Technician a Says Fatigue Breaks Are the Most Common Type

question 58

Multiple Choice

Technician A says fatigue breaks are the most common type of bolt failure. Technician B says overtightening the bolt causes a fatigue break. Who is more correct?

• A) A only
• B) B only
• C) both A and B
• D) neither A nor B

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Definitions:

DNA Or RNA

Molecules that contain the genetic information for the synthesis of proteins and control of cellular activities; DNA is double-stranded while RNA is typically single-stranded.

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Biological catalysts that speed up the rate of chemical reactions in the body without being consumed or permanently altered.

Electric Spark

A sudden discharge of electricity through the air, producing a bright flash of light and often accompanied by a sharp crackling sound, typically occurring when a high voltage is applied across a gap in a circuit.

Miller-Urey Experiment

A landmark experiment conducted in 1953 that simulated the conditions thought to exist on early Earth, demonstrating that organic compounds could be formed from inorganic compounds.