1.
The safest way to remove chips from a lathe or milling machine is to use a?
A
Air hose and high pressure nozzle
B
Glove covering the operators hand
C
Brush
2.
Small chips left on the spindle nose of the lathe should be cleaned to avoid
A
Symmetry of Shapes
B
Run out on work holding devices
C
Scratches on the workpiece
3.
Grease guns are used to insert grease into
A
Zerk fittings on machine tools
B
The short taper of a cam lock spindle nose
C
The T-slots of a vertical mill
4.
To lubricate the ways of a lathe, the gibs of a mill, or the cross slide of a grinder
A
Use a grease gun with lithium grease
B
Use chalk as a lubricant since it doesn't attract dust
C
Use lubricant found in central lubricating systems ("one shots")
5.
If a verticle mill table is loose and has side play, the best solution to alleviate side play is to
A
Tighten the clamps that lock the table
B
Tighten the taper gib adjustment
C
Loosen the taper gib adjustment
6.
A machinist wants to find the proper type of lubrication, schedule and recommended maintenance practices for the headstock of a lathe. The best source to find this information is
A
Tooling and Manufacturing Engineer's Book
B
FMEA (Failure Mode Effects Analysis)
C
Preventative maintenance schedule and machine manual
7.
General maintenance information for machine tools and machine work area can be found
A
On the capability report
B
In a general maintenance manual
C
On the inspection and sampling plan
8.
Pinning refers to
A
Back filling
B
Draw filling unloading
C
Loading the file with metal chips
9.
Files should be stored
A
In a toolbox separated from each other
B
In a large wooden box close to the bench area
C
With end mills, drills, and other cutting tools
10.
The best way to clean the chips out of a file is to use
A
Brush
B
An air gun
C
File card
11.
What is the most common injury that may occur during a filling operation
A
Slivers from pinning
B
Being stabbed with the tang (file without a handle)
C
Scratches from holding the file
12.
The best lubricant to prevent wear and increase cutting efficiency for tapping common steels is
A
Sulfur-based oil
B
Mineral oil
C
Air jet
13.
The process plan specifies tooling to be used by indicating
A
Tolerances on dimensions
B
Lubrication procedures
C
Tooling diameters and sizes
14.
A reaming operation produces finish tears. The cause of the tears is
A
A reamer with a worn tip
B
Feeding too slow
C
Insuffcient stock allowance
15.
What is the gage block height for an angle of 9 degrees on a 10-inch sine plate
A
1.5643 inches
B
0.7822 inches
C
3.1287 inches
16.
Which of the following combinations of gage blocks (from an 81-block set) can be used to gage a length of 0.9528 inches?
A
0.152, 0.1008, 0.750
B
0.1008, 0.102, 0.750
C
0.1008, 0.325, 0.500
17.
The process of displacing air between gage blocks for accurate measurements is called
A
Smoothing
B
Wringing
C
Honing
18.
To check the height of multiple parts with gage blocks, a machinist would use a
A
Dial indicator and digital height gage
B
Digital height gage
C
Vernier caliper and telescoping gage
19.
Surface finish is checked with
A
Optivisor
B
Comparison chart
C
Optical Comparator
20.
A surface finish symbol is as follows
A
The surface finish is 15 millimeters
B
The surface finish is 0.015 inches
C
The surface finish is 15 micro inches
21.
What is the most common type of surface finish callout
A
Roughness
B
Waviness
C
Lay
22.
A part is considered a reject when
A
All the dimensions are in tolerance
B
The daily production rate is not achieved
C
Dimensions are out of tolerance
23.
A sampling is referred to as a
A
Number of defects in a shift
B
The number of parts that meet all dimensions
C
Samples taken from a machine over a period of time
24.
Inspections plans are needed to
A
Check dimensions in a repeatable and reliable way
B
All the above
C
Identify measuring tools and Coordinate inspection procedures
25.
The first thing to do when constructing an inspection plan is to
A
Select the critical and important dimensions to inspect
B
Select the measuring instruments
C
Construct SPC charts for all dimensions
26.
The most important factor in selecting measuring tools for inspection is
A
Tolerancing of dimensions to inspect
B
Access to measuring equipment
C
Process capability of the part in assembly
27.
Sampling plans contribute to a quality control process by
A
Defining tolerances regardless of the print tolerances
B
Creating error margins in capability ratios
C
Providing an acceptable respresentation of all the parts produced
28.
What features of a thread is checked with a thread micrometer
A
Pitch diameter
B
Root radius
C
Minor diameter
29.
Dial bore gages are used to measure
A
Tapered shafts
B
Holes
C
Internal threads
30.
To indicate an angled surface and make that surface parallel to a surface plate, the machinist would use a
A
V-Block and indicator
B
Angle plate and plate protractor
C
Sine plate
31.
What sizes of gage pins would a machinist need for a dimension of 3/32 + 1/64th inches for a go/no go gage setup (rounded to three places)
A
0.110/0.094
B
0.110/0.078
C
0.332/0.312
32.
