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millwright > review questions level 1 > Flashcards

review questions level 1 Flashcards

1
Q

Angle of a center punch?

A

90 degrees

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2
Q

Angle of a prick punch?

A

30-60 degrees but if only option is 45 degrees then 45

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3
Q

What is the whimis sign of chest?

A

Health hazard

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4
Q

How tall of ladder do you need for 24 ft? ratio is 4:1

A

36 ft

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5
Q

What type of drill press is manual feed ?

A

Sensitive drill press/ hand puller lever style

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6
Q

on sensitive style drill press how do you change the speed?

A

belts and pulleys

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7
Q

On vernier calipers, where do you find the most amount of wear?

A

on the jaws that measure.

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8
Q

how do you identify grade of bolt?

A

lines on the head then add 2 to get tensile strength.

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9
Q

What type of bolt locks into place?

A

Carriage bolt square part of head

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10
Q

What kind of rivot has only access from one side?

A

blind rivot

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11
Q

What does the oxidizing symbol look like?

A

Flame over circle

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12
Q

What kind of wrench turns a polished shaft or smooth surface ?

A

Strap wrench

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13
Q

What does the fire triangle look like ?

A

oxygen, heat and fuel

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14
Q

What color is the whimis symbol that has a class A fire?

A

Green

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15
Q

The height of scaffolding cant be more then 3 times the base area?

A

Needs outriggers

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16
Q

What kind of scaffolding has a cross brace?

A

A safe way scaffolding

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17
Q

Flames for Oxy acetalyne cutting are?

A

neutral flame is for cutting, oxidizing flame draws the carbon out of the steel, carburizing flame puts carbon into it its acetylene rich flame

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18
Q

Torque wrench adapter formula.

A

length of torque wrench divided by over all length like 20 divided by 26 then times by 355 ft

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19
Q

How far does the ladder have to extend over the roof?

A

1 meter or 3 feet

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20
Q

How thick does scaffolding planks have to be?

A

minimum 2 inches thick

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21
Q

What kind of rod is used for gouging?

A

carbon rod

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22
Q

Plasma torches need what kind of bottle?

A

Co2 and or argon

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23
Q

What causes excessive slag when using a cutting torch?

A

moving to slow

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24
Q

What is the most common angle of projection in drawing?

A

Third angle. Be able to tell first and third angle, first angle comes from the right and third angle comes from the left.

