CHST Test Exam Questions With 100% Correct Answers 2024, Exams of Advanced Education

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CHST Test Exam Questions With 100%

Correct Answers 2024

Which of the following is NOT considered a significant factor in determining the outcome of an electrocution event? - Correct Answer-1. The amount of electrically resistant material present in work boots and work gloves. A Noise-Hazard Control Program (and associated Hearing Conservation Program) is required under OSHA regulation 29 CFR 1910.95 (Occupational Noise Exposure) where workers may be exposed to noise levels in excess of an eight -hour- time-weighted average of.. - Correct Answer-2. 85 decibels (dB) As per 29 CFR 1910.1001, the allowable eight-hour exposure limit concentration to asbestos fibers is not to exceed which of the following? - Correct Answer-3. 0.1 fibers per cm^3 of air Per OSHA regulations 29 CFR 1910.25-1910.27, the maximum length a single ladder or a single section of ladder may be is.. - Correct Answer-4. No greater than 30 feet

Which of the following is NOT stipulated as a hazardous waste material attribute to which the U.S. Environmental Protection Agency extends a designated waste code (e.g., #D001), as per 40 CFR 261, Subpart C? - Correct Answer-5. Mutagenicity In a construction environment, which of the following types of PPE is most suitable for protecting the eyes against airborne dust? - Correct Answer-6. Safety goggles At what minimum frequency must electrical-insulating gloves be tested to ensure they adequately protect workers against electrical shock? - Correct Answer-7. Every six months The most useful tool that CHST's can potentially use for evaluating system safety levels at smaller-scale worksites is a(n): - Correct Answer-8. Job Safety Analysis (JSA) If 25 or more employees are to be working unserground at the same time, which of the following safety procedures MUST be in effect? - Correct Answer-9. Two separate rescue teams must be available. One within 30 minutes travel and the second within two hours travel

If a five-foot deep trench is dug in clay material, what angle must the trench wall not exceed? - Correct Answer-10. 53 degrees "Lifting Index" (LI) is calculated per which of the following? - Correct Answer-11. Load weight / recommended weight limit "Flash Point" is most accurately defined as which of the following? - Correct Answer-12. The lowest temperature at which a flammable liquid can form an ignitable mixture in air Which of the following does a mobile crane operator NOT need to be aware of in order to ensure a safe lift? - Correct Answer-13. The width of the jib To what part of the body does a body harness typically NOT distribute any significant fall-arrest force? - Correct Answer-

14. Lower back " Recommended weight limit" (RWL) is most accurately defined as which of the following? - Correct Answer-15. The weight that healthy workers could lift for up to eight hours without causing injuries

The Heinrich "incident to injury ratio" model states that for every 330 accidents,---- result in no injuries, ---- cause minor injuries, and ---- cause major injuries. - Correct Answer-16. 300,29, Which of the following is regarded as the "three E's of safety"? - Correct Answer-17. Engineering, Education, Enforcement Total case incident rate ( TCIR) is calculated via which of the following? - Correct Answer-18. (Number of recordable injuries per year x 200,000) / (total hours worked) Which type of incident usually accounts for the highest fatality rate in the construction industry? - Correct Answer-19. Falls According to OSHA regulation 29 CFR 1926.651, a Stairway, ladder, ramp, or other safe means of egress shall be locate in trench excavations that are---- feet or more in depth. - Correct Answer-20. Four feet

Excavation cave-in protection is ALWAYS required when which of the following conditions are met? - Correct Answer-21. The excavation mainly comprises of clay or silt, and is greater than five feet in depth What level of electrical current is enough to potentially result in death? - Correct Answer-22. 75 milliamperes. ---- milliamperes will cause painful to severe shock but death usually does not occur below 75 milliamperes. Which of the following types of construction equipment can NOT make inadvertent contact with overhead power lines? - Correct Answer-23. Bulldozers Which of the following is NOT a recommended course of action for preventing falling -object injuries to workers below a scaffold? - Correct Answer-24. A safety buffer zone of 12 feet around the perimeter of a scaffold, for every 10 feet of elevation, should be employed while the scaffold is in use. Per OSHA regulation 29 CFR 1926.502, when a 200 pound load is applied in a downward direction to the top of the edge of a guardrail , it shall not deflect to a height any less than ----

