Decide Whether Each of These Statements Is True (T) or False

question 7

Multiple Choice

Decide whether each of these statements is True (T) or False
Copper has a linear coefficient of expansion of 0.000 017 /K and aluminium a linear coefficient of expansion of 0.000 023 /K.
(i) With equal length copper and aluminium wires exposed to the same increase in temperature, the aluminium will increase in length more than the copper.
(ii) To give the same increase in length for copper and aluminium wires for the same increase in temperature, the copper wire will need to be 1.35 time

• A) (i) T (ii) T
• B) (i) T (ii) F
• C) (i) F (ii) T
• D) (i) F (ii) F

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Definitions:

Cumulative Lead Time

The total time required to manufacture a product, including the time to procure all necessary materials and components.

Component Y

A hypothetical or specific part of a larger system or machine, typically referred to in the context of manufacturing, assembly, or engineering projects.

Part Z

A hypothetical or specific component within a larger system or product, often used to discuss or analyze a particular aspect of a process or design.

Gross Material Requirements Plan

A schedule that shows the total demand for an item (prior to subtraction of on-hand inventory and scheduled receipts) and (1) when it must be ordered from suppliers, or (2) when production must be started to meet its demand by a particular date.