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. What role does continuing education play in Distribution Systems? → Keeping practitioners current with evolving best practices and new developments
2. What is the purpose of the overhead guard on a forklift? → Protect the operator from falling objects
3. Under OSHA's Hazard Communication Standard, what document provides first aid measures for a specific chemical? → Safety Data Sheet (SDS)
4. During pre-shift inspection, an operator finds one fork is visibly bent at a 5-degree angle. The correct action is to: → Remove the truck from service and tag it for repair
5. What is the function of a pressure relief valve in a pumping system? → To automatically release excess pressure and protect system components from overpressure
6. Which type of bearing failure is characterized by a high-pitched squealing noise? → Lubrication starvation
7. Before starting a forklift, an operator must check that the parking brake is engaged and the gear selector is in which position? → Neutral
8. What does the term 'universal precautions' mean in workplace first aid? → Treating all blood and body fluids as potentially infectious
9. A spill of flammable solvent ignites in a process area. Which action is INCORRECT? → Open windows to ventilate the area
10. Which approach is most effective for problem-solving in Water Quality Testing? → Systematic analysis followed by evidence-based decision making
11. An operator suspects a coworker has fractured their wrist after a fall. The correct first aid action is to: → Immobilize the injury in the position found and seek medical care
12. Which approach is most effective for problem-solving in Distribution Systems? → Systematic analysis followed by evidence-based decision making
13. During a facility emergency, the Emergency Assembly Point (EAP) is primarily used to: → Account for all personnel after evacuation
14. Which GHS (Globally Harmonized System) pictogram indicates an acute toxic hazard on a WHMIS label? → Skull and crossbones
15. An agitator motor trips on overload shortly after startup. Which scenario is LEAST likely the cause? → Process fluid temperature is too high
16. Which instrument on a lift truck indicates the charge level of a battery-powered electric forklift? → State of charge indicator
17. Which maintenance strategy involves replacing components based on time intervals regardless of their condition? → Preventive maintenance
18. What is the purpose of performing a hydrostatic pressure test on repaired piping? → Verify pressure integrity and detect leaks before returning to service
19. A relief valve is found to be leaking slightly at normal operating pressure. What is the MOST likely cause? → The set pressure is too close to operating pressure
20. An operator notices oil pooling under the forklift after parking. The correct response is to: → Take the truck out of service and tag it for maintenance
21. What does a rising amperage reading on a motor suggest during normal operation? → Increasing mechanical load
22. When stacking a load at height, the operator should approach the rack and: → Stop, raise the load, then position precisely with mast controls
23. Secondary containment for chemical storage at water treatment facilities is designed to hold at least what percentage of the largest container's volume? → 100%
24. What is the function of a steam trap in a process system? → Discharge condensate while retaining live steam
25. A coworker's clothing catches fire. What is the correct response sequence? → Stop, drop, and roll — then cool burns with water
26. What does the rated capacity nameplate on a forklift represent? → Maximum weight on level ground with the load centered at 24-inch load center
27. During startup of a heat exchanger, tube-side outlet temperature does not rise as expected. What is the FIRST item to verify? → Shell-side heating medium flow is open and flowing
28. What is the correct procedure when the low fuel warning light illuminates on a propane-powered lift truck? → Safely park the truck and replace the propane cylinder
29. An operator notices that a vessel pressure is slowly rising above its normal operating range with no process change. What is the FIRST response? → Check and adjust the pressure control valve or reduce feed
30. What is the purpose of a chemical feed day tank at a water treatment plant? → To hold a working supply of chemical solution and allow safe, controlled dosing