Tech a States That Valve Bodies Can Be Replaced with Remanufactured

question 61

Multiple Choice

Tech A states that valve bodies can be replaced with remanufactured units. Tech B states that valve bodies can be rebuilt in the shop using some specialized equipment. Who is correct?

• A) Tech A
• B) Tech B
• C) Both A and B
• D) Neither A nor B

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Definitions:

Punctuated Equilibrium

A hypothesis that new organisms or new characteristics of an existing organism appear rather suddenly in geologic terms instead of evolving gradually.

Fossil Record

The totality of fossilized plants and animals found in the earth's crust, providing evidence of past life forms.

Evolution

The observed changes in the fossil record or in living organisms; also used to refer to theories that help explain the observed changes.

Observed Changes

Variations or alterations that have been directly seen or measured in a particular system or environment.