Installation, Maintenance, Alignment And Tools Flashcards
Metallic packing is used in the stuffing Box due to?
In a high temperature application
Why is a lapping plate softer than the material you are lapping?
It allows the compound to be embedded in the plate to assist in the lapping process
An electric drill being used in a damp location requires what?
A GFCI breaker to be used
During setup, a dial indicator is used with what?
Surface plate
How does a labyrinth seal stop leakage?
By design
What type of steel should be used for cutting tools?
Tool steel
You need to shim a pump. You determine that it requires a 1/64”, 1/8”, 3/64”, 5/32” and 1/2” shim. What is the total shim thickness?
27/32” ( .84375)
What is the best method of sharpening a scribing tool?
Honing
Upon catastrophic failure, what type of maintenance is performed?
Reactive
When must a plan maintenance program schedule be overlooked?
Whenever there is a safety concern
When tempering a hand tool, what cools the tool quickest?
Water
If you use a drill with a fixed rate of speed and it is turning too slowly, what will happen?
Drill bit will break
How do you best communicate with other trades?
Repeat info back to confirm
Who generates work orders?
A supervisor
What type of maintenance uses technical reports to determine a schedule?
Preventative
What is important to remember when mounting a pump and motor?
The temperature of liquid being pumped
If a plunger is out .012” after rotating 180ﾟ, how much should you shim it?
.006”
If a micrometer is inaccurate, what should you do?
Reset sleeve
How do you connect to length of pipe if you want to disassemble them later?
Union
What is used for accurate angle measurement?
Gauge block and sine bar
When installing machine, what is the primary condition to address?
Referent lines
What type of misalignment is to be checked 1st?
Angular
How long does it take for concrete to achieve working strength?
28 days
What is the number of threads per inch of a standard micrometer spindle?
40
The markings on the sleeve of a standard micrometer are in increments of what?
.025”
What does a Rockwell hardness tester check?
Penetration
How do you remove a hand reamer?
Continue rotating in the same direction and withdraw
A Vernier caliper measures to an accuracy of what?
.001”
When drilling mild steel, the normal included angle of a drill bit is what?
118°
You are using a 18” level and the machine is 6’ long. After placing the level on the machine, you must shim the level .05” to make the bubble center on the level. What is the shim requirements for the machine to be level?
.200”
A coupling touches the mating coupling at 12:00 only during pre-setup. What must be done to correct this?
Add schims to the front of the motor
A tank is found to be not level. After jacking the tank up to level it out, what would you do next?
Shim
A steel shaft is in a 68ﾟF room. The shaft is 10’ long. After being taken to the shop floor which is 70ﾟ. What is the length of the shaft?
120.0000126”
What is the recommended amount of material to leave prior to hand-reaming an 11/16” hole?
.001” to .005”
The primary function of glow plugs on a diesel engine is to what?
Pre-heat the combustion of the chamber for starting
What color is a groundwire in an extension cord?
Green
What is the best method of alignment?
Rim and face
What condition determines the angle included of a drill bit?
The material you are drilling
What is soft foot?
When supporting footing do not equally support the load
Where is the lantern ring located in a stuffing Box?
In line with the lubricant entry hole
What type of impeller should be used with acid?
Stainless steel
Amplitude, frequency, critical speed and harmonic or what?
Balancing terms
What is a soul plate?
A single machine not mounted on a common plate.
What is a dynamic seal?
A seal between a rotating and stationary surface
What type of blade should be used when cutting carbon steel with a band saw?
Regular Straight tooth 6-10 TPI
What is the range of included angle of a counter sink punch?
80 - 82 degrees
If material is subject to various types of stress this is called what?
Fatigue loading
What is the total thickness of the following shims 1/2”, 3/16”, 5/16”, 1/4”, 1/8” and 7/16”?
1 13/16”
What valve would you open last when starting a centrifugal pump in a flooded application?
Outlet
How do you check a gearbox tooth clearance?
Blueing
If you notice an idler roller wasn’t touching a conveyor, what would be the reason?
Wasn’t installed properly
What is a lantern ring and where is it installed?
Concave ring installed below the grease fitting to allow grease access to cool the shaft.
You are installing a pump and piping. What would you do 1st?
Bolt down the pump
How do you check for electrical continuity?
Ohm meter
What would you do before changing bearings in the diesel motor?
Remove all battery leads
A Crescent seal pump has what kind of gear set up?
An internal gear with male teeth, and an external gear with female teeth containing more teeth than the male gear.
How are packing joints staggered on a stuffing Box?
90ﾟ to the previous ring
A gear is sloppy on a shaft. You have no spare parts. What do you do?
Weld the gear to the shaft
Prior to starting a steam turbine, you should do what?
Check lubrication levels
What type of gear transmits rotational motion into linear motion?
Rack and pinion
What type of gear eliminates thrust in both directions?
Herringbone
Where is lantern ring located in a stuffing Box?
Beneath the threaded opening
Type of gear will be used in a differential to connect a drive shaft to a rear axle?
Hypoid
What type of plank should be used for scaffolding?
Fir
What do you add to make 2 gears run in the same direction?
Idler gear
When pump frequency = motor frequency you have what?
Operating speed
When pass information is used to determine a maintenance schedule, this type of schedule is called what?
Predictive
Materials sticks to a conveyor. This is caused by what?
Bad scraper