above the walking or working level. - Correct Answer-25. 39 Inches Which of the following is NOT a type of welding? - Correct Answer-26. Modules welding ----the three common types are oxygen-fuel gas welding , Arc Welding, Resistance welding. Which of the following is a common test used to check for cracks in a grinding wheel? - Correct Answer-27. The "Ring Test". ----When a wheel of 10cm in diameter or less is tapped with a non metallic object it will emit a clear ringing sound if undamaged. Which of the following soil classifications is correct? - Correct Answer-28. Type "B"- Cohesive soil with a moderate compressive strength. Soil classifications are A,B,C, and are all cohesive and start with a high compressive strength, and end with a low compressive strength Electrical "Bonding" is best defined as: - Correct Answer-29. Connecting two or more conductive objects with a conductor to protect against electrocution

According to OSHA regulation 29 CFR 1910.242, the compressed-air pressure limit for cleaning operations shall not exceed---- pounds per square inch. - Correct Answer-30. 30 pounds per square inch or psi Which of the following materials or objects is NOT typically used for electrical grounding? - Correct Answer-31. Ventilation ducts---- Building steel, cold water pipes, or ground rods are typically used in the grounding process Anchor points for personal fall arrests should be capable of holding---- pounds per person. - Correct Answer-32. 5, pounds per person Cranes & Derricks must be clear of power lines by at least ---- feet for voltages up to ---- kV - Correct Answer-33. 10 feet for up to 50 kV or killovolts. ---- add 0.4 inches for every kV over

Whose ultimate responsibility is it to ensure that only well- maintained and operable hand and power tools are utilized on the job site? - Correct Answer-34. The Employer

Which of the following is NOT an OSHA-mandated standard for good housekeeping? - Correct Answer-35. clear scrap lumber and associated debris from passageways and stairwells daily----though the material needs to be cleared there are no clear time intervals prescribed by OSHA Under current laws for workers' compensation, which of the following is NOT categorized as a potential injury category? - Correct Answer-36. Bilateral---- The four categories are partial,total,temporary, and permanent When the body's temperature regulation system fails and sweating becomes inadequate, which of the following heat- related conditions is likely at hand? - Correct Answer-37. Heat Stroke Which of the following is generally NOT regarded by OSHA as a "control method" for preventing work related injuries. - Correct Answer-38. Adherence to the Fair Labor Standards Act (FLSA)---- Control methods would be PPE, engineering controls, administrative controls.

The ISO 14001 environmental management system is built upon which of the following models? - Correct Answer-39. Plan, do, check, act Which of the following is NOT a typical characteristic of a "confined space"? - Correct Answer-40. It is large enough for employee to temporarily enter and perform an assigned task without duress. ----Normal characteristics include: It has limited or restricted entry options, it has a continuous air supply, it is designed for a brief period of human occupancy. Which of the following scenarios is indicative of a hazardous atmospheric environment? - Correct Answer-41. A flammable gas exists at a concentration of 25 percent of its lower flammability limit (LFL) Properly measuring for excessive heat or cold in the workplace (including workers themselves) could possibly entail any or all of the following EXCEPT: - Correct Answer-42. Requesting that workers initially perform scouting surveys of an area prior to performing measurements----A worker should never be asked to enter a potentially adverse area prior to verification that it is safe to do so.

Combustible liquids that are not stored within the confines of a "designated" outside storage area must: - Correct Answer-

43. Be completely surrounded by curb structure or enclosure that is equal to or greater than 6 inches in total height Per OSHA's 29 CFR 1904.6 ( Record-keeping Standard), for how long must a document such as the OSHA 300 log be retained? - Correct Answer-44. Five years following the end of the calendar year that the record covers.----OSHA 300 log is a record of all reportable injuries in the workplace The OSHAS 18000 series of occupational health and safety management system standards have the overarching goal of: - Correct Answer-45. Proactively identifying and responding to risk before an accident occurs A cut-off wheel that has a diameter in the range of 6-12 inches can cut a material with a maximum thickness of: - Correct Answer-46. 1/4 inch---- When you take into account the machine is fully guarded the thickness is decreased Per OSHA 29 CFR 1910.1025, the action level for lead(Pb) exposure is 30 micrograms per cubic meter of air, averaged over an eight hour period. What is the permissible exposure

limit? - Correct Answer-47. 50 micrograms per cubic meter of air, averaged over eight hours Training construction employees on the OSHA Hazard Communication Standard is required: - Correct Answer-48. When a new hazardous material is introduced to the workplace----or in conjunction with an employee's initial assignment to a specific work area A "tagout" process must be employed when an energy- isolation device is not able to be locked out. Which of the following is a typical requisite when implementing the "tagout" process? - Correct Answer-49. Tags must be normalized to a consistent size an shape----should be strong enough to prevent inadvertent detachment and must identify the employee who attached them. Standards for safety glasses are set by which of the following?

• Correct Answer-50. The American National Standards Institute or (ANSI) Under which of the following incident causal factors would "inadequate/substandard work procedure" apply? - Correct Answer-51. Substandard management or oversight practices

The construction health & safety technician can best identify potential workplace hazards via: - Correct Answer-52. Performing a rigorous worksite analysis What type of OSHA violation can result in a fine up to 250, if an employee death occurs? - Correct Answer-53. Willful violation When performing safety calculations, especially in regard to potential falls, which of the following correctly depicts the acceleration of gravity constant? - Correct Answer-54. 32. ft/sec^ Pythagorean Theorum - A^2 + B^2 = C^2 - Correct Answer-55. Remember! Which of the following is typically included in a worksite analysis that addresses potential instances of workplace violence? - Correct Answer-56. A worksite security evaluation A safety intervention is defined as an action to modify how work is conducted with the ultimate goal being to enhance

worker safety and health. Which of the following would NOT be characterized as prototypical "safety intervention"? - Correct Answer-57. Lost time trend evaluations Per OSHA 29 CFR 1910.23, a "floor-hole" is dimensionally defined as: - Correct Answer-58. Between 1 and 12 inches Per ANSI Standards (ANSI/ASSE A1246.2- Slip Resistance on Walking/Working Surfaces), a coefficient of friction close to "0" is regarded as: - Correct Answer-59. Extremely slippery ASTM D 120-09 requires that rubber-insulating gloves for use in live electrical work exceeding----must be----- - Correct Answer-60. 50 volts must be Type- Which of the following is NOT typically considered a potential hazard for vehicles such as bulldozers,backhoes, and forklifts?

• Correct Answer-61. Carbon monoxide overexposure. Overloading, visibility, and tipping are all general hazards Which of the following is NOT an example of "point-of- operation" guarding? - Correct Answer-62. Fiscal guards

At a construction worksite, which of the following is NOT a system or device that is typically employed for limiting Falls? - Correct Answer-63. Pitons and safety cables Which of the following products is often utilized in the workplace for reducing hazards associated with standing for long periods of time? - Correct Answer-64. Anti-fatigue mats Per OSHA protocol , the use of fall-protection equipment must be used when a construction worker is at least---- above the ground. - Correct Answer-65. 6 feet Which of the following is NOT generally considered a control for storing materials safely? - Correct Answer-66. Storing pipes and bars in racks that face main aisles During a rigging inspection, if the throat opening of a hook has increased in excess of ---- percent of the original thoat opening , it should be replaced. - Correct Answer-67. 15 percent An emergency plan should always include procedures for sheltering in place, which does not need to acknowledge

which of the following? - Correct Answer-68. How to evacuate and area or structure when a shelter-in-place event occurs What is the definition of an "on-scene coordinator"? - Correct Answer-69. A person who is in charge of coordinating various agencies and departments to ensure that all needs are responded to during and after an event. Which of the following depicts an accurate statement regarding the natures of "inspections" or "audits"? - Correct Answer-70. The general objective of an inspection is o ensure that a specific task list has been completed at a predefined frequency. Which of the following is typically NOT a tool used by accident investigators at a worksite? - Correct Answer-71. Soil sampling equipment One of the most important facets for re-planning and re- assessing projects cost is that if more than ---- has passed, inflationary and contingency factors should be accounted for.

