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Bill Nielsen |
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10.
ELECTRICAL: a. Describe the use and function of the following
electrical components: circuit breakers, relays, rheostats, fuses, electrical
switches, and cutouts. b. Describe the dangers and care requirements of electric
motors. 11.
AIR CONDITIONING: a. Describe the psychrometrics of air; list the air
conditioning factors that affect comfort. b. Analyze/demonstrate on a Psychrometric chart the
behaviour of air when subjected to cooling, humidification and dehumidification. c. Explain the different categories of air conditioning
systems. d. Define “Legionnaires Disease”; state the causes
and prevention of this disease. Calculations: The candidate should be able to perform basic
refrigeration calculations to solve for compression capacity, ratio, cylinder
volume, volumetric efficiency, and system tonnage.
Calculation questions will be stated so that they can be
performed either in S.I. or in
Imperial. Practical
Experience: … The
candidate is expected to be able to sketch and describe (in detail) the
equipment they have experience on. This description will include a schematic layout of the
system, an explanation of the types of compressor used, compressor size and
capacities, pressures and temperatures, methods of capacity control, the safety
devices and operational controls installed on the system to ensure safe and
efficient operation. … Provide
a description of the compressor and refrigeration system maintenance procedures
to be in place to ensure safe refrigeration plant operation as well as ensuring
compliance with the required Codes, Act and Regulations. CERTIFICATION INFORMATION Eligibility to Write There are no pre-requisites, however it is expected that
the candidate has started their training, either in a plant and/or in a course
of study, before attempting to write any one of the exams. Practical Time Requirements: (effective June 27, 2001, as per new OE Regulations Practical operating time served shall be in a plant that
is required to be attended by an Operator or Operating Engineer. Please
refer to Table 6 of the Operating Engineers Regulation for plant
rating/capacity. … practical
operating training requirement is 9 months if you haven’t
attended full-time school or worked on refrigeration. … practical
operating time requirement is 8 months for candidates
having successfully completed a full-time TSSA
“approved-for-time-reduction” Refrigeration Operator “B” program at a
training facility. … practical
operating training requirement is 3 months for persons
having extensive experience in the installation and/or servicing
‘registered plant’ refrigeration installations. … practical
operating training requirement is 2 months for those having
extensive experience in the installation and/or servicing
refrigeration installations and also having successfully completed a TSSA
“approved-for-time-reduction” Refrigeration Operator “B” course at a
training facility. Training Providers As a convenience for students, TSSA has compiled a list
of known persons, organizations, and/or institutions offering training
assistance. This list can be found on our web home page under sub topic
“Other” and is entitled “Training Providers”. … As training providers receive “TSSA, approved for time reduction”
status, they will be
identified accordingly on the list,
this list is updated on a continuous basis. NOTE: The list does not imply that these individuals, organizations or institutions have been approved, accredited or endorsed by TSSA, except for reduction of qualifying experience as per the Operating Engineers Regulations and Directors Orders. Again, the list is provided as a convenience only.
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