Block1 - Installation of ICI Air Heating Appliances Self Assessment Flashcards
What should be adjusted to balance the airflow in a ductwork system?
Dampers
What type of humidifier is suitable for non-ducted applications?
Evaporative humidifier
When is ducting for air heaters typically unnecessary?
For make-up air heaters
What is the primary purpose of a direct-fired makeup air heater?
To provide tempered air to replenish exhausted air
What tool is used to measure airflow during ductwork balancing?
Airflow meter
What is the primary resource to consult when installing gas-fired appliances?
Manufacturer’s documentation
What is essential before balancing a ductwork system?
Sealing and insulating ducts
What distinguishes the installation of indirect-fired makeup air heaters?
They require a flue vent for heat exchanger flue passages.
What type of humidifier works by air passing over media with water trickling down?
Evaporative humidifier
What should be considered when installing air and gas piping for a furnace?
Proper supports and flexible connectors
What is the role of a humidistat in a humidification system?
It controls the humidity level based on a set point.
What additional equipment is likely installed with industrial furnaces?
Electrical wiring and controls
What type of burner is commonly used in powder coating booths?
Direct-fired line burner
What is a primary requirement for seismic restraint systems?
Compliance with CSA Standard S832
Which type of mount is recommended for vibration isolation in rooftop equipment?
Roof-mounted isolators
What is typically controlled in a spray booth using a PLC?
Circulation and exhaust fan speeds
What type of humidifier requires treated water due to potential impurities?
Electric steam humidifier (electrode type)
What is typically required when installing a rotary dryer?
Vibration isolation hoses
What document outlines seismic restraint requirements in Canada?
Canadian Standards Association (CSA) Standard S832
What type of kiln uses steam to heat the kiln’s atmosphere?
Conventional kiln
Which type of humidifier uses a heat exchanger to separate boiler steam from the air stream?
Steam-to-steam humidifier
What is a critical consideration when installing a makeup air heater?
Adequate structural support
What is required for seismic restraint installation in Canada?
Installation by a qualified person
What is the primary purpose of atmospheric generators in heat treating?
To minimize oxidation or decarburization of materials
What determines ducting placement for heating or cooling?
Ceiling or floor placement of vents
What is a primary benefit of gas-fired steam humidifiers?
Does not use electricity for heating
What type of filtration is commonly used in a DFMAU?
Bird/leaf screen and particulate filters
What is a key feature of an indirect-fired kiln?
A heat exchanger separates combustion gases from kiln air.
Which type of vibration isolation is commonly used for roof-mounted air handlers?
Roof-mounted vibration isolators
What type of system is typically installed in a direct-fired kiln?
Control systems for temperature and airflow
Which humidification system uses ionic beds to absorb solids from water?
Gas-fired humidifiers
What is the main purpose of a flexible duct connector?
Provide vibration isolation between ductwork and equipment
How do industrial furnaces differ from domestic furnaces?
They mix fuel with air or oxygen for industrial processes.
What is a common maintenance concern for steam-to-steam humidifiers?
Cleaning due to water impurities
Which type of mount is most economical for medium-weight equipment?
Vibration isolation pad mounts
Which of the following is a typical example of a heat exchanger?
Indirect make-up air unit
What is a key purpose of vibration isolation for ICI air heaters?
Prevent damage from vibration transmission
What is the main purpose of a neutralizing tank in condensate treatment?
Adjusting pH levels
Which of the following must always be followed during installation, besides the manufacturer’s specifications?
Local and national codes
Which control system component is necessary for balancing ductwork?
Dampers
What is a primary purpose of insulation in condensate management systems?
To maintain the temperature above the dew point
Which type of dryer is commonly used for food processing?
Tray dryer
Air dryers are primarily designed to:
Remove moisture from products and materials
What is a common characteristic of atmospheric generator installation?
Wiring and controls are installed in operation control rooms.
Which component prevents airflow loss when installing a humidifier?
Airflow proving switch
Why is a drip tray used in fog humidification systems?
To catch water droplets before they enter the air stream
What type of vent placement is most effective for heating?
Floor vents
What are the two stages of a vehicle spray booth?
Spray stage and baking stage
Which vibration isolation method is ideal for low-frequency and highly damped vibration?
Wire rope isolators
What ensures the gas pressure is within the required range?
Gas pressure regulator
Why are filters in a DFMAU typically installed at an angle?
To optimize airflow volume
Which of the following is NOT a type of ICI air heater?
Boilers
What is a key component of a fog humidification system?
High-pressure pumps
What is the first step in installing an ICI air heating appliance?
Determine the appropriate location
What method does an electric steam humidifier use to generate steam?
Electrode or resistance heating
What control ensures air is moving over dispersion tubes in a humidifier system?
Sail switch
What is a high limit sensor’s function in a humidification system?
To prevent exceeding maximum humidity levels
What is typically included in the material list for installation?
Mounting brackets, gas piping, and electrical supplies
What material is often used for vibration isolation pad mounts?
Rubber or dense foam
What must you verify on the rating plate during shipment inspection?
Electric and fuel type requirements
