Mechanical Energy Conservation

Table of Contents

Chapter 1: Reducing Friction

Topics: Power transmission efficiency; Reducing friction; Lubrication; Seals; Lubricating devices and systems

Learning Objectives:

• Name the three basic parts of mechanical system
• Explain the concept of mechanical efficiency.
• Give examples of the three basic kinds of friction encountered in mechanical systems.
• List at least four purposes of lubrication.
• Define viscosity, viscosity index, and pour point.
• Tell why oil and grease seals are used.

Chapter 2: Cutting Transmission Losses

Topics: Belt, chain, and gear drives; Bearings; Clutches and brakes; Drive couplings; Vibration; Balancing machinery

Learning Objectives:

• Explain why proper bearing lubrication is important.
• Name the drive component responsible for the most power loss.
• List three functions of couplings
• Show how to check coupling alignment.
• Define vibration and explain why vibration control is important.
• Compare and contrast static unbalance and dynamic unbalance.

Chapter 3: Pumps, Fans, and Compressors

Topics: Pump installation, piping, and priming; Bearing lubrication; Improving fan performance; Compressor operation and maintenance

Learning Objectives:

• Tell why proper pump installation is important to energy conservation.
• Describe the problems that can occur if pump bearing lubrication is neglected.
• Demonstrate the proper method of replacing pump packing.
• List the three major maintenance items related to centrifugal pumps.
• Identify several places where energy losses can occur in a fan system.
• Explain how to determine whether a fan is suited to the system in which it is operating.
• Name several maintenance procedures important to efficient compressor operation.

Chapter 4: Elevators and Conveyor Systems

Topics: Drive packages; Conveyor operation; Escalators; Elevators; Maintenance; Safety; Loading docks

Learning Objectives:

• List at least two energy-saving tips to keep in mind when dealing with conveyor operation.
• Explain the purpose of a take-up in a conveyor system.
• Differentiate between unit-handling belt conveyors and bulk-handling belt conveyors.
• Tell how lagging can reduce energy waste.
• Name one type of conveyor that is not capable of wasting energy and explain some of its uses and limitations.
• List the three basic methods used to drive elevators.
• Identify common causes of energy waste at loading docks

Chapter 5: Improving Vehicle Efficiency

Topics: Vehicle selection; Tires; Vehicle operation; Maintenance and repairs; The PM program

Learning Objectives:

• Name the three basic areas offering energy conservation opportunities in vehicles.
• Explain why it is important to use the correct conservation opportunities in vehicles.
• Compare and contrast the applications of IC engine and electric vehicles.
• List as least ten tips for fuel-conscious vehicle operations.
• Describe what a PM program involves and tell why it is important.
• Tell why air cleaner care is important to an energy conservation program.
• Explain the importance of battery maintenance in an electric vehicle.

Request Exam Copies