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OSHA 10 Test Answers-Latest Update.
The mission of the Occupational Safety and Health Administration (OSHA) is: - Correct Answer To send every worker home whole and healthy every day Electricity travels in closed circuits, and its normal route is through a conductor. Electric shock occurs when: - Correct Answer Your body becomes part of the circuit Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? - Correct Answer -- Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor -- Guard or securely cover all holes created or uncovered before leaving a work area -- Always use a PFAS when working over an unguarded or uncovered opening more than six feet above a lower level The two steps for avoiding hazards that are always taken before the need for PPE is considered are: - Correct Answer Workplace and engineering controls The three main scaffold types are aerial lifts, supported scaffolds and: - Correct Answer suspended scaffolds Because using cranes or derricks to hoist personnel poses a serious risk to the employees being lifted, any cranes and derricks that hoist personnel must: - Correct Answer -- Be placed on a firm foundation and be uniformly level within 1 percent of level grade -- Move the personnel platform slowly and cautiously and have rotation-resistant rope with a safety factor of 10 -- Have all brakes and locking devices set when the occupied personnel platform is in stationary position If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: - Correct Answer Protect themselves by wearing proper PPE OSHA defines an excavation as: - Correct Answer Any man-made cavity, depression, trench or cut in the earth's surface formed by earth removal A training program to teach proper lifting techniques should cover: - Correct Answer -- Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk -- The use of safe lifting postures and timing Mechanical demolition refers to demolition using equipment like: - Correct Answer wrecking balls and jackhammers OSHA's electrical standards are based on: - Correct Answer the NEC
What are the four main types of electrical injuries? - Correct Answer Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder) A shock's severity depends on: - Correct Answer -- Length of exposure to electricity -- The amount of current and its frequency -- The current's path Electrical burns are the most serious of the three major types of burns, and most often occur: - Correct Answer On the hands, from direct contact with current Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: - Correct Answer black or red More than 50 percent of electrocutions are caused by a worker coming in direct contact with: - Correct Answer energized power lines The OSHA standard requires flexible cords to be rated for: - Correct Answer Hard or extra hard usage What is the most frequent violation of OSHA electrical standards? - Correct Answer improper grounding of circuitry and equipment The three elements of a basic program for electrical safety are: - Correct Answer recognize, evaluate and control All portable electric tools that are damaged shall be: - Correct Answer Removed and tagged "Do Not Use" If you have a three-prong plug and a two-hole receptacle, it is acceptable to: - Correct Answer Use an adapter with an adapter wire connected to known ground All hazards involved in the use of power tools can be prevented by following five basic safety rules: Keep all tools in good condition with regular maintenance; examine each tool for damage before use; operate according to the manufacturer's instructions; provide and use the proper protective equipment; and: - Correct Answer use the right tool for the job Live parts of electric equipment operating at 50 volts or more must be: - Correct Answer guarded against electrical contact While any employee is exposed to contact with parts of electric equipment or circuits that have been de-energized, the circuits energizing the parts shall be: - Correct Answer Locked out or tagged out or both
Employers must provide a training program that teaches employees who might be exposed to fall hazards: - Correct Answer How to recognize such hazards and how to minimize them Safety nets must be strong enough to support workers who fall, and must: - Correct Answer Have small enough mesh openings that employee doesn't fall through net itself Approximately 75 percent of struck-by fatalities involve: - Correct Answer Heavy equipment such as cranes or trucks It is preferable not to drive a vehicle in reverse if you have an obstructed rear view, but if you do, make sure: - Correct Answer Vehicle has an audible reverse alarm Workers are most at risk from falling objects when standing or working: - Correct Answer -- under scaffolds -- under cranes -- wherever overhead work is being performed To prevent injury from flying debris, use safety glasses, goggles, face shields, etc., where machines or tools may cause flying particles; and always inspect tools, such as saws and lathes, to ensure that: - Correct Answer The protective guards are in good condition and firmly attached Forklift operators should ground the forks of the forklift, turn the forklift off, set the parking brake, and _____________prior to dismounting the machine. - Correct Answer neutralize controls If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine, the employer: - Correct Answer Must ensure all exposed and accessible sections of the machine are guarded One who is capable of identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them is a/n ______________: - Correct Answer competent person Providing worker training on the safe use of the equipment being operated is the responsibility of the: - Correct Answer employer To protect against caught-in or -between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid: - Correct Answer Performing maintenance or adjustment on equipment/machinery that hasn't been locked-out There are a number of requirements that employers must do to protect their workers from caught-in or between hazards. Which of these is required if the worker's body, hands or clothing
