CWEA MECHANICAL
TECHNOLOGIST GRADE 3
CERTIFICATION EXAM 2026
COMPLETE EXAM QUESTIONS
SOLUTIONS GRADED A+
◉ What tasks are involved in the inspection of water/wastewater plant
mechanical components?
Answer: Assisting in the inspection of pumps, valves, motors, engines,
compressors, actuators, and computerized systems.
◉ What are some mechanical problems that candidates assist in
identifying and troubleshooting?
Answer: Mechanical issues related to pumps, motors, and other
equipment in water/wastewater facilities.
◉ What engine tuning tasks are candidates expected to assist with?
Answer: Adjusting valve clearance, cleaning regulators, inspecting
magnetic points, adjusting engine timing, and checking controls.
◉ What is included in the maintenance and repair of tools and
equipment as per Sub-Domain 1.2?
Answer: Disassembly and reassembly of equipment, cleaning tools, and
maintaining disinfection equipment.
, ◉ What routine maintenance tasks are candidates expected to perform
on moving equipment?
Answer: Cleaning, oiling, and lubricating motors, generators,
compressors, and pumps.
◉ What type of equipment is involved in confined space entries that
candidates assist with?
Answer: Atmospheric monitors and air testers.
◉ What is the purpose of regularly scheduled preventative maintenance
in water/wastewater facilities?
Answer: To ensure the proper functioning of equipment, pipelines, and
valves.
◉ What types of mechanical equipment are candidates expected to
maintain in water/wastewater facilities?
Answer: Large pumps, portable pumps, motors, valves, chemical feed
equipment, and emergency generators.
◉ What is the focus of Sub-Domain 1.3 in the CWEA MT Candidate
Handbook?
Answer: Installation of components and equipment.
◉ What tasks are involved in the design and fabrication of equipment as
per Sub-Domain 2.1?
TECHNOLOGIST GRADE 3
CERTIFICATION EXAM 2026
COMPLETE EXAM QUESTIONS
SOLUTIONS GRADED A+
◉ What tasks are involved in the inspection of water/wastewater plant
mechanical components?
Answer: Assisting in the inspection of pumps, valves, motors, engines,
compressors, actuators, and computerized systems.
◉ What are some mechanical problems that candidates assist in
identifying and troubleshooting?
Answer: Mechanical issues related to pumps, motors, and other
equipment in water/wastewater facilities.
◉ What engine tuning tasks are candidates expected to assist with?
Answer: Adjusting valve clearance, cleaning regulators, inspecting
magnetic points, adjusting engine timing, and checking controls.
◉ What is included in the maintenance and repair of tools and
equipment as per Sub-Domain 1.2?
Answer: Disassembly and reassembly of equipment, cleaning tools, and
maintaining disinfection equipment.
, ◉ What routine maintenance tasks are candidates expected to perform
on moving equipment?
Answer: Cleaning, oiling, and lubricating motors, generators,
compressors, and pumps.
◉ What type of equipment is involved in confined space entries that
candidates assist with?
Answer: Atmospheric monitors and air testers.
◉ What is the purpose of regularly scheduled preventative maintenance
in water/wastewater facilities?
Answer: To ensure the proper functioning of equipment, pipelines, and
valves.
◉ What types of mechanical equipment are candidates expected to
maintain in water/wastewater facilities?
Answer: Large pumps, portable pumps, motors, valves, chemical feed
equipment, and emergency generators.
◉ What is the focus of Sub-Domain 1.3 in the CWEA MT Candidate
Handbook?
Answer: Installation of components and equipment.
◉ What tasks are involved in the design and fabrication of equipment as
per Sub-Domain 2.1?
