottom-line costs by improve the rotating equipment reliability
Reduces maintenance costs
Reduces equipment acquisition costs
Reduces mean-time-between-repair
Increases purchasing and inventory activities
Select two (2) common failures most often for a centrifugal pump
Bearing and wear ring damage
Mechanical seals leakage
Overheating
Running in reverse
Select two (2) of steam traps
Float trap
Fixed orifice trap
Thermometer trap
Dynamic trap
Select two (2) methods for troubleshooting steam traps.
Temperature measurement
Smell
Observation
Using gas leak detector