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25
The whimis symbol of the test tube is?
Corrosive
26
How do you find the shafts average size?
take 3 shaft size reading then add them all together and then divide by 3.
27
What kind of drill do you use to drill multiple holes at once?
Gang drill
28
What would you use to repair a external thread?
Die nut/ non adjustable
29
What happens when using oxy acetylene set up and oxygen tank runs out?
Carburizing flame
30
To cut a straight line with tin snips, what type of snips do you use?
Straight cut tin snips
31
What two tools would you use to clean burs out of a round hole?
Round file or a reamer.
32
What body part to use to lift safely?
Knees or legs
33
What happens when an acetylene bottle is laid over for period of time?
You get acetone in the regulator if you dont let it sit upright and settle for 8 hours.
34
How do you find the wall thickness on a pipe?
Add two wall thickness together check formula!!!!!!!!!
35
Drill RPM
Cutting speed X 4 then divided by 4 = RPM. for imperial X320 = divided by diameter
36
When mounting a grinding wheel what is the procedure?
Un plug the grinder, ring test, check rpm on blotter and the tool rest maximum is 1/8 minimum 1/16
37
What do you do when using a mag drill magnetic base?
Use a chain to hold it for safety
38
What is the torque multiplier formula?
4:1 but take 10% off so it is 3.6:1
39
What is a die stock?
The handle that you attach to the die
40
How do you find the center on a shaft?
Hermaphrodite calipers
41
Procedure for portable key seat cutter?
involvestaking the machine to the shaft, consists of a self aligning V base, a bar, or chain clamp, upper frame has hand crank for vertical and horizontal travel and a motor and spindle with a collet chuck
42
What kind of oils are for cutting fluids?
Emulsifiable oils
43
What is a penetration code?
Measure the stiffness of greases ( 0 lowest 6 stiffest)
44
What are feeler gauges for?
To check bearing clearances, tolerances etc, you want it to have slight drag pulling back
45
What is the calibration of 1 inch micrometer?
0-1 inch
46
How far away can tool rest be on a grinder tool rest?
1/8 maximum, 1/16 minimum
47
When installing hack saw blade which direction do the teeth point?
Away from you, always cutting on the push away
48
How many hack saw strokes in a minute?
50 strokes a minute
49
How many hack saw teeth per inch for cutting mild steel?
18 teeth
50
How many teeth per inch cutting alloy steel?
32 teeth
51
when starting the hack saw cut you should?
Start the cut between two teeth called stradling on the blades teeth, start the cut with the side of a file in the shape of a "v".
52
What kind of drill to use in a tight space or confined space?
Angle drill
53
What are the parts of a file?
Tang, heel, face, Safe edge, Point
54
What are two types of lubrication systems?
Once through and enclosed
55
What kind of lubrication system is most common in a reducer?
Splash method
56
Cut off saw procedure?
Wear all PPE, Inspect abrasive disc and check rpm, stand to the side when started up incase disc explodes, check the jaws to be within 90 degrees, let the blade cut don't use to much pressure.
57
Why is there a rupture disk in oxygen tank regulator?
To safely release the pressure 3200 psi
58
What safety feature is in acetylene bottle?
rupture plugs inside of the tank
59
What are the five categories for MSDS?
Hazard communication, identification, composition, first aid measures, fire fighting measures
60
What is the ladder to use around electrical?
Fiber glass
61
What is the safest way to break a flange?
Loosen the bolts on the opposite side away from you
62
What percentage of carbon monoxide can kill you?
2%
63
Who is responsible for fir extinguisher maintaence?
The owner
64
Safety factor for rigging is 5 to 1
For people in man baskets etc is 10 to 1
65
To much oil or lubricant in a bolt hole will?
cause hydraulic lock and can crack the cast
66
What does oil viscosity do when it heats up?
The viscosity decreases/ also decreases from load.
67
What kind of sling do you use on a polished shaft?
Synthetic sling
68
Toe boards on scaffolding need to be how high?
140 mm at a height over 3 and half meters
69
The height of a guard rail 3 meters off the ground is ?
44 inches
70
What is the scaffolding safety rating?
4 X the weight of a 200 lb person=800 lbs
71
What kind of weld would you use for disimilar metals?
Brazing
72
What is the gas for plasma cutter?
65% argon and 35% hydrogen
73
A dead blow hammer is filled with?
Lead
74
cutting speed on a lathe
75
feed rates are always on inchers per minute
76
brush up on how to install grinding wheel make sure blotter on it
77
check procedure for dialing in a vice on a milling machine
78
mag drill has a securing device
79
torque multiplier what does it do
80
die stock is proper teminolgy
81
linesman pliers for cutting and bending
82
procedure for portable key cutter milling module look up
83
emlusufil oils
84
what is a penetration cone?
measure stiffness of grease
85
procedure on how a oil wedge is former millwright manual
86
calibration of a 1 in micrometer
87
using feeling gauges what are you looking for
88
sensitive drill press uses belts
89
what is a bearing scraper
90
math question is gonna give you three or four shaft diameter add them all up and divide them by four
91
oxygen tank running out flame goes long and yellow
92
plasma cutting what does the shielding gas do?
93
whimis reactive symbol
94
reason for brazzing?
joining similar metals
95
What is lateral grinding?
96
Dead blow hammar
97
use for angle drill?
tight space
98
Span for light duty scaffolding?
99
classification of a 1A laddar?
300 lbs max load rating
100
Know fire extinguisher symbols and colors
101
Brush up on rivet's, what type fastener you don't hold from the other side?
blind rivot
102
Feed rate on a lathe is
inches per revolution
103
feet per minute on pulleys for rpm x diameter divided by 12
104
minimum wire rope size for a diameter on 20 inch shiv?
1:20 so for every one inch of rope its 20 inch shiv lol
105
whats the safety factor for hoisting and rigging?
5:1
106
Whats the safety factor for humans in hoisting?
10:1
107
whats the safety factor for elevators?
20:1

millwright (7 decks)

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