This hardness testing system is performed by placing a known load, using a ball of specified diameter, in contact with the material surface. The diameter of the resulting impression in the material is measured.

a. Brinell
b. Rockwell


a. Brinell

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A ground-fault protective device consists of a ground-fault sensor and a ____.

A. relay B. circuit breaker C. transformer D. fuse

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The specialized area of horticulture that deals with the science and practice of producing, processing, and selling high-quality seed is _____ production

A) fertilizer B) seed C) soil D) weed

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What register in the 8085 is always used by IN or OUT instructions to move data in or out of the microprocessor?

A) Register A B) Register B C) Register C D) the Instruction Register

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It is not possible to subtract improper fractions such as 3 1/2 from 7 7/16 using a scientific calculator.

Answer the following statement true (T) or false (F)

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