A Wire Has a Diameter of 0 $\times$ 10¹⁰ N/m²
B)5

question 48

Multiple Choice

A wire has a diameter of 0.75 mm.It is stretched 0.2% of its original length when a mass of 5 kg is hung from it.What is the Young's modulus of the wire?

• A)1.4 \(\times\) 10¹⁰ N/m²
• B)5.6 \(\times\) 10¹⁰ N/m²
• C)1.7 \(\times\) 10¹¹ N/m²
• D)5.6 \(\times\) 10⁸ N/m²
• E)1.4 \(\times\) 10⁸ N/m²

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Definitions:

MTBF

Mean Time Between Failures, a measure of reliability for a system, indicating the average time between failures.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Preventive Maintenance

Scheduled maintenance activities conducted on equipment before faults occur in order to prevent breakdowns and minimize downtime.

Redundancy

The use of components in parallel to raise reliability.