If high carbon tool steel (about 1.0% carbon) is quenched from only 1200 degrees F. (649 deg. C.), what is the result?
A) No increase in hardness B) Annealing of the metal
C) Martensite will form D) None of the above
A
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A) two B) eight C) four D) six
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Indicate whether the statement is true or false
A whole-house dehumidifier:
A) Is installed in an existing air handler, replacing the evaporator coil. B) Normally conditions one room at a time. C) Requires that a plastic bucket be emptied twice a day. D) Can connect to ductwork to dehumidify the air in the entire house.
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