Term
| What is the most common rule found in a machine shop? |
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Definition
| The #4 Spring-Tempered Rule |
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Term
| A steel rule should be cared for as though it was a ________. |
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Definition
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Term
| What are the 5 common types of rules used in a machine shop? |
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Definition
| Spring-Tempered, Flexible, Narrow, Hook, Short Length |
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Term
| What are the graduations found on a #4 Spring Tempered Rule |
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Definition
| 1/8", 1/16" on one side and 1/32" and 1/64" on the other. |
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Term
| What is a flexible rule good for? |
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Definition
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Term
| What is a narrow rule good for? |
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Definition
| For tight spaces where a normal rule wouldn't fit. |
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Term
| What is a hook rule good for? |
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Definition
| Hooking on the end of a workpiece and measuring the length of a bore. |
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Term
| What are short length rules good for? |
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Definition
| Measuring in confined or hard to reach locations. |
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Term
| If a size falls between graduations use an educated guess to determine the actual size. True/False? |
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Definition
| False. Use successively finer graduations until the work lines up exactly with one of the graduations. Do not try to guess. |
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Term
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Definition
| It is an imperial rule that is graduated in tenths(0.100") twentieths(0.050") and hundredths(0.010") instead of fractional graduations. |
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Term
| What are the graduations on a Metric rule? |
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Definition
| Millimeters and half Millimeters(0.5mm) |
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Term
| What type of measurements does a Caliper do? |
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Definition
| Transfer/Indirect Measurements (Transferring to a direct reading instrument) |
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Term
| The end of a rule can always be used as the reference point for measurements. True/False |
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Definition
| False, only use the end of a rule for reference if the rule is not worn or damaged. |
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Term
| When measuring round pieces you should pivot the rule until you locate the _________. |
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Definition
| When measuring round pieces you should pivot the rule until you locate the largest possible measurement. This dimension is the true diameter of the workpiece. |
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Term
| In practice, when measuring with a rule what is a good place to measure from? |
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Definition
| It is a good practice to measure from the first main graduation, such as the 1" on an imperial rule, or 10mm on a metric rule. Do not forget to subtract that amount from the measurement you take. |
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Term
| When reading a measurement on a tool always be sure to look directly above the graduation. This is to prevent _______ error. |
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Definition
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Term
Steel rules are used:
a) to measure to the nearest 1/64"
b) to measure to the nearest 0.001"
c) only on flat work
d) only on round work |
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Definition
| a) Steel rules are used to measure to the nearest 1/64" |
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Term
A steel rule marked with a number 4 standard rule graduation has:
a) 1/4" and 1/8" graduations on one side and 1/32" and 1/64" graduations on the other
b) 1/8" and 1/16" graduations on one side and 1/32" and 1/64" graduations on the other
c) 1/8" and 1/16" graduations on one side and 1/32" and 1/64" graduations on the other or 1mm and 0.5mm graduations on one side and 0.2mm and 0.1mm on the other.
d) to hook and measure from a shoulder |
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Definition
| b) A steel rule marked with a number 4 standard rule graduation has 1/8" and 1/16" graduations on one side and 1/32" and 1/64" graduations on the other |
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Term
Four (4) types of steel rule used in the machine shop are the:
a) sleeve, metric, spring and toolmaker
b) flexible, outside, caliper and inside
c) spring-tempered, narrow, direct, fractional
d) flexible, short length, narrow and hook |
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Definition
| d) Four (4) types of steel rule used in the machine shop are the flexible, short length, narrow and hook. |
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Term
When using an outside caliper on round work in the lathe:
a) adjust the caliper slowly over the rotating work
b) make sure both legs of the caliper are at right angles to the rotating work
c) adjust the caliper until it just slides over the work with very slight drag
d) force the caliper legs over the work to assure a true consistent reading. |
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Definition
| c) When using an outside caliper on round work in the lathe adjust the caliper until it just slides over the work with very slight drag |
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