Vibrations in the Tubes of a Shell and Tube Heat

question 27

Multiple Choice

Vibrations in the tubes of a shell and tube heat exchanger is induced due to the

• A)Flow of fluid on the tube and shell sides
• B)Oscillations in the flow of shell/tube sides fluid
• C)Vibrations transmitted through piping and/or supports due to external reasons
• D)All (A), (B) and (C)

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Definitions:

Variable Costing

An accounting method where only variable production costs are included in product costs, with fixed overhead treated as a period cost.

Net Operating Income

A monetary measurement that determines an organization's profit by deducting operational costs from its operational revenue.

Absorption Costing

A costing method that includes all manufacturing costs (direct materials, direct labor, and both variable and fixed manufacturing overhead) in the cost of a product.

Contribution Format

A way of presenting an income statement where variable and fixed costs are shown separately, highlighting the contribution margin.