How many degrees is the included angle of the modified square thread?

A) 60 B) 14.5 C) 10 D) 29


C

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The simplest type of lead or guide for a wall is called a ______ lead.

A. return B. half-back C. straight D. rack-back

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Most modern crop varieties are patented to protect the intellectual property of those who developed them

Indicate whether the statement is true or false

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A bumper is 9/16 inch thick, the frame is 1/2 inch thick, and there is 5/16 inch projecting. What length bolt (under-the-head), in inches, is needed?

A. 5/8 B. 7/8 C. 1 1/8 D. 1 3/8

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A refrigeration system designed for the storage of flowers or candy is considered a ____ type.

A. high temperature B. medium temperature C. low temperature D. sharp freezing

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