• Correct Answer-72. 6 months

Which of the following is regarded as a structured "brainstorming" technique to identify hazards of a systematic nature that can be potentially lead to an incident or nonconforming product? - Correct Answer-73. A Hazard and Operability analysis (HAZOP) What is conventionally considered the first step in conducting a job safety analysis? - Correct Answer-74. Spending time observing workers performing the function or task, and developing a list of involved actions OSHA's Voluntary Protection Program (VPP) is a program that requires a company to: - Correct Answer-75. Systematically improve its health and safety management system in a partnership between the employer and workforce. Which of the following is NOT a common initiator for gas leaks? - Correct Answer-76. Filter cartridge mishandling. Structural failures are often attributed to changes in materials over a period of time. Such changes can affect a materials strength and ductility, thus eventually leading to a failure. Which of the following potential influences is typically NOT an

initiator of such destructive changes? - Correct Answer-77. Stress. Corrosion, creep, and shear are all examples. Which of the following is a hazard associated with the handling of high pressure fluids? - Correct Answer-78. Injection trauma Installed ramps must have a slope of less than ---- degrees for the gneral public and less than ---- degrees for handicapped access. - Correct Answer-79. 15 degrees, and 11 degrees Freeze plugs are used with water and water-based liquids to control hydraulic pressure. They operate under the principal of the subject liquid expanding as it approaches its freezing point. As the liquid gets colder and expands, the freeze plug allows it to ----. - Correct Answer-80. Drain Which of the following is NOT typically implemented control for preventing a materials-handling accident? - Correct Answer-81. Creating linear, narrow passageways or lanes for movement of materials outside of work areas

In regard to soil or other earthern material, the "angle of response" is best defined as: - Correct Answer-82. The natural angle that soil forms when it is piled up or when it collapses What is the "range" of the following set of values: 12,3,19,8,37,5,26,44,19? - Correct Answer-83. 41. Range is highest value subtracted by he lowest value. A "leading indicator" is best defined as which of the following? - Correct Answer-84. An objective measure that is used to assess proactive actions taken to improve organizational performance. Which of the following is NOT considered a primary objective of workers' compensation laws? - Correct Answer-85. To institute appropriate accident investigation protocols in order to determine individual culpability What is the most appropriate response for a significant "near miss" that occurs on a worksite? - Correct Answer-86. Responding to it as if it were an injury incident, by completing a root-cause analysis and developing action plans to prevent potential recurrences

Routinely scheduled inspections are integral part of an effective occupational health and safety system. As such, the frequency of inspections must be aligned with the ---- posed by an operation, in conjunction with ----. - Correct Answer-87. Degree of risk, regulatory requirements Which of the following would NOT be considered a "noneconomic" cost associated with an occupational injury? - Correct Answer-88. Administrative or procedural upgrades to deficient work processes Which of the following procedures is NOT typically regarded as a safeguard against machine and tool accidents? - Correct Answer-89. Ensuring proper lockout and tagout protocol while machines or tools are being used Statistical "variance" provides quantitative information about the degree to which a set of data values is spread apart, and also conveys how close an individual value is to the average relative to the other values in the set. "Variance" is thus calculated as which of the following: - Correct Answer-90. (standard deviation) ^

Which of the following is true regarding environmental hazards? - Correct Answer-91. All the above. -Effects often cannot be observed directly -Effects are generally cumulative and typically only appear over time -Radiation can be an environmental hazard Which of the following is NOT a typical mode or type of respiratory protection used in the workplace? - Correct Answer-92. Free oxygen respirator. Types typically used are Air-purifying, Supplied air respirators, self contained breathing respirators. Which of the following should NOT be deemed as a relevant factor when evaluating potential chemical hazards? - Correct Answer-93. Diatomic gases can be more dangerous and volitale. The primary factors are, Compounds or materials that aren't normally hazardous on their own may become hazardous when combined with other substances. And compounds or materials that are known to be generally hazardous may not be dangerous below certain threshold concentrations.

