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WorksheetsNIMS practice
Total questions: 29
Worksheet time: 15mins
3 Types of cast iron
Machine Tool Bases, Engine Blocks, and scale
ductile, gray, malleable
low carbon, medium carbon, and high carbon
none of the above
Which has the highest Carbon content
8615
1090
4140
1008
Which steel has the lowest carbon content?
1045
1025
1018
1015
A dial bore gauge is used to inspect:
surface finish
tapered holes
slots
holes
What info must be included on a lockout/tagout device?
diagnosis of problem
time and temp
Identity of specific persons authorized to apply and remove the LOTO device
type of alarm machine
Surface finish can be check with a
Surface plate
scale
magnifying class
surface roughness comparator
What gauges are used to set height from a granite plate?
gage blocks
gage pins
dial bore gages
steel rule
one cause of tapped holes becoming too tight might be:
tap drill holes too small
coolant breakdown
tap wear
none of the above
To pick the correct type of measuring tools to inspect a part, the first item to review is:
The usage of the part
the number of dimensions to be inspected
the tolerances of the the dimensions you are inspecting
how to set up the part for inspection
When can a feature on a part be measured?
when the coolant is turned off
only when the operation of the machine has been stopped and the spindle is turned off.
anytime the feature can be reached with a measuring tool
when taken to the inspection department.
a sampling plan provides:
the dimensions to inspect
a plan to randomly inspect the lot of parts
the plan to inspect a part
a list of the parts to inspect.
What measurement is a telescoping gage used to check?
external diameter of a cylinder
depth of a hole or slot
distance to furthest point
diameter of a hole
If using a set of pin gauges to check the size of a 17/64 +/- .005 diamter hole and a .273 pin slips into the hole, the hole is:
undersized
oversized
to size
none of the above
Which of the following is a possible remedy to remove material (solids) lodged in the eye?
pull the the top lid over the bottom lashes
rub the eye from left to right
pull at the corner of the eye
to see assistance to remove the material
Which description is most likely hot rolled steel?
The bar has a black oxide coating
The bar is a yellowish color
The bar has a smooth grade somewhat shiny surface
The bar is a black found surface
Malleable and Ductile Cast Irons are
brittle
soft
able to flex and stretch before breaking
not able to flex or stretch compare to gray cast iron
none of the above
What measurement cannot be determined using dial calipers?
inside diameter
outside diameter
angle
depth of slot
Convert 1.250" to MM
31.75
.3175
.049
.125
On a hazardous material guide, what number is the most hazardous?
1
2
3
4
What is the clearance for a RC4 sliding fit?
.0008-.0028
.0000-.0055
.0000-.0012
.0040-.0105
Which of the following classified metals does not have iron as its basic ingredient?
rare metals
ferrous metals
non ferrous metals
high temp metals
On a Safety Data Sheet, what does LEL stand for?
Lower Exposure Limit
Lower Explosive Limit
Limit exercise level
Lower Emissions Level
The gage block buildup for a 15 degree angle on a 5-inch sine bar is _____.
2.5882
1.2941
1.250
.01725
3 categories of stainless steel include:
austenitic, ferritic, martensitic
austenitic, pearlitic, non magnetic
8620, 4140, 440c
none of the above
all of the above
A hole dimension is 1.000 +/- .002. What is the smallest size acceptable for that hole?
1.0020
1.0000
.9980
.9940
A bundle tag on a bundle of steel bars says that the steel is AISI/SAE 4140. This means that the steel is
Automotive Quality
plain carbon
low carbon
alloy
hot rolled steel
What is the purpose of wringing gage blocks before stacking them?
To help flatten the surfaces
The shine the surfaces before stacking
To remove air from between the surfaces
to clean the dirt and dust from the surface of the stock
When hand filed surfaces show excess scratching, one cause may be:
a dull file
clogged with chip (Pinning)
file is too hard
file is not flat
What dimension is checked with measuring screw threads with a thread micrometer?
pitch diameter
major diameter
minor diameter
pitch
