Block1 - Installation of ICI Air Heating Appliances Self Assessment

Question 1

What should be adjusted to balance the airflow in a ductwork system?

Answer 1

Dampers

Question 2

What type of humidifier is suitable for non-ducted applications?

Answer 2

Evaporative humidifier

Question 3

When is ducting for air heaters typically unnecessary?

Answer 3

For make-up air heaters

Question 4

What is the primary purpose of a direct-fired makeup air heater?

Answer 4

To provide tempered air to replenish exhausted air

Question 5

What tool is used to measure airflow during ductwork balancing?

Answer 5

Airflow meter

Question 6

What is the primary resource to consult when installing gas-fired appliances?

Answer 6

Manufacturer’s documentation

Question 7

What is essential before balancing a ductwork system?

Answer 7

Sealing and insulating ducts

Question 8

What distinguishes the installation of indirect-fired makeup air heaters?

Answer 8

They require a flue vent for heat exchanger flue passages.

Question 9

What type of humidifier works by air passing over media with water trickling down?

Answer 9

Evaporative humidifier

Question 10

What should be considered when installing air and gas piping for a furnace?

Answer 10

Proper supports and flexible connectors

Question 11

What is the role of a humidistat in a humidification system?

Answer 11

It controls the humidity level based on a set point.

Question 12

What additional equipment is likely installed with industrial furnaces?

Answer 12

Electrical wiring and controls

Question 13

What type of burner is commonly used in powder coating booths?

Answer 13

Direct-fired line burner

Question 14

What is a primary requirement for seismic restraint systems?

Answer 14

Compliance with CSA Standard S832

Question 15

Which type of mount is recommended for vibration isolation in rooftop equipment?

Answer 15

Roof-mounted isolators

Question 16

What is typically controlled in a spray booth using a PLC?

Answer 16

Circulation and exhaust fan speeds

Question 17

What type of humidifier requires treated water due to potential impurities?

Answer 17

Electric steam humidifier (electrode type)

Question 18

What is typically required when installing a rotary dryer?

Answer 18

Vibration isolation hoses

Question 19

What document outlines seismic restraint requirements in Canada?

Answer 19

Canadian Standards Association (CSA) Standard S832

Question 20

What type of kiln uses steam to heat the kiln’s atmosphere?

Answer 20

Conventional kiln

Question 21

Which type of humidifier uses a heat exchanger to separate boiler steam from the air stream?

Answer 21

Steam-to-steam humidifier

Question 22

What is a critical consideration when installing a makeup air heater?

Answer 22

Adequate structural support

Question 23

What is required for seismic restraint installation in Canada?

Answer 23

Installation by a qualified person

Question 24

What is the primary purpose of atmospheric generators in heat treating?

Answer 24

To minimize oxidation or decarburization of materials

Question 25

What determines ducting placement for heating or cooling?

Answer 25

Ceiling or floor placement of vents

Question 26

What is a primary benefit of gas-fired steam humidifiers?

Answer 26

Does not use electricity for heating

Question 27

What type of filtration is commonly used in a DFMAU?

Answer 27

Bird/leaf screen and particulate filters

Question 28

What is a key feature of an indirect-fired kiln?

Answer 28

A heat exchanger separates combustion gases from kiln air.

Question 29

Which type of vibration isolation is commonly used for roof-mounted air handlers?

Answer 29

Roof-mounted vibration isolators

Question 30

What type of system is typically installed in a direct-fired kiln?

Answer 30

Control systems for temperature and airflow

Question 31

Which humidification system uses ionic beds to absorb solids from water?

Answer 31

Gas-fired humidifiers

Question 32

What is the main purpose of a flexible duct connector?

Answer 32

Provide vibration isolation between ductwork and equipment

Question 33

How do industrial furnaces differ from domestic furnaces?

Answer 33

They mix fuel with air or oxygen for industrial processes.

Question 34

What is a common maintenance concern for steam-to-steam humidifiers?

Answer 34

Cleaning due to water impurities

Question 35

Which type of mount is most economical for medium-weight equipment?

Answer 35

Vibration isolation pad mounts

Question 36

Which of the following is a typical example of a heat exchanger?

Answer 36

Indirect make-up air unit

Question 37

What is a key purpose of vibration isolation for ICI air heaters?

Answer 37

Prevent damage from vibration transmission

Question 38

What is the main purpose of a neutralizing tank in condensate treatment?

Answer 38

Adjusting pH levels

Question 39

Which of the following must always be followed during installation, besides the manufacturer’s specifications?

Answer 39

Local and national codes

Question 40

Which control system component is necessary for balancing ductwork?

Answer 40

Dampers

Question 41

What is a primary purpose of insulation in condensate management systems?

Answer 41

To maintain the temperature above the dew point

Question 42

Which type of dryer is commonly used for food processing?

Answer 42

Tray dryer

Question 43

Air dryers are primarily designed to:

Answer 43

Remove moisture from products and materials

Question 44

What is a common characteristic of atmospheric generator installation?

Answer 44

Wiring and controls are installed in operation control rooms.

Question 45

Which component prevents airflow loss when installing a humidifier?

Answer 45

Airflow proving switch

Question 46

Why is a drip tray used in fog humidification systems?

Answer 46

To catch water droplets before they enter the air stream

Question 47

What type of vent placement is most effective for heating?

Answer 47

Floor vents

Question 48

What are the two stages of a vehicle spray booth?

Answer 48

Spray stage and baking stage

Question 49

Which vibration isolation method is ideal for low-frequency and highly damped vibration?

Answer 49

Wire rope isolators

Question 50

What ensures the gas pressure is within the required range?

Answer 50

Gas pressure regulator

Question 51

Why are filters in a DFMAU typically installed at an angle?

Answer 51

To optimize airflow volume

Question 52

Which of the following is NOT a type of ICI air heater?

Answer 52

Boilers

Question 53

What is a key component of a fog humidification system?

Answer 53

High-pressure pumps

Question 54

What is the first step in installing an ICI air heating appliance?

Answer 54

Determine the appropriate location

Question 55

What method does an electric steam humidifier use to generate steam?

Answer 55

Electrode or resistance heating

Question 56

What control ensures air is moving over dispersion tubes in a humidifier system?

Answer 56

Sail switch

Question 57

What is a high limit sensor's function in a humidification system?

Answer 57

To prevent exceeding maximum humidity levels

Question 58

What is typically included in the material list for installation?

Answer 58

Mounting brackets, gas piping, and electrical supplies

Question 59

What material is often used for vibration isolation pad mounts?

Answer 59

Rubber or dense foam

Question 60

What must you verify on the rating plate during shipment inspection?

Answer 60

Electric and fuel type requirements