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OHST EXAM SOLUTION – SAMPLE
QUESTIONS
_____ has a matte black finish to measure the radiant energy from direct sunlight or other sources, like machinery and hot structures near the workplace. - answer ✅✅Black globe thermometer ______ is a condition in which the body uses up its stored energy and can non longer produce heat. - answer ✅✅Hypothermia ______ is the most accurate tool for adjusting the temperature for heat stress factors including humidity, air movement, radiant heat, and temperature. - answer ✅✅WBGT Meter _______ is the result of beneficial physiological adaptations that occur after gradual increased exposure to a hot environment. - answer ✅✅Acclimatization ________ or WGBT measurements are used to determine when heat exposure hazards are present in the workplace. - answer ✅✅Wet Bulb Globe temperature
_________ and __________ are cause by the body's dehydration and depletion of salts from excessive sweating. - answer ✅✅heat cramps and muscle spasms _________ is when the effect of one substance is increased by exposure to another substance, even though the second substance does not cause that effect by itself. - answer ✅✅potentiating __________ Effect is when the combined effect of the chemicals is equal to the sum of each chemical acting alone - answer ✅✅additive An action level is usually _______ of whatever standard you are using. - answer ✅✅50% an example of a biomechanical hazard is - answer ✅✅inadequate lighting appropriate abrasive wheel revolutions per minute design is dependents upon the equipment it is installed upon - answer ✅✅true carbon disulfide, ethylene oxide, hexane, lead, and mercury are all examples of - answer ✅✅neurotoxins
Confined Space: _______ is preformed outside the space, uses pulley systems, tripods, and access points. - answer ✅✅Non- Entry Rescue Confined Space: _______ is when responders are able to respond to an emergency in a timely manner and provide rescue personnel with the right rescue equipment and training. - answer ✅✅Entry Rescue Confined Space: Attendants must enter the space and perform duties that might interfere with the attendant's primary duty in order to monitor and protect entrants. - answer ✅✅False Confined Space: Gases tend to gather at the floor, middle or top in a confined space. - answer ✅✅True Confined Space: Hazardous atmospheres are often not ______ when a space is first entered. - answer ✅✅Present
Confined Space: How long must employers keep canceled entry permits? - answer ✅✅At least one year Confined Space: Large enough and configured in a way a worker can enter and preform work, has limited entry and exit options, not designed for continuous occupancy is known as ______. - answer ✅✅Confined Space Confined Space: NIOSH stands for ______. - answer ✅✅National Institute for Occupational Safety and Health Confined space: What would not be considered confined space rescue? - answer ✅✅Machine Entry Rescue Confined Space: When controlling hazards in confined spaces ______ should be used. - answer ✅✅Hierarchy of Controls Confined Space:
Lockout and hazardous energy control are used interchangeably because they are the same. - answer ✅✅False Control of Hazardous Energy: Lockout tagout is still required even if the equipment is unplugged and an authorized employee has control of the plug. - answer ✅✅False Control of Hazardous Energy: Step three of a hazardous energy control program includes a documented risk assessment that outlines protective measures needed where ever there may be possible hazards. - answer ✅✅True Control of Hazardous Energy: Tags are only warning devices. - answer ✅✅True Control of Hazardous Energy: Tags can be used as a substitute for lockout devices due to the fact that they show that the machine is not to be used. - answer ✅✅False Control of Hazardous Energy:
Tags should only include date and time the lock was installed and who put the tag on the device. - answer ✅✅False Control of Hazardous Energy: The release of mechanical energy may result in an individual experiencing headaches. - answer ✅✅False Control of Hazardous Energy: There are ____ steps when developing a hazardous energy control program. - answer ✅✅Five Control of Hazardous Energy: Thermal energy can be from either extreme hot or cold conditions. - answer ✅✅True Control of Hazardous Energy: To control hazardous energy, it is important to include special circumstances that might be encountered during each task, such as which example? - answer ✅✅Shift or personnel changes Control of Hazardous Energy:
Cost of Loss - answer ✅✅cost of loss divided by profit margin example 20,000 loss divided by 5% .05 = $400, Cost of Loss Concept - answer ✅✅Helps illustrate actual costs of injuries and illnesses from an organization Cranes: _____ allow personnel to pivot the load when it swings on the cranes hook. - answer ✅✅Taglines Cranes: _____ usually consist of a tall mast structure fixed to the ground with an operator cab on top. - answer ✅✅Tower Cranes Cranes: A _____ typically consists of two or more cranes where the load weight exceeds 75% of the lifting device's capacity, operators view is obstructed, personal baskets are used, and are lifting valuable or irreplaceable loads.
Cranes: All lifting slings should be inspected _______ before use and frequently during use. - answer ✅✅Daily Cranes: How many common types of cranes are there? - answer ✅✅seven Cranes: How many ways does a sling carry their loads? - answer ✅✅Three Cranes: It is essential that a crane operator _____ when conducting hoisting or lifting operations. - answer ✅✅Stay in contact with crew on loading floor or deck Cranes: Lifting slings, both the wire rope and synthetic variety, are built to withstand damage since they are the piece of rigging equipment that is continually in contact with the load. - answer ✅✅False Cranes:
Cranes: Truck-mounted, all terrain, rough terrain, and crawler cranes have the advantage of fitting into tight and difficult-to-reach positions. - answer ✅✅True Cranes: When using lifts and cranes, one of the most important precautions taken is ____. - answer ✅✅Proper lift planning Cranes: Which is the first step PRIOR to rigging and lifting? - answer ✅✅Determine the weight of the load Cranes: Which rigging hardware is the primary connecting link in all manner of rigging systