Metric or Standard?(Test yourself!)

[Conrad Hoffsommer]

At 09:41 10/21/2004 -0700, you wrote:
>Are you Standard System literate? Are you Metric System literate?
>
>By answering the following question, you can determine objectively which 
>is the right system for YOU:  (I am assuming there is no right system for 
>everyone!)
>
>
>"Standard" System:
>You have a # 12 size screw and you want to drill the clearance hole .020" 
>larger than the screw shank.  Which drill do you use?
>a) #1 size drill bit
>b) "A"  size drill bit
>c) 15/64 " drill bit
>
>Metric System:
>You have a 5.5 mm screw and want to drill the clearance hole 0.2 mm larger 
>than the screw shank.  Which drill do you use?
>a) 57 mm drill bit
>b) 5.7 mm drill bit
>c) 5.3 mm drill bit
>
>Remember, no peeking  in books, charts, and tables :^)
>Jurgen Goering


Love it!!

I cheated BIG TIME...

For "standard":

#12 screw shank is 7/32" or .21875
add .020" = .23875"

A = .2340
15/64 = .2344
B = .2380
6.1mm = .2402

Answer - none of the above, though if you wiggle the "B" a bit you can do it.
;-}






Conrad Hoffsommer, RPT, MPT, CCT, PFP, ACS, CRS.
Decorah, IA

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