Test Content & Lesson Curriculum
Certified Water/Wastewater Maintenance Technician II CWWMT-II
| Source | Training Module Title & Description | Lesson No. | Lesson Title |
| Unit | Welding Principles | Lesson 1 | Fundamentals of Welding |
| 417 | Covers fundamentals of welding, discusses welding safety considerations and precautions. Covers both oxyfuel and arc welding equipment. Describes welding techniques and symbols. Discusses ways to avoid weld faults. | Lesson 2 | Welding Safety |
| Lesson 3 | Oxyfuel Welding Equipment | ||
| Lesson 4 | Arc Welding Equipment | ||
| Lesson 5 | Welding Techniques | ||
| Lesson 6 | Avoiding Weld Faults | ||
| Lesson 7 | Welding Symbols | ||
| Unit | Understanding Basic Electricity and Electronics | Lesson 1 | Introduction to Electricity |
| 201 | Introduces electron theory, static electricity, electrons in motion, and magnetism. Covers basic methods of measuring current, voltage and resistance. Explains circuit components: conductors, insulators, resistors, capacitors, and simple Ohm's Law calculations for DC and AC circuits. | Lesson 2 | Static Electricity |
| Lesson 3 | Current Electricity | ||
| Lesson 4 | Magnetism | ||
| Lesson 5 | Current, Resistance and Potential Difference | ||
| Lesson 6 | Electrical Components | ||
| Lesson 7 | Conductors | ||
| Lesson 8 | DC Circuits | ||
| Lesson 9 | AC Circuits | ||
| Lesson 10 | Electronics | ||
| Unit | Operating and Maintaining Single Phase Motors | Lesson 1 | Introduction to Single Phase Motors |
| 207 | Covers the types and operating principles of common single-phase motors. Explains NEMA motor standards. Explains how to identify motor leads on split phase, capacitor-start, capacitor-run, permanent split capacitor, and repulsion motors. Also covers universal motors, shaded pole motors, and other special types, including synchro and servo systems. Gives general maintenance procedures on all single-phase motors. | Lesson 2 | Split-Phase Motors |
| Lesson 3 | Capacitor Motors | ||
| Lesson 4 | Repulsion Motors | ||
| Lesson 5 | Universal Motors | ||
| Lesson 6 | Special Motors | ||
| Lesson 7 | Synchros | ||
| Lesson 8 | Servos | ||
| Lesson 9 | Motor Installation | ||
| Lesson 10 | Motor Maintenance | ||
| Unit | Understanding Basic Mechanics | Lesson 1 | Force and Motion |
| 301 | Covers force and motion, work and energy, and fluid mechanics as applied in industrial maintenance. Explains principles of operation for simple machines, such as the lever, inclined plane, wheel and axle, pulley, and screw. Explains the basic elements of industrial machines, as well as common measurement tools used to monitor and adjust equipment. Covers hand tools, power tools and fasteners, ending with a discussion of ways to reduce friction and wear. | Lesson 2 | Work, Energy, and Power |
| Lesson 3 | Fluid Mechanics | ||
| Lesson 4 | Spimle Machines | ||
| Lesson 5 | Machine Elements | ||
| Lesson 6 | Measuring Tools and Instruments | ||
| Lesson 7 | The Safe Use of Hand Tools | ||
| Lesson 8 | The Safe Use of Portable Power Tools | ||
| Lesson 9 | Fasteners | ||
| Lesson 10 | Friction and Wear | ||
| Unit | Lubricants and Lubrication | Lesson 1 | Principles of Lubrication |
| 302 | Covers a complete lubrication program, including functions and characteristics of lubricants, and effects of additives. Oils, greases, and other compounds used for lubrication are described, as well as their applications. Lubrication methods and recommended storage and handling procedures are included. | Lesson 2 | Lubricant Characteristics |
| Lesson 3 | Additives, Lubricating Action, and Bearing Lubrication | ||
| Lesson 4 | Oils and Their Applications | ||
| Lesson 5 | General-Purpose Grease | ||
| Lesson 6 | Special-Purpose Greases and Dry Film Lubricants | ||
| Lesson 7 | Lubrication Systems and Methods | ||
| Lesson 8 | Automatic Lubrication Methods | ||
| Lesson 9 | Lubrication Storage and Handling | ||
| Lesson 10 | Lubrication Management | ||
| Unit | Selecting & Maintaining Bearings | Lesson 1 | Bearings and Shafts |
| 304 | Covers principles and applications of various types of bearings, including plain journal, ball, and roller bearings. Explains installation, inspection and repair of bearings. Deals with specialized bearings, including powdered-metal, nonmetallic, and hydrostatic bearings. Covers bearings, seals, lubrication, and maintenance practices. | Lesson 2 | Plain Journal Bearings I |
| Lesson 3 | Plain Journal Bearings II | ||
