OIT Cheat Sheet 2026

The 30 highest-yield OIT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which factor most significantly affects the reliability of assessment findings? → Standardized procedures and consistent methodology
2. Which Ontario Act regulates the safe handling, transportation, and disposal of hazardous waste generated at industrial sites? → Environmental Protection Act
3. A worker notices that a dimension is consistently near the upper control limit on a control chart but never exceeds it. This is BEST described as: → A non-random trend requiring investigation
4. What is a key benefit of being certified in a compulsory trade in Ontario? → Legal eligibility to practice the trade.
5. What does the notation 'TYP' (or 'TYP.') mean when it appears next to a dimension on a blueprint? → The dimension applies to all identical features throughout the drawing
6. What is the purpose of a revision block (revision history) on a technical blueprint? → To record changes made to the drawing after original release, including date and reason
7. What role do union-administered Joint Apprenticeship Committees (JACs) play in Ontario's apprenticeship system? → They help recruit, support, and track apprentices within their respective unionized trades
8. Why is understanding theory important for practical application? → It provides the foundation for informed decision-making and creative expression
9. What is the correct way to handle a tool that has been found defective or damaged? → Tag it out of service and remove it from use until repaired or replaced
10. When should documentation of a service or intervention be completed? → As soon as possible after the service is provided
11. Which financial strategy is most commonly recommended to self-employed industrial tradespeople in Ontario for long-term career security? → Contributing to an RRSP and maintaining a business emergency fund
12. A 'change order' in a construction or industrial project is used to: → Formally document and authorize modifications to the original scope of work
13. In Ontario, which body administers the interprovincial Red Seal trade examination? → Employment and Social Development Canada (ESDC)
14. How long must professional records typically be maintained? → According to state and federal regulations, often 7-10 years or longer
15. Under the Ontario College of Trades and Apprenticeship Act, 2009, which of the following is a key responsibility of the Ontario College of Trades? → Regulating the practice of trades and administering apprenticeship programs in Ontario
16. When completing a daily log in an industrial trades environment, entries should be: → Recorded in real time or as soon as possible after each task
17. Which document legally authorizes a tradesperson to perform compulsory trade work in Ontario? → A Certificate of Qualification (C of Q)
18. In Ontario, what is 'premium pay' (overtime pay) under the ESA? → 1.5 times the employee's regular rate for hours worked over 44 hours per week
19. What is the foundational principle of professional ethics in OIT practice? → Acting in the best interest of the client or patient
20. Under the Ontario Apprenticeship system, who is legally responsible for registering a new apprentice? → The sponsor (employer) and the apprentice jointly, through Skilled Trades Ontario
21. A candidate struggles with blueprint reading questions on practice tests. Which supplementary resource would most directly improve this skill? → Working through drafting and blueprint reading workbooks with practice drawings
22. What is a key requirement to enter an apprenticeship program in Ontario? → A high school diploma or equivalent.
23. What is the correct way to handle a document error discovered after it has been formally signed and submitted? → Issue a formal correction or addendum through the established document control process
24. Which type of fire extinguisher is appropriate for electrical equipment fires? → Class C
25. What is the correct procedure for storing pneumatic tools when not in use? → Disconnect from air supply, clean, and store in a dry location
26. Which action constitutes a breach of client confidentiality? → Sharing client information with unauthorized parties without consent
27. Under Ontario's Occupational Health and Safety Act, who has the primary duty to ensure a safe workplace? → The employer
28. What is the primary purpose of a title block on a technical drawing? → To provide key identification and reference information about the drawing
29. How does understanding the trade's National Occupational Analysis (NOA) help in exam preparation? → It reveals the blocks and tasks weighted in the exam blueprint
30. What type of fire extinguisher is appropriate for a Class C (electrical) fire in an industrial setting? → CO2 or dry chemical extinguisher