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Gas A Level 2 > Block1 - Installation of ICI Air Heating Appliances Self Assessment > Flashcards

Block1 - Installation of ICI Air Heating Appliances Self Assessment Flashcards

1
Q

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

A

Dampers

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2
Q

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

A

Evaporative humidifier

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3
Q

When is ducting for air heaters typically unnecessary?

A

For make-up air heaters

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4
Q

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

A

To provide tempered air to replenish exhausted air

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5
Q

What tool is used to measure airflow during ductwork balancing?

A

Airflow meter

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6
Q

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

A

Manufacturer’s documentation

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7
Q

What is essential before balancing a ductwork system?

A

Sealing and insulating ducts

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8
Q

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

A

They require a flue vent for heat exchanger flue passages.

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9
Q

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

A

Evaporative humidifier

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10
Q

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

A

Proper supports and flexible connectors

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11
Q

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

A

It controls the humidity level based on a set point.

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12
Q

What additional equipment is likely installed with industrial furnaces?

A

Electrical wiring and controls

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13
Q

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

A

Direct-fired line burner

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14
Q

What is a primary requirement for seismic restraint systems?

A

Compliance with CSA Standard S832

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15
Q

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

A

Roof-mounted isolators

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16
Q

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

A

Circulation and exhaust fan speeds

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17
Q

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

A

Electric steam humidifier (electrode type)

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18
Q

What is typically required when installing a rotary dryer?

A

Vibration isolation hoses

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19
Q

What document outlines seismic restraint requirements in Canada?

A

Canadian Standards Association (CSA) Standard S832

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20
Q

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

A

Conventional kiln

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21
Q

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

A

Steam-to-steam humidifier

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22
Q

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

A

Adequate structural support

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23
Q

What is required for seismic restraint installation in Canada?

A

Installation by a qualified person

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24
Q

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

A

To minimize oxidation or decarburization of materials

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25
Q

What determines ducting placement for heating or cooling?

A

Ceiling or floor placement of vents

26
Q

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

A

Does not use electricity for heating

27
Q

What type of filtration is commonly used in a DFMAU?

A

Bird/leaf screen and particulate filters

28
Q

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

A

A heat exchanger separates combustion gases from kiln air.

29
Q

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

A

Roof-mounted vibration isolators

30
Q

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

A

Control systems for temperature and airflow

31
Q

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

A

Gas-fired humidifiers

32
Q

What is the main purpose of a flexible duct connector?

A

Provide vibration isolation between ductwork and equipment

33
Q

How do industrial furnaces differ from domestic furnaces?

A

They mix fuel with air or oxygen for industrial processes.

34
Q

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

A

Cleaning due to water impurities

35
Q

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

A

Vibration isolation pad mounts

36
Q

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

A

Indirect make-up air unit

37
Q

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

A

Prevent damage from vibration transmission

38
Q

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

A

Adjusting pH levels

39
Q

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

A

Local and national codes

40
Q

Which control system component is necessary for balancing ductwork?

A

Dampers

41
Q

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

A

To maintain the temperature above the dew point

42
Q

Which type of dryer is commonly used for food processing?

A

Tray dryer

43
Q

Air dryers are primarily designed to:

A

Remove moisture from products and materials

44
Q

What is a common characteristic of atmospheric generator installation?

A

Wiring and controls are installed in operation control rooms.

45
Q

Which component prevents airflow loss when installing a humidifier?

A

Airflow proving switch

46
Q

Why is a drip tray used in fog humidification systems?

A

To catch water droplets before they enter the air stream

47
Q

What type of vent placement is most effective for heating?

A

Floor vents

48
Q

What are the two stages of a vehicle spray booth?

A

Spray stage and baking stage

49
Q

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

A

Wire rope isolators

50
Q

What ensures the gas pressure is within the required range?

A

Gas pressure regulator

51
Q

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

A

To optimize airflow volume

52
Q

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

A

Boilers

53
Q

What is a key component of a fog humidification system?

A

High-pressure pumps

54
Q

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

A

Determine the appropriate location

55
Q

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

A

Electrode or resistance heating

56
Q

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

A

Sail switch

57
Q

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

A

To prevent exceeding maximum humidity levels

58
Q

What is typically included in the material list for installation?

A

Mounting brackets, gas piping, and electrical supplies

59
Q

What material is often used for vibration isolation pad mounts?

A

Rubber or dense foam

60
Q

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

A

Electric and fuel type requirements

Gas A Level 2 (22 decks)

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