Safety Programs and Concepts

Safety management systems, the hierarchy of controls, hazard and risk analysis, GHS, hazardous energy control, electrical principles, core hazard fundamentals, incident investigation, management of change, indicators and emerging technologies.

5 minutes 5 Questions

In the Associate Safety Professional (ASP) body of knowledge, Safety Programs and Concepts form the foundation for preventing workplace injuries, illnesses, and property losses. A safety program is a structured, documented system that identifies hazards, evaluates risks, and implements controls to …

Concepts covered
Fleet and Driver SafetyConfined SpacesPowered Industrial TrucksPersonal Protective EquipmentProcess Safety FundamentalsElectrical Principles: Ohm's Law and PowerScaffoldingGHS Classification, Labels and Safety Data SheetsInvestigation Data and Chain of CustodyCompressed Gases and Pressure VesselsEngineering versus Administrative ControlsEmerging Technologies in SafetyRisk Matrix Ranking and MitigationHierarchy of Hazard ControlsFishbone, What-If and Checklist AnalysisJob Hazard AnalysisFault Tree AnalysisISO 45001 and ANSI Z10 Management SystemsWorking at HeightsIncident Investigation ProcessLeading and Lagging IndicatorsFailure Modes and Effects AnalysisChange AnalysisSafety Program Development and ElementsHazardous Energy Control and Lockout/TagoutTrenching and Excavation SafetyManagement of ChangeSlips, Trips and FallsHoisting and RiggingMachine GuardingRoot Causes and Contributing Factors
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ASP - Safety Programs and Concepts Example Questions

Test your knowledge of Safety Programs and Concepts

Question 1

A mechanical power press is guarded by a presence-sensing light curtain. During a stroke, an operator reached toward the die. The curtain detected the hand and the press stopped, yet the operator's fingers were still struck. A stopping-time test after the incident showed the brake performing within its rated value. Which factor BEST explains the injury?

Correct Answer: Curtain mounted inside the safety distance set by the press stop time

The curtain detected the hand and the brake met its rated stop time, so the injury means the hand reached the die before the ram stopped. The curtain was mounted closer than the required safety distance, calculated as Ds = K × (Ts + Tc + Tr + Tbm) + Dpf.
Coarse resolution is ruled out because the curtain did detect the hand. Brake wear is ruled out because the stopping-time test showed the brake within its rated value. Muting is ruled out because the curtain was active and triggered the stop during the downstroke.
Key concept: presence-sensing device safety distance based on hand speed and total stopping time (OSHA 1910.217(c)(3)(iii)).

Question 2

A mixing tank had no overflows for years, then overflowed three times, starting two weeks ago. A safety specialist uses change analysis and lists every difference between the trouble-free period and the present. Which listed difference should get the closest examination as the likely cause?

Correct Answer: Level sensor swapped for a new model the day before the first overflow

The level sensor replacement happened the day before the first overflow, so its timing matches the onset of the problem. It also directly affects the variable that failed, tank level control, which makes it the strongest candidate cause.
The operator assignment came five weeks ago, yet the tank ran without trouble for three weeks afterward, which weakens that link. The pump overhaul three months earlier was followed by a long trouble-free period. The raw material lot was switched after two overflows had already occurred, so it cannot explain how the problem started.
Key concept: change analysis, which focuses on the difference whose timing and relevance best match the onset of the problem.

Question 3

A rigging crew performs a trial lift on a machine using a two-leg bridle hitch. When the load rises a few inches off the floor, it tilts noticeably toward one end and the low-side leg appears to carry most of the weight. The supervisor asks the safety coordinator what the crew should do next. Which action is MOST appropriate?

Correct Answer: Land the load and re-rig so the hook is centered over the center of gravity

A load that tilts during a trial lift shows the hook is not directly over the center of gravity, so the crew should land it and re-rig until the hook is centered over the CG and the legs share the load as intended.
Leveling with tag lines puts workers near a suspended, unstable load, and tag lines are meant only to control rotation, not to correct imbalance. Continuing to hoist will not fix the geometry because the load simply hangs with its CG under the hook, keeping the low leg overloaded. Adding a third leg does not guarantee load sharing, since multi-leg hitches are often rated as if only two legs carry the weight.
Key concept: center of gravity and the trial lift in rigging.

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