OSHA 30 Hour Construction Industry Outreach: FINAL EXAM QUESTIONS WITH DETAILED CORRECT ANSWERS

___ has long been used in the construction industry due to its high tensile strength, flexibility, and resistance to heat - correct answers asbestos the permissible exposure for asbestos is: - correct answers o.1 ___ is a type of cancer that affects the abdominal lining or the chest cavity lining. Asbestos exposure is the leading cause of this type of cancer - correct answers mesothelioma which of the following would qualify as a high-risk activity? - correct answers removing air-handling equipment in buildings where fireproofing material includes asbestos which of the following is a common task that could expose workers to lead? - correct answers removing old paint to reduce the risk of lead exposure, employers should __ the lead w/ a nontoxic material that adheres to the surface - correct answers encapsulate in any work area where exposure to lead exceeds the permissible exposure limit, which of the following signs must be posted? - correct answers all the above which of the following characteristics made lead attractive for use in the construction - correct answers all the above when lead enters the body, it enters the __ which distributes it to various organs and tissues - correct answers bloodstream what is the type of dust that is the cause of silicosis? - correct answers respirable crystalline silica when ___ is inhaled, especially when accompanied by smoking, there is a higher risk for workers to develop lung cancer than either factor alone - correct answers silica what is the permissible exposure limit for respirable crystalline silica? - correct answers 50 The ___ is the average exposure to a contaminant over a set period of time - correct answers time-weighted average which of the following would be an inappropriate location to conduct any welding operation? - correct answers all the above which of the following is especially prone to being ignited by sparks while welding? - correct answers tears, snags, rips, or worn spots on clothing ___ refers to linking cylinders of compressed gas together into a service pipe system - correct answers manifolding which of the following is crucial for safety when welding in a confined space? - correct answers gas cylinders must be left outside the space hoses and hose connections should be able to withstand ___ the pressure they usually experience - correct answers twice a __ with overload protection is required for each outlet that will be connected to a portable welding machine - correct answers disconnect switch ARC welding is powered by ___ - correct answers electricity a __ is placed on a tank to protect the valves from damage or from oil and grease - correct answers valve protection cap the right eye protection should: - correct answers all the above which type of tools are powered by compressed air? - correct answers pneumatic work conducted near flammable gasses or explosive materials must be conducted with ___ tools - correct answers spark-resistant the maximum amount of weight a jack can lift is called its: - correct answers manufacturer's safe operating pressure which type of switch will shut off when the user releases it? - correct answers constant pressure switch prior to grinding or cutting with an abrasive wheel tool, be sure to: - correct answers let the tool come up to speed scaffold__ are the workers qualified to design scaffolds - correct answers designers Guardrails or Personal Fall Arrest System are required on scaffolds that: - correct answers exceed ten feet in height ___ are encased in a protective housing that extends and retracts automatically, which increases mobility and may reduce the risk of tripping - correct answers self-retracting lifelines plasterers' scaffolds, horse scaffolds, and window jack scaffolds are all examples of which type of scaffolding? - correct answers speciality the maximum height at which a ___ scaffold should be placed is 20 feet - correct answers ladder jack an interior hung scaffold is an example of which type of scaffolding? - correct answers suspended which of the following conditions must be met before moving a mobile scaffold while workers are on it? - correct answers all the above which must be installed halfway between the top of the guardrail and the work surface? - correct answers mid rail a suspension scaffold that uses a two-point swing-stage anchorage is preferably accessed from - correct answers the roof employer's are responsible for identifying foreseeable hazards associated w/ emergencies or nonroutine situations. Which of the following would be an example of this? - correct answers structural collapse ___ are awarded to provide training and education programs for employers and workers on the recognition, avoidance, and prevention of safety and health hazards in their workplace and to inform workers of their rights and employers of their responsibilities under the occupational safety and health (OSH) act - correct answers susan harwood training grants which grants are intended to assist organizations that have demonstrated a potential for meeting OSHA's training objectives but that need to assess their capabilities, needs, and priorities, and formulate objective before moving forward into developing a full-scale program? - correct answers pilot grants OSHA's voluntary protection programs - correct answers recognize employers and workers in the private industry who have implemented effective safety and health management systems and maintain injury and illness rates below national bureau of labor statistics averages for their respective industries which of the following - correct answers all the above the hierarchy of controls specifies that which of the following should be the last resort to protect workers from hazards? - correct answers ppe a __ sign must have red as the dominant color for the upper panel, a black outline on the borders and a white. lower panel for additional sign wording - correct answers danger the operator was thrown. from the machine and was fatally crushed between the machine and the ground. What would have prevented this fatality? - correct answers rollover protective structure together with a seatbelt a majority of fatalities that occur in road construction work zones involve a worker___ a piece of construction equipment or another vehicle - correct answers being struck by the three categories of traffic signs are regulatory, guide, and ___ - correct answers warning which of the following would be appropriate location for a road sign - correct answers unpaved shoulders all rollover protective structures must be able to support at least ___ times the weight of the vehicle at the point where it would be impacted - correct answers two the design of a rollover protective structure must provide a vertical clearance of at least ___ inches from the work deck to the ROPS, at the point of ingress or egress - correct answers 52 rollover protective structures are required for which of the following - correct answers all the above vehicles must be equipped with which type of brakes - correct answers all the above which of the following is a good practice to use while lifting materials - correct answers all the above conveyors should be equipped with which of the following - correct answers all the above ___ must be placed on timbers or cribbed so as to spread the eight of the crane and the load over a large enough area - correct answers outriggers when moving a load manually, a worker must ask for assistance if the load is: - correct answers bulky to the extant that it cannot be seen over or around ___ causes the force to be multiplied and can exceed the rated capacity of the sling or chain even through the load weight is a fraction of the capacity - correct answers jerking the load rather than slowly picking it up when stacking ___ interlocking rows should be used to minimize the risk of any becoming destabilized and falling - correct answers bags and bundles a temporary combustible structure should never be placed closer than ___ feet from any other building - correct answers 10 which class of fire extinguisher should be used on a grease fire? - correct answers Class B deflagration is rapid combustion that results from___ - correct answers dust particles suspended in the air a fire protection plan should include which of the following information? - correct answers all the above what is the number one cause of fire related deaths? - correct answers smoke inhalation which of the following elements is required for a fire to take place - correct answers all the above ___ soil has a high clay content and is very durable and strong - correct answers cohesive ___ refers to the soil removed from an excavation - correct answers spoils which of the following is an example of the dangers posed by excavations? - correct answers all the above oxygen concentration in the air is considered deficient if ti drops below - correct answers 19.5% before excavation work begins, employers mus - correct answers all the above submerged soil or soil from which water is freely oozing may be classified as __ soil - correct answers type c heaving or squeezing would be indicated by which of the following signs? - correct answers bulge at the bottom which method of protection involves vertical sidewalls with horizontal struts? - correct answers trench boxes shaping a moist or wet sample of soil into a ball and rolling it into threads is called a ___ test - correct answers plasticity ____ refers to the practice of regularly reassigning employees to different tasks to avoid repetitive motion injuries - correct answers job rotation which of the following is an example of a environmental risk factor - correct answers all the above Which personal protective equipment can reduce the risk of pressure points? - correct answers Knee and Elbow pads providing a ladder or scaffold to help employees reach tools or materials is an example of ____ control - correct answers enginnering ____ refers to the amount of time allocated to rest the muscles and tendons in any strained part of the body - correct answers recovery time carpal tunnel syndrome, tendinitis, and lower back pain are common examples of - correct answers musculoskeletal disorders which of the following is an example of conditions that may limit the load rating of a crane? - correct answers the crane is not placed on level ground ____ refers to the point in an object around which its weight is evenly distributed - correct answers center of gravity when must a signal person be used? - correct answers the crane operator's view is obstructed when is it acceptable to use a personnel platform to raise and lower workers? - correct answers other means of access are more dangerous Cranes and derricks installed on floating surfaces must have a ___ placed where it can be easily seen by the operator - correct answers boom angle indicator the ___ oversees and directs all crane assembly and disassembly operations - correct answers assembly/disassembly director ____ are the wheels on a crane with open grooves that ropes or cables fit around - correct answers sheaves a ___ provides something to hold onto should a personnel platform shift unexpectedly - correct answers grab-rail which of the following could cause a crane to topple even when lifting load within its maximum range? - correct answers inadequate ground conditions which of the following would, in addition to the conditions for a confined space, also constitute a permit-required confined space? - correct answers it contains or might contain a hazardous atmosphere ____ refers to a ____ hazard in which liquids or loose materials that can behave like a liquid draw a worker into their flow, sometimes leading to asphyxiation - correct answers engulfment... physical which of the following would be an example of non-entry rescue? - correct answers a retrieval line hooked to an entrant in a permit space a ____ employer is the employer that owns or manages the property where the construction work is taking place - correct answers host authorized entrants must do which of the following? - correct answers all of the above a confided space meets which of the following conditions? - correct answers all the above the ____ is responsible for maintaining an accurate count of authorized entrants in a permit space - correct answers attendent which of the following is an accepted method of determining when it is safe to remove concrete formwork? - correct answers the concrete's compressive strength has been properly tested shoring for concrete operations should be - correct answers all the above employees should be allowed to ride in a concrete bucket: - correct answers never _____ must have pipe supports designed for 100% overload - correct answers concrete pumping systems a limited access zone for masonry construction should - correct answers all the above who should be present in a building where a jacking operation is taking place? - correct answers only employees essential to the jacking operation the max intended load rating for portable ladders should be at least __ - correct answers 200 lbs which of the following ladder materials should be avoided when working near power lines? - correct answers all of these ____ refers to the point at which the structural members of a ladder lose their ability to carry a load - correct answers load refusal when using ladders, you should - correct answers face the ladder handrails should come up no more than ___ inches and no less than ___ inches from the tread of the stairway - correct answers 37...30 handrails must be provided to all stairways that have ___ or more risers, or are higher than 30 inches - correct answers four stairs should be installed between ___ and ___ degrees from horizontal - correct answers 30...50 employers must provide a stairway or ladder if the elevation between two surfaces on a site is ___ inches or more - correct answers 19 ladder rungs should be spaced between ____ and ___ inches apart - correct answers 10...14 one responsibility of the employer is to consider if there are any other, less toxic chemicals that could perform a similar job. This process is called: - correct answers product substitution the skull-and-crossbones pictogram in the hazard communication standard refers to - correct answers fatal or toxic _______ develop as a result of long-term exposure to dangerous materials like silica - correct answers chronic health effects symptoms of pallor, tiredness, weakness, insomnia, headache, and nervous irritability are associated with exposure to which of the following - correct answers lead how should loose lead particles be removed from protective clothing? - correct answers vacuuming sanding, sawing, cutting, or grinding masonry materials can often produce which of the following - correct answers silica to find the proper firefighting measures for a hazardous substance on a worksite, employees should be able to - correct answers safety data sheet the hazard communication standard includes which of the following - correct answers all of the above the hazcom requires all of the following to be included on chemical labels expect - correct answers safety data sheets employers must be sure the workers' lead exposure does not remain above the permissible exposure level for more than ___ hours - correct answers 8 work w asbestos is divided into four classes, ranging from class ___ to class ___ in ascending order of hazard - correct answers one to four the minimum temperature at which a liquid produces enough vapor to form a flammable mixture is called ___ - correct answers flashpoint which of the following is an example of a physical hazard for which employers must provide PPE? - correct answers sharp objects ___ are a type of eye protection that completely encloses the eyes and the facial area immediately surrounding eyes - correct answers safety googles which of the following characteristics must be present on all hard hats? - correct answers suspension system which of the following is the employee's responsibility? - correct answers wearing PPE and required and trained ___ respirators a filter to purify the air as the worker breathes it in - correct answers air purifying who is responsible for providing training employees on possible hazards and the appropriate PPE? - correct answers the employer the units "decibels" are used to measure ___ - correct answers loudness when workers may be exposed to ___ employers must also provide ___ within no more than 10 seconds of the worksite - correct answers corrosive materials... eyewash station the new ASTM standards for footwear specify that it should: - correct answers all of the above a __ can occur when you repeat the same movement again and again over a long period of time - correct answers repeaitive motion injury a personal fall-arrest system must be secured properly to a - correct answers anchorage point when a crane is moving a load, it operates within a ___: if a worker is within that area, he or she could be caught-in-between the crane or its load and either the ground, or another piece of equipment - correct answers swing radius a ___ protects you from shock by detecting differences in current as small as 5 milliamps between the amount of electricity flowing into a circuit and the amount flowing out - correct answers gfci ___ are common cause of struck-by accident at worksites and can sometimes be prevented by using back-up alarms - correct answers heavy vehicles fall protection measures are required when workers are exposed to a possible fall of ___ or more to a lower level - correct answers 6 feet locking-out, tagging-out refers to the practice of: - correct answers all of the above which of the following is true of an arc flash? - correct answers all of the above which of the following can be used to protect a trench 5-feet or more in depth? - correct answers all of the above which of the following is an example of a passive fall protection system? - correct answers all of the above a ____ lanyard fall-arrest system slows and eventually stops descent and absorbs the forces that could otherwise injure the worker - correct answers shock absorbing ___ must be capable of supporting at least 2.5 times the load being lifted - correct answers jacking equipment Cranes, ladders, scaffold, backhoes, and paint rollers all present which type of electrical hazard at a worksite - correct answers contact w overhead power lines electrical power tools must be __ by a 3-wire cord, __ insulated, powered by a low-voltage transformer, or powered by a self-contained ___ - correct answers grounded... double... battery MOT zone in traffic control plan provides the first indication to motorists that there is upcoming construction work is called the ___ - correct answers advanced warning area to calculate the risk of an accident, multiply the probability it will occur by its potential - correct answers severity which of the following is an example of the indirect costs of an accident? - correct answers lost productivity due to the injury which of the following accident theories is considered too simplistic and is rarely used? - correct answers single factor theory which of the following accident theories divides an accident into three phases: pre-contact, contact, and post-contact? - correct answers domino theory which of the following accurately describes the "5 whys" accident investigation technique? - correct answers asking why 5 or more times, building each increasingly specific questions about the accident on the previous answer if an accident w/ $8,000 direct costs has an indirect cost ratio of 1.2, what would the total cost of the accident be? - correct answers $17,600 which of the following is the employer's responsibility? - correct answers all the above osha does not cover ___ businesses - correct answers self-employed if ___ feel they have been unfairly punished for reporting osha violations, they have ___ days to file a complaint w/ osha - correct answers workers... 30 employees should request a ___ if they are concerned something in their workplace is making or has the potential to make them or their coworkers sick - correct answers health hazard evaluation Workers a hve a right to: - correct answers all the above which of the following personal protective equipment must an employer pay for? - correct answers steel-toe boots that must be left in the employee's locker when they are not working Section S(a)(1) of osha act - correct answers the general duty clause all the following are covered by the osha act expected: - correct answers public employees in state and local governments OSHA began because, until _______, there were no national laws for safety and health hazards. - correct answers 1970