may come into contact with moving parts? - Correct Answer Provide guards on power tools and other equipment with moving parts The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. This process is known as: - Correct Answer A hazard assessment OSHA requires that many categories of PPE meet or be equivalent to standards developed by: - Correct Answer The American National Standards Institute (ANSI) You should have head protection if which of the following apply to your job? - Correct Answer -- Objects might fall from above -- There are low-hanging pipes or beams -- There are exposed electrical hazards In general, head protection should do which of the following? - Correct Answer -- Resist penetration by objects and absorb the shock of a blow -- Be water-resistant and slow burning -- Have clear instructions explaining proper adjustment and replacement of the suspension and headband There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. If this is the approach at your job site, then: - Correct Answer You must clean and disinfect the eyewear between each use A noise level of 95 dB is ______ than the lowest level at which hearing protection is required ( dB), and your exposure should be limited to six hours or less. - Correct Answer Ten times louder than Safety footwear has to meet minimum compression and impact performance standards, set by:
- Correct Answer ASTM F-2412- Gloves that are chemically resistant are usually made from: - Correct Answer rubber or plastic True or False: Full-body protection is sometimes made from materials such as duck, paper-like fiber, or rubberized fabrics, depending upon the hazard. - Correct Answer True Before the start of each work shift, it is mandatory that: - Correct Answer A competent person inspects the scaffold before the start of each work shift The first step in building a scaffold is to: - Correct Answer Conduct a site inspection A scaffold must be erected "plumb, square, and level," because: - Correct Answer If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the
Personnel hoisting platforms must be designed by: - Correct Answer A qualified engineer, or another competent specialist qualified in structural design True or False: Only personnel instructed in the requirements of the standard and the task to be performed - along with their tools, equipment and materials needed for the job - are allowed on the platform. - Correct Answer True If the hoist tower is not enclosed, the hoist platform or car must be totally enclosed on all sides for the full height between the floor and: - Correct Answer The overhead protective covering The greatest hazards posed by hand tools result from: - Correct Answer misuse and improper maintenance Power tools should never be carried by the cord or hose or be yanked from a receptacle by the cord or hose; and cords and hoses should be kept away from: - Correct Answer Heat, oil, sharp edges Sharp, abrasive, pinching, or otherwise hazardous moving parts of power tools: - Correct Answer Must have protective guard to prevent contact with workers Before an abrasive wheel is mounted, it should be inspected closely and: - Correct Answer Sound- or ring-tested to ensure that it is free from cracks or defects Neither the operator nor anyone else should ever stand directly in front of the wheel of an abrasive power tool as it accelerates to full operating speed. Why? - Correct Answer Because there is always the chance that the wheel wasn't sound and could disintegrate or explode Pneumatic tools are powered by: - Correct Answer Compressed air Powder-actuated tools are extremely dangerous, with a "firing" mechanism similar to that of: - Correct Answer A loaded gun If a powder-actuated tool misfires, the employee should: - Correct Answer Wait at least 30 seconds, then try firing again All jacks - lever and ratchet jacks, screw jacks, and hydraulic jacks - must have a device that stops them from: - Correct Answer Jacking up too high (a stop indicator) OSHA defines a trench as: - Correct Answer A narrow excavation made below the surface of the ground in which the depth is greater than the width - with the width not to exceed 15 feet True or False: There is usually some form of warning before a cave-in. - Correct Answer False
