In a Steam Engine, Steam in a Cylinder Expands Against

question 47

Multiple Choice

In a steam engine, steam in a cylinder expands against a piston, exerting 10 atm of external pressure. The volume of the cylinder increases by 10 L and simultaneously the steam cools, losing 3,000 kJ of energy to the surroundings. What is the change in energy of the steam? (101.3 J  1 L atm)

• A)(  3,010 kJ)
• B)(  3,001 kJ)
• C)(  3,100 kJ)
• D)(  13,135 kJ)
• E)(  2,990 kJ)

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Definitions:

Human Resource Management

The strategic approach to the effective management of people in an organization, focusing on policies and systems to improve employee performance and satisfaction.

Management Turnover

The rate at which an organization's management staff leaves and is replaced over a specific period.

Perceptual Errors

Mistakes in judgment that arise from incorrect interpretation of sensory information.

African-Americans

A cultural and ethnic group in the United States consisting of individuals with origins in the black racial groups of Africa.