Residential Mechanical Inspector (M1) Practice Exam

The Residential Mechanical Inspector has the skills and abilities for implementing inspections of the installation, maintenance, and alteration of mechanical systems that are installed and utilized for providing control of environmental conditions and related processes for one-and-two-family dwellings not more than three stories.

The residential mechanical inspector also examines the installation of fuel gas distribution piping and equipment, fuel-gas-fired appliances, and fuel-gas-fired appliance wiring. 

Who should take the exam?

The inspector must be familiar with and understand the basic standards necessary to protect life, health, property, and public welfare. This involves managing the design, construction, installation, material quality, location, operation, and upkeep of mechanical and fuel gas systems. Additionally, the inspector should possess "soft skills," which refer to personal qualities that improve one's capacity to interact positively with others.

Exam Details of Residential Mechanical Inspector (M1)

• Exam Code: M1
• Exam Name: Residential Mechanical Inspector
• Exam Languages: English
• Time Duration: 2-hour limit
• Exam Questions: 60 Questions
• Exam Type: Open Book

Residential Mechanical Inspector (M1) Exam Course Outline 

The Exam covers the given topics  - 

Topic 1: Understand the General Administration 10%

• Project Administration
• Public Information and Legal
• Manufacturer's Installation Instructions

Topic 2: Learn about Heating/Cooling/Water Heaters 21%

• Heating Equipment
• Water Heaters and Boilers
• Cooling and Refrigeration 
• Other Systems

Topic 3: Understand Exhaust and Ventilation Systems 9%

• Exhausts, Fans, and Kitchen Range Hoods
• Clothes Dryer Exhaust
  

Topic 4: Learn about Duct Systems 8%

• Duct Construction and Installation
• Duct and Plenum Use and Application
  

Topic 5: Understand Combustion Air 19%

• Combustion Air

Topic 6: Learn about Chimneys and Vents 18%

• Venting of Fuel-Burning Appliances
• Chimney and Vent Connectors 
• Factory-Built Chimneys and Fireplaces
• Masonry Chimneys and Fireplaces

Topic 7: Understand Fuel Supply Systems 15%

• Fuel Supply Installation and Sizing 
• Fuel System Connections
• Oil Piping and Storage