OSHA requires that all excavations in which employees could potentially be exposed to cave-ins be protected by one or more of the following three methods: - Correct Answer Sloping, benching, shoring, shielding The formula for all simple slope excavations 20 feet (6.11 meters) or less deep states that for every foot of depth, the trench must be excavated back: - Correct Answer 1 and 1/2 feet Trench boxes or shields must be designed or approved by: - Correct Answer a registered professional engineer Shoring or shielding is most often used when: - Correct Answer The location or the depth of the excavation makes sloping back to the maximum allowable slope impractical As mentioned in this module, in addition to cave-ins and related hazards, workers involved in excavation work also are exposed to hazards involving: - Correct Answer Falls, falling loads and mobile equipment Employees are prohibited from working above other employees on the face of a sloped or benched excavation unless: - Correct Answer Workers on lower level have overhead protection from falling objects To prevent surface water from entering an excavation and to provide adequate drainage of the adjacent area, OSHA standards require the use of: - Correct Answer Water removal equipment, diversion ditches, dikes, or other suitable methods In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: - Correct Answer -- Improper lifting and carrying -- Being struck by materials or caught in pinch points -- Being crushed by improperly stored materials Because the number of injuries from operating powered industrial trucks was on the rise, the OSHA standard for Powered Industrial Trucks was revised March 1, 1999. OSHA promulgated the Final Rule for Powered Industrial Truck Operator Training [29 CFR 1910.178(1)], which: - Correct Answer -- Requires operator training and licensing as well as periodic evaluations of operator performance -- Requires operators to take and pass a written and road test (similar to a driver's education) before they can operate the forklift. Operators must complete three separate aspects of powered industrial truck training: formal training, practice training, and: - Correct Answer Evaluation To adhere to fire safety precautions, flammable and combustible materials must be stored according to: - Correct Answer Their fire characteristics
All vehicles used for the transportation of explosives shall have tight floors, and any exposed spark-producing metal on the inside of the body shall be: - Correct Answer Covered with wood or other non-sparking material All explosives must be accounted for at all times, and all not being used must be kept in a: - Correct Answer locked magazine OSHA's Hazard Communication Standard (HazCom) is designed to ensure that information about __________and associated protective measures is disseminated. - Correct Answer Hazardous chemicals Chemical manufacturers and importers must convey the hazard information they learn from their evaluations to downstream employers by means of labels on containers and: - Correct Answer Safety Data Sheet Under the new HAZCOM/GHS requirements for Safety Data Sheets (SDS's) they must now have 16 total Sections. - Correct Answer true Employers must provide employees with effective information and training on hazardous chemicals in their work area: - Correct Answer -- At the time of their initial assignment -- Whenever a new hazardous chemical is introduced into their work area The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. - Correct Answer Impulsive To determine whether employees need hearing protection, employers have to consider: - Correct Answer -- The loudness of the noise, as measured in decibels -- The duration of exposure to the noise -- How many sources generate loud noises Audiometric testing monitors an employee's hearing: - Correct Answer over time Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. - Correct Answer extremely high Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. - Correct Answer may or may not be obvious Which of the following is an element of a hearing conservation program? - Correct Answer -- Engineering and Administrative Controls -- Noise monitoring -- Hearing protection to be used
Using cranes to hoist material can have serious consequences if the process is not performed properly. Because of this, the following is required: - Correct Answer -- A certified crane operator must be used. -- Rigging must be inspected prior to use, be in good shape and have the tag attached. -- A Qualified Rigger is responsible for connecting the crane to the material to be hoisted. True or False: Once a fall protection device has been inspected by a competent person and deemed safe for use by an employee, it is up to the employee to inspect it regularly and ensure that it still meets OSHA requirements. - Correct Answer False True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. These rules were combined under the umbrella of OSHA. - Correct Answer False Which industries are employees potentially exposed to silica dust: - Correct Answer -- Stone and glass industries -- Construction -- Mining industries Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire must: - Correct Answer be attached to known ground If a worker on a scaffold can fall more than 10 feet: - Correct Answer They must be protected by guardrails and/or personal fall arrest systems (PFAS) In noisy jobsites, these are often used to provide instructions to crane and derrick operators: - Correct Answer Hand signals Since its implementation in 1971, OSHA has: - Correct Answer -- Helped cut work-related fatalities nearly in half and cut excavation and trenching fatalities by more than a third --Helped reduce workplace injuries and illnesses by 40 percent (Your Answer) -- Almost eliminated brown-lung disease from the textile industry Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. The purpose of this survey is: - Correct Answer determine the condition of the structure so that measures can be taken, if necessary, to prevent the premature collapse of any portion of the structure Two of the main differences between the hydraulic rough terrain crane and the crawler lattice boom friction crane are: - Correct Answer boom hoist, load line controls True or False: Employers must provide a training program that teaches employees who might be exposed to fall hazards how to recognize such hazards and how to minimize them, and must
