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1st year millwright
1st year millwright
62
Other
Not Applicable
01/17/2020

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Cards

Term
A number 4 standard rule has what graduations
Definition
1/64  1/32  1/16 1/8
Term
how are metric rules graduated
Definition
.5 mm and 1 mm
Term
Name 3 types of protractors
Definition

plate protractor

bevel protractor

universal bevel (Vernier) protractor

Term
what is meant by the discrimination of a measuring instrument
Definition
degree of accuracy it will measure to
Term
what are the main parts of a micrometer
Definition

frame

anvil

spindle

sleeve

thimble

ratchet

Term

how many threads per inch does an imperial micrometer have

 

 

how far will the spindle move in one revolution

Definition

40 tpi

 

 

 

0.025"

Term
how many graduations are there on the thimble of an imperial micrometer
Definition
25
Term
metric micrometers have what pitch for the threads
Definition
.5mm
Term
how far will the spindle move in one revolution on a metric micrometer
Definition
.5mm
Term
how many graduations does the thimble on a metric micrometer have
Definition
50
Term
what is the discrimination for a imperial Vernier micrometer
Definition
0.0001"
Term
what is the discrimination on a metric micrometer
Definition
0.01mm
Term
what micrometer has a scale backwards from an outside micrometer
Definition
depth micrometer
Term
what part of an outside micrometer is adjusted when calibrating it
Definition
sleeve
Term
what type of taper gauge can be used for checking angular misalignment
Definition
leaf style or edge reading
Term
name 3 comparision measuring instruments
Definition

drill point gauge

drill size gauge

square

radius gauge

surface comparator

Term
what are three styles of small hole gauges
Definition

hardened ball

half ball

twin ball

Term
what dial indicator has a contact that swivels 180 degrees
Definition
dial test indicator
Term
what is meant by a balanced dial indicator
Definition
reads clockwise and counter clockwise from zero
Term
what will result from cosine error when using a dial indicator
Definition
it will read higher than it should
Term
what type of layout would use fractional tolerances
Definition
basic or semi-precision
Term

you would use use witness marks with:

 

a) semi precision layout

b) precision layout        

c) both                        

d) neither                    

 

 

 

 

 

 

 

Definition
c) both
Term
how are dividers sized
Definition
from the pivot to the point
Term
what is the included angle of a centre punch
Definition
90 degrees
Term
what is the included angle of a prick punch
Definition
30 - 60 degrees
Term
what lay out fluid would be used for castings and hot rolled
Definition
lime and alcohol
Term

which form of dimensioning causes accumulative error

 

a) incremental

b) absolute     

Definition
a) incremental
Term
three grades of surface plates are
Definition

AA  laboratory grade

 

A  inspection grade 

 

B tool room grade  

Term
name 3 advantages of granite surface plates over cast iron
Definition

not effected by temperature

won't rust

won't distort

non magnetic

Term

[image]

what is the shafts nominal size

Definition
1.000 inch
Term

[image]

what is the shafts basic size

Definition
0.9975"
Term

[image]

what is the tolerance for the shaft

Definition
0.0012"
Term

[image]

what type of tolerance is being shown

Definition
unilateral tolerance
Term

[image]

 

what type of plus minus tolerance is shown

Definition
bilateral
Term

[image]

 

what type of tolerance is being shown

Definition
limit dimensioning
Term
what is meant by allowance
Definition

the intentional difference between mating parts at

maximum material condition

Term

a positive allowance will result in a

 

a) clearance fit         

b) interference fit     

c) transition fit         

d) none of the above

Definition
a) clearance fit
Term

[image]

referring to the shaft above

a) what is the nominal size

b) what is the basic size    

c) what is the tolerance     

d) what is the allowance    

Definition

a) 25.0             

b) 24.89           

c) 0.13            

d) 0.11 positive

Term
ISO standard measuring temperature is
Definition

20 degrees c

68 degrees f

Term
what is meant by hardness of a metal
Definition
the ability to withstand penetration and plastic deformation
Term
what is meant by ductility of a metal
Definition
ability to be permanently deformed without breaking
Term
what is meant by toughness of a metal
Definition
ability to withstand shock or impact without breaking
Term
what is meant by tensile strength of a metal
Definition
the ability to withstand pull without breaking
Term
what is meant by machinability of a metal
Definition
the easy which a metal can be cut or shaped
Term

channel iron designated C6 x 10.5

 

what does the six represent

 

what does the 10.5 represent

Definition

the 6 is the size from flange to flange

 

the 10.5 is the weight per foot

Term

a) for 6" pipe the size refers to    

   

b) for 24" pipe the size refers to    

 

c) for 3/4" tubing the size refers to

Definition

a) the inside diameter   

 

b) the outside diameter

 

c) the outside diameter

Term

for 1018 steel

 

a) the 10 means 

 

b) the 18 means

Definition

a) plain carbon steel      

 

b) .18 % carbon content

Term

a) low carbon steel has what percentage of carbon

 

b) can or can't be hardened                                

Definition

a) .02 to .30 %        

       

b) can't be hardened

Term

a) medium carbon steel has what % of carbon

 

b) can or can't be hardened                          

Definition

a) .30 to .60 % carbon

 

b) can                       

Term

a) high carbon steel has what % of carbon

 

b) can or can't be hardened                     

Definition

a) .60 to 1.7 % carbon

 

b) can                       

Term

austenitic stainless steel (300 series)

 

a) can it be hardened

 

b) is it magnetic       

Definition

a) can not be hardened

 

b) is non-magnetic      

Term

can ferritic stainless steel (400) series be hardened

 

Definition
no cannot be hardened
Term
can martensitic stainless steel be hardened
Definition
yes it can be hardened
Term
brass is an alloy of copper and ________
Definition
zinc
Term
bronze is an alloy of copper and _______
Definition
tin
Term
what copper alloy is a health hazard
Definition
beryllium bronze
Term
the process of normalizing is similar to _______
Definition
annealing
Term
list quenching mediums in order from least to most sever
Definition

air     

oil     

water

brine

Term
nonferrous metals contain no or little _________
Definition
iron
Term
what are the two types of high speed tool steel
Definition

tungsten (type T)

 

molybdenum (type M)

Term
other than steel what is the most widely used metal in industry
Definition
aluminum
Term
what are fixed (snap) gauges used for
Definition
mass production
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