A measure of dispersion that uses the largest and smallest measurements of a sampling is
A
Median
B
Mode
C
Range
33.
What is the range of the following sampling: 0.345, 0.382, 0.353, 0.380, 0.377
A
0.037
B
0.017
C
0.025
34.
Which of the following is not found on an X-bar and R control chart
A
Mean
B
Upper control limit
C
Capability Ratio
35.
The acronym MSDS means
A
Material Safety Data Sheet
B
Multiple System Diagnostic Sheet
C
Manual Safety Data System
36.
Which of the following colors is not found on an HMIS label
A
Red
B
Yellow
C
Green
37.
The threshold limit value (TLV) is defined as
A
The threshold temperature for explosion
B
The point at which a chemical becomes flammable
C
The safe limit of unprotected exposure to a material
38.
MSDS information on new chemicals and materials found in the workplace can be reviewed and discussed at
A
All the Above
B
Right to know seminars and classes
C
Safety meetings
39.
The acronym HMIS stands for
A
Hazardous Materials Information System
B
Hazardous Methods Instructional Safety
C
High Maintenance Inspection Survey
40.
The acronym for the goverment agency that regulate safety is
A
OCAW
B
USFS
C
OSHA
41.
Oily rags and wipes are stored in a red fireproof can with a lid to prevent
A
Obnoxious smells
B
Fire through spontaneous combustion
C
Oil from seeping on the floor
42.
The first course of action to take if a material (solid) becomes lodged in the eye is to
A
Use light air pressure to blow out debris
B
Use a magnet to attract the object
C
Pull the top lid over the bottom lid
43.
The first action to take with a bleeding wound is to
A
Apply a tourniquet
B
Apply pressure to the nearest artery
C
Stop the bleeding by applying pressure to the wound
44.
The best technique for lifting is to
A
Lift with the legs and keep the back straight
B
Keep the legs straight and use only the back
C
keep feet wide as possible
45.
When operating a lathe, long hair, dangling jewelry, or loose clothes can
A
Become dirty from oil and chips
B
Obstruct the view of operation
C
Become caught in the lathe pulling the operator toward the machine
46.
Goverment safety regulations state that a person must wear a ________ when working on material stored overhead using cranes and hoists
A
Hard hat
B
Ear plugs or muffs
C
Insulated gloves
47.
When working on machinery producing flying chips, the most important personal protection equipment a machinist must wear is
A
Ear plugs
B
Gloves
C
Safety glasses
48.
Which one of the following procedures is a safe procedure for a milling operation
A
Using an air gun to clean the chips off the mill table
B
Adjusting the work only when the cutter is stopped
C
Extending the tool and quill to achieve a maximum length
49.
The best technique for milling on a vertical mill that is not equipped with an automatic table is to
A
Conventional mill
B
Peck mill
C
Spotface mill
50.
Tight threads produced by a tapping operation may be caused by
A
Large tap hole diameter
B
Tap wear
C
Material springback
51.
Thread percentage is dependent on the
A
Number of threads per inch
B
Major diameter of the thread
C
Tap hole diameter
52.
What is the root cause of warping when grinding long slender pieces
A
THe structure of the wheel is too open
B
Heat checking due to a hard wheel
C
Vibration of the work piece during the grinding operation
53.
When dressing the grinding wheel, the diamond dresser should be located on the
A
Outfeed side of the wheel rotation (left side)
B
Bottom dead center of the wheell
C
Infeed side of the wheel rotation (right side)
54.
Tough material causes accelerated tool wear. Machinists can ________ to reduce tool wear and possible tool breakage.
A
Increase the spindle speed
B
Increase the spindle speed and feed
C
Decrease the spindle speed
55.
The print calls for 0.375 + 0.005 wide X 0.125 + 0.005 deep slot to be milled. The best procedure is to
A
Use 0.250 diameter end mill to depth of 0.100,then use 0.375 diameter end mill depth of 0.125 inches
B
EDM the slots with an electrode since a mill cannot hold the specified tolerances.
C
Use a 0.375 diameter end mill with a single pass
56.
The most accurate method for aligning a vise mounted on a verticle mill table is to
A
Use a scale and measure distances
B
Use a dial indicator mounted on the quill or in a collet
C
Use calipers, perform triangulation and apply roll pins
57.
Reamers cutting oversize due to built up edges may be caused by
A
A slow feed rate
B
Excessive stock allowance
C
Flute lengths
58.
The clearance for a counterbore pilot should be
A
0.000 to 0.0005 inches
B
0.002 to 0.005 inches
C
0.020 to 0.030 inches
59.
What is the allowance for a shaft measuring one inch in diameter with an RC6 sliding fit (in inches)
A
+0.001
B
-0.003
C
-0.004
60.
What does the acronym FN represent
A
Frontal fit
B
Fast fit
C
Force fit
61.
Continous improvement and teamwork
A
Are used only in first piece inspections
B
Increase production and profability
C
Increase the work load
62.
Which of the following items is a tool for continuous improvement