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Exam Blueprint & Overview
Practice Questions
Question 1
Under O. Reg. 222/01, which certificate class lets a mechanic, without supervision, construct, install, alter, repair, service, maintain or test any class of elevating device except passenger ropeways?
Explanation: Section 10(1) lets an EDM-A holder work without supervision on any class of elevating device in O. Reg. 209/01 except passenger ropeways, provided the mechanic has experience on that class of device. EDM-B (s. 11) covers construction hoists and certain manlifts, EDM-F (s. 15) examining and testing, and EDM-T (s. 16) works under supervision.
Question 2
Under O. Reg. 222/01, when does an elevating device mechanic certificate expire?
Explanation: Section 8(1) of O. Reg. 222/01 says a certificate expires on the second anniversary of the holder's date of birth after it is issued. TSSA requires at least 12 hours of instruction from an accredited training provider every two years to renew.
Question 3
Under O. Reg. 209/01 s. 36, an incident involving an elevating device kills a person or injures one so that a medical practitioner is needed. What must the owner of the device do?
Explanation: Section 36(1)(a) requires the owner to notify the director by telephone immediately. Under s. 36(1)(b) the contractor maintaining the device must submit a written report with full particulars within 24 hours of first becoming aware of the incident.
Question 4
Under the Ontario CAD, how often must Category 1 periodic tests be performed on an elevator?
Explanation: CAD 3.3.4 (8.6.1.2.1(f)(5)): Category 1 tests are performed annually, Category 3 tests every 3 years and Category 5 tests every 5 years. Test dates are anchored to the month and year of the acceptance test.
Question 5
In a traction elevator, what is the weight of the counterweight in relation to the car and its rated load?
Explanation: The counterweight balances the weight of the car and a proportion of the load in the car, often taken as 50 % of the rated load. The share of the rated load at which car and counterweight are in balance is the balancing ratio.
FAQ
The EDM-A certificate issued by the Technical Standards and Safety Authority (TSSA) under Ontario Regulation 222/01. It lets a mechanic, without supervision, construct, install, alter, repair, service, maintain or test any class of elevating device except passenger ropeways.
TSSA administers the EDM-A written exam as a computer-based multiple-choice exam at Prometric test centres, but its public pages do not state the number of questions, time limit or pass mark. Confirm these with TSSA. ExamHub's practice test uses 70% as a study target.
ASME A17.1 / CSA B44 (Safety Code for Elevators and Escalators) as adopted under Ontario's Elevating Devices Code Adoption Document (CAD).
The governor monitors car speed and, if the car exceeds its trip speed, trips the safeties so that they clamp onto the guide rails.
Skilled Trades Ontario lists the elevating devices mechanic apprenticeship at 8,000 hours (about four years): 7,280 hours on the job and 720 hours of in-school training. Mechanic certification itself comes from TSSA.
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