Thermodynamics Quiz

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Questions and Answers

Which unit of measurement is used for heat in the International System of Units (SI)?

  • Calorie
  • British thermal unit (BTU)
  • Joule (J) (correct)
  • Watt (W)

What is the symbol used to represent heat in equations?

  • Q (correct)
  • W
  • T
  • S

What is the standard unit for the rate of heating?

  • Watt (W) (correct)
  • Calorie
  • Joule (J)
  • British thermal unit (BTU)

What is the equation for the change in entropy in a system and its surroundings?

<p>ΔS = ΔS' + ΔS'' (A)</p> Signup and view all the answers

Which of the following best describes heat in thermodynamics?

<p>The thermal energy transferred between systems due to a temperature difference. (A)</p> Signup and view all the answers

What is the difference between heat and internal energy in a metal bar?

<p>Heat refers to the energy flowing within the metal bar, while internal energy refers to the energy stored in the microscopic degrees of freedom of the modes of vibration. (C)</p> Signup and view all the answers

What is the formulation of the first law of thermodynamics?

<p>The heat involved in a process is the difference in internal energy between the final and initial states of a system, subtracting the work done in the process. (B)</p> Signup and view all the answers

Which term refers to the multidisciplinary field concerned with the safety, health, and welfare of people at work?

<p>Occupational safety and health (OSH) (A)</p> Signup and view all the answers

What is the estimated annual number of deaths globally due to workplace-related accidents or diseases?

<p>2.78 million (C)</p> Signup and view all the answers

In common-law jurisdictions, what duty do employers have towards their employees?

<p>Duty of care (A)</p> Signup and view all the answers

What is the main focus of occupational health?

<p>Preventing harm from hazards in the workplace (B)</p> Signup and view all the answers

Which organization shares a common definition of occupational health with the International Labour Organization (ILO)?

<p>World Health Organization (WHO) (A)</p> Signup and view all the answers

What is the goal of evidence-based practice in occupational safety and health (OSH)?

<p>All of the above (D)</p> Signup and view all the answers

When did worker's health become a labor-related issue?

<p>All of the above (D)</p> Signup and view all the answers

Which Act in the United Kingdom introduced restrictions on working hours for women in the textile industry and required machinery guarding?

<p>The Act of 1844 (A)</p> Signup and view all the answers

What was the purpose of the Factory Inspectorate in the United Kingdom?

<p>To improve the health of children working in cotton mills (D)</p> Signup and view all the answers

What is the most common work-related injury in the United States?

<p>Occupational hearing loss (A)</p> Signup and view all the answers

Which occupational risk factor has the largest attributable burden of disease according to a study by the World Health Organization and the International Labour Organization?

<p>Exposure to long working hours (A)</p> Signup and view all the answers

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