Energy Management Unit 1

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Questions and Answers

What is the primary goal of managing energy?

  • To achieve a direct economic return
  • To minimize economic limits
  • To implement technical changes with minimal disruption
  • To reduce energy costs for competitive advantage (correct)

What is the typical payback period for most opportunities found in an energy survey?

  • Less than ten years
  • Less than a year
  • Less than five years
  • Less than two years (correct)

Why is energy security a crucial aspect of energy management?

  • To mitigate risks associated with temporary shortages or outages (correct)
  • To keep up with rapidly changing energy technology
  • To reduce energy costs
  • To maintain a competitive edge

What is the estimated half-life of state-of-the-art energy technologies?

<p>Ten years (A)</p> Signup and view all the answers

What is a likely consequence of a small decrease in energy supply?

<p>A significant price shock (D)</p> Signup and view all the answers

Why is it essential to have a strategic plan for long-range energy management?

<p>To minimize the risk of major problems (C)</p> Signup and view all the answers

What can infrared cameras be used to find?

<p>Electrical equipment, wet insulation, and roof leaks (B)</p> Signup and view all the answers

What is a good rule of thumb for infrared scans?

<p>If one safety hazard is found, then that has paid for the cost of the scan for the entire facility (A)</p> Signup and view all the answers

Why is a true root-mean-square (RMS) meter preferred for voltmeters or multimeters?

<p>It is necessary for greatest accuracy where harmonics might be involved (C)</p> Signup and view all the answers

What is a common requirement for buildings from many insurers?

<p>Yearly infrared scans (B)</p> Signup and view all the answers

What is a benefit of using a clamp-on feature for measuring currents in conductors?

<p>It is more convenient and relatively inexpensive (A)</p> Signup and view all the answers

What is a useful instrument for determining operating voltages on electrical equipment when the nameplate is worn off or missing?

<p>Inexpensive voltmeter (A)</p> Signup and view all the answers

What is energy efficiency often viewed as?

<p>A resource option like coal, oil or natural gas (C)</p> Signup and view all the answers

What happens to pollution levels when Incandescent lamps are replaced with LED's?

<p>They decrease by 1/8th (C)</p> Signup and view all the answers

Why is energy efficiency important today?

<p>Because it is the most cost-effective means of mitigating global climatic change (B)</p> Signup and view all the answers

What percentage of global primary energy demand is accounted for by the industrial sector?

<p>41 per cent (D)</p> Signup and view all the answers

What is the primary goal of energy efficiency?

<p>To use less energy to perform the same function (D)</p> Signup and view all the answers

Since when has energy efficiency been in practice?

<p>Since the first oil crisis in 1973 (A)</p> Signup and view all the answers

What is a key consideration when selecting an ammeter?

<p>True RMS capability (A)</p> Signup and view all the answers

What is essential for energy management employees to have?

<p>Good communication and motivational skills (B)</p> Signup and view all the answers

What can be estimated by comparing readings from an old non-RMS ammeter and a true RMS ammeter?

<p>Harmonic content (B)</p> Signup and view all the answers

What is a key feature of a portable hand-held wattmeter and power factor meter?

<p>Clamp-on feature (D)</p> Signup and view all the answers

Why are employees in manufacturing plants a valuable resource for energy management?

<p>They know how to make equipment run more efficiently (D)</p> Signup and view all the answers

What was the top-ranked job-related factor in a study done by Hersey and Blanchard in 1977?

<p>Full appreciation for work done (C)</p> Signup and view all the answers

What type of equipment is used to estimate the combustion efficiency of furnaces and boilers?

<p>Combustion analyzer (A)</p> Signup and view all the answers

What is a characteristic of digital combustion analysis equipment?

<p>Provides a combustion efficiency percentage (C)</p> Signup and view all the answers

What is the first step in the energy audit process?

<p>Collecting information about the facility's operation and past record of utility bills (D)</p> Signup and view all the answers

Why are employees' ideas for energy management often unsolicited?

<p>Because there is no mechanism in place for them to have an input (C)</p> Signup and view all the answers

What is an advantage of using a true RMS wattmeter or power factor meter?

<p>Greater accuracy in the presence of harmonics (D)</p> Signup and view all the answers

What is essential for a productive energy management program?

<p>A structured method of soliciting employees' ideas (A)</p> Signup and view all the answers

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