| Lesson 4 | Antifriction Bearings I | ||
| Lesson 5 | Antifriction Bearings II | ||
| Lesson 6 | Ball and Roller Bearings | ||
| Lesson 7 | Specialized Bearings | ||
| Lesson 8 | Carbon | ||
| Lesson 9 | Lubrication | ||
| Lesson 10 | Bearing Maintenance | ||
| Unit | Power Transmission Equipment | Lesson 1 | Belt Drives |
| 303.1 | Covers belt drives, chain drives, gears and gear drives, adjustable-speed drives, shaft alignment, shaft coupling devices, and clutches and brakes. | Lesson 2 | Chain Drives |
| Lesson 3 | Gears | ||
| Lesson 4 | Gears Drives | ||
| Lesson 5 | Adjustable-Speed Drives | ||
| Lesson 6 | Shaft Alignment | ||
| Lesson 7 | Shaft Coupling Devices | ||
| Lesson 8 | Clutches and Brakes | ||
| Unit | Piping Systems | Lesson 1 | Introduction to Piping Systems |
| 306 | Covers piping and tubing systems used for fluid transport in the plant: hydraulic fluid, steam, liquefied product, refrigerant, and water. Shows typical metallic and nonmetallic piping systems, pipe joining methods, and how tubing and hoses differ from piping. Covers valves, pipe fittings, hangers, supports, and insulation, and shows how tubing is sized, fitted, bent, and joined. | Lesson 2 | Metal Pipe |
| Lesson 3 | Nonmetal Pipe | ||
| Lesson 4 | Tubing | ||
| Lesson 5 | Hoses | ||
| Lesson 6 | Fittings | ||
| Lesson 7 | Common Valves | ||
| Lesson 8 | Specialized Valves | ||
| Lesson 9 | Strainers, Filters and Traps | ||
| Lesson 10 | Accessories | ||
| Unit | Understanding Basic Hydraulics | Lesson 1 | Principles of Hydraulics |
| 307 | Covers hydraulic principles, types of hydraulic fluids and their characteristics. Describes components of the hydraulic system and their functions, including: filters, piping, strainers, reservoirs, accumulators, pumps, piping, tubing, and hoses, control valves, relief valve, and actuating devices. | Lesson 2 | Hydraulic Fluid |
| Lesson 3 | Strainers and Filters | ||
| Lesson 4 | Reservoirs and Accumulators | ||
| Lesson 5 | Hydraulic Pumps | ||
| Lesson 6 | Tubing and Fittings | ||
| Lesson 7 | Directional Control Valves | ||
| Lesson 8 | Pressure Control Valves | ||
| Lesson 9 | Cylinders | ||
| Lesson 10 | Hydraulic Motors | ||
| Unit | Understanding Basic Pneumatics | Lesson 1 | Pneumatic Principles |
| 309 | Covers how work, force and energy are applied to principles of pneumatics. Shows operating principles of reciprocating, positive displacement, rotary, and dynamic air compressors. Covers primary and secondary air treatment. Includes valves, logic devices, cylinders, and air motors. | Lesson 2 | Reciprocating Compressors |
| Lesson 3 | Rotary Compressors | ||
| Lesson 4 | Primary Air Treatment | ||
| Lesson 5 | Secondary Air Treatment | ||
| Lesson 6 | Piping, Hoses, and Fittings | ||
| Lesson 7 | Directional Control Valves | ||
| Lesson 8 | Pressure Control Valves | ||
| Lesson 9 | Pneumatic Cylinders | ||
| Lesson 10 | Pneumatic Motors and Rotary Actuators | ||
| Unit | Industrial Rigging Principles and Practices | Lesson 1 | Introduction to Industrial Rigging |
| 318 | Covers techniques and safeguards in the use of rope, chain, hoists, and scaffolding when moving heavy plant equipment and maintaining plant utilities. | Lesson 2 | Wire Rope and Wire Rope Slings |
| Lesson 3 | Chain and Wire Mesh Slings | ||
| Lesson 4 | Fiber Rope and Webbing Slings | ||
| Lesson 5 | Industrial Hoists and Cranes | ||
| Lesson 6 | Operating Practices | ||
| Lesson 7 | Scaffolds and Ladders | ||
| Unit | Maintenance of Mechanical Drives | Lesson 1 | Chain Drives |
| 341 | Covers alignment, particularly coupling alignment. Includes installation and maintenance of mechanical drives, from chain drives to enclosed gear drives. | Lesson 2 | Belt Drives |
| Lesson 3 | Open Gear Drives | ||
| Lesson 4 | Enclosed Gear Drives | ||
| Lesson 5 | Drive Couplings | ||
| WEF | Pumps: Operation & Maintenance | Lesson 1 | Basic Components |
| Identifies the basic components of pumps and pump processes used in water/wastewater systems. Provides an overview of basic pump operation and maintenance, components, centrifugal pumps, displacement pumps, and pumping stations. Describes proven methods of troubleshooting and general safety when working with pumps and motors. | Lesson 2 | Operations | |
| Lesson 3 | Maintenance | ||
| Lesson 4 | Troubleshooting | ||
| Lesson 5 | Centrifugal & Displacement Pumps |
Revision 10/13/2005
Return to IMI Training & Certification Page