Tpc 110 Flashcards
When troubleshooting what should you do?
Always ask the machine operator for information on the problem
What are schematics?
They are simple line diagrams that show how a system works using symbols
What is insulation resistance measured with?
Megohmmeter
When troubleshooting a machine what should you first do?
Read the equipment record
Many maintenance departments include millwrights , a millwrights skills are…
Many and varied, like a jack-of-all-trades
Communication is a cycle of how many steps?
4
Writing down an order helps prevent?
Misunderstanding
Report any problems or complaints directly to your?
Supervisor
To improve your people skills you must?
Study and practice them
Which of the following is a non verbal communication method?
Body language
If possible you should schedule repair work for a time when?
The machinery is not normally in use
Before you can detect developing problems you must learn…
To recognize normal operation
Resistance is measured with?
Ohmmeter
Mechanical test include the timing of operations on?
Turret lathes
Air supplies should be checked with the?
Machine running
Most service manuals include drawings, troubleshooting will be easier if you…
Take a few minutes to check this information before you start working
There are several different instruments for measuring pressure, the most common one uses a?
Bourdon tube
A thermocouple measures the difference between two?
Temperatures
A multimeter can measure?
Potential difference
An infrared pyrometer can measure?
Hot spots
If the spaces between the top plates of the chain look uneven when the conveyor is running, the conveyor is probably?
Overloaded
Fragile tools should be kept in a?
Drawer type chest, rather than a box
When the dolly is for outdoor use you may want to use wheels measuring?
12 inches or more in diameter
The mechanics stethoscope is commonly used for detecting…
Faulty gears, valves, and bearings in rotating machinery
It is good practice to make notes about a machine failure, enter these notes into the…
Instruction manual or maintenance record card
Isometric diagrams show the piping in a?
Single view that includes all three dimensions
Lighting diagrams show the wiring in the…
Ceilings and walls of a building
A troubleshooting chart is useful for troubleshooting and is developed by?
The maker of the equipment, it gives step by step instructions for testing the equipment
A schematic usually shows the size of each pipe by?
Indicating the I.D.
Symbols that look like bow ties are for?
Gate valves
Bearings support power transmission shafts and are…
Precision built
Mechanical dust collectors include the…
Centrifugal, wet, and bag types
High temperature is one of the first signs of?
Bearing failure
If a pump stops where should you check first?
The drive unit
What is the major cause of problems in hydraulic systems
Dirt
What term describes many kinds of switching and interrupting equipment that control, meter, protect and regulate various machines?
Switch gear
A panel board is a small assembly that contains?
Fuses or circuit breakers
A pictorial diagram shows the part of the circuit as they…
Actually look to the eye
Wires are assigned gauge numbers based on?
Diameter
If the circuit is complete between the two points current will…
Flow from the tester, through the circuit to the other end of the tester, and light the lamp
What is the first things emergency crews must do when arriving to a job site?
Determine what parts and supplies are needed
There are four main causes of wear in machinery…
Corrosion, many materials are chemically active
When performing a test run on a machine, you should?
Remove the guards
You can conduct your own informal training how?
Study blueprints and manufacturers literature
When a fault occurs at the end of a series of actions or circuits make the first check where?
Midway in the series
What is used for issuing instructions to maintenance specialists and obtaining information back from them?
Work order form
When should you lubricate shafts and bearings?
Daily
All the following will cause a drive belt to deteriorate except?
Too much ventilation
As a rule it takes about how long to get a new PM system running smoothly?
A year
What is the most important part of a P.M. program?
Inspection