Which of the following is true of personal protective equipment, or PPE? - Correct Answer-94. PPE should never be seen or used as a primary means for controlling hazards Which of the following is NOT a typical route through which a hazardous substance can enter the body? - Correct Answer-95. Diffusion. Ingestion,inhalation,and absorption are typical. Which of the following substances would be appropriate for extinguishing a fire caused by flammable liquids? - Correct Answer-96. Halon The domain of " worksite sanitation" does NOT typically include which of the following: - Correct Answer-97. Garbage disposal Which of the following is NOT considered a "repetitive strain injury"? - Correct Answer-98. Stenosis Which of the following is NOT considered an accurate statement regarding the use of manlift? - Correct Answer-99. An operator or user should avoid using a manlift if they suffer from Reynaud's syndrome.

When developing a maintenance checklist, which of the following should be consulted most heavily in determining what items need to be checked and at what frequency? - Correct Answer-100. Manufacturer specifications or product literature Which of the following is NOT typically employed for controlling exposures to chemical hazards? - Correct Answer-

101. Toxicity reports Which of the following is true for "relief values"? - Correct Answer-102. They close automatically when system pressure returns to normal Which of the following is NOT a typical hazard associated with the use of hand vehicles such as dollies, carts, wheelbarrows, and hand trucks? - Correct Answer-103. Skill of the worker A "lagging" indicator is best defined or exemplified by which of the following? - Correct Answer-104. A metric occurrence that has transpired after a workplace injury has occurred.

Which of the following is true of hand-tool safeguarding? - Correct Answer-105. Bent handles on various hand tools can help prevent tissue compression disorders Which of the following is NOT a typically employed safety measure associated with ladder use? - Correct Answer-106. Placing ladders far enough from a wall so that toes can comfortably be placed on the rungs. Which of the following is generally true regarding the use of hearing protection PPE? - Correct Answer-107. Earmuffs are typically more effective against hearing loss than earplugs. Which of the following is NOT a type of ionizing radiation? - Correct Answer-108. Microwaves. Some examples are Gamma rays, Alpha particles, and X-rays. Which of the following is NOT a typically employed safety measure associated with scaffold use? - Correct Answer-109. Using safety belts or lanyards when working on scaffolding at a height of 15 feet or more above ground level. Safety belts are required after 10 feet

Which of the following actions is considered beneficial to reducing the risk of tripping hazards? - Correct Answer-110. Avoiding changes in elevation that consist of one or two steps At a construction site, which of the following ionizing radiation sources could a worker most likely be exposed to? - Correct Answer-111. Radium and radon within earthen materials Any safety programs that reduces ---- accidents will likewise reduce workers' compensation claims - Correct Answer-118. The frequency and severity of To effectively follow up on and correct audit findings, subject items should be appropriately organized into which of the following categorization groupings? - Correct Answer-112. Nonconformances, areas of concern, opportunities for improvement A well-stocked first-aid kit would ordinarily NOT include the following: - Correct Answer-114. Syringes

The purpose of tracking incidents and collecting data is to use that data as a ---- tool that provides feedback on performance and resultantly guides active response. - Correct Answer-113. Continuous-improvement Risk is best defined as the multiplicative product of which of the following? - Correct Answer-119. Probability x Consequence Which of the following is NOT true regarding a standard normal distribution of data? - Correct Answer-120. 85 percent of the values fall within two standard deviations of the mean of the data set Which of the following is NOT an accurate categorization for explosives, as per U.S. Department of Transportation regulations? - Correct Answer-115. Class "D"- includes fireworks and other minimally hazardous explosives. There are only A,B, and C class going from most volatile to least According to the "Human Factors Theory of Accident Causation", accidents are primarily caused by human error resulting from which of the following groupings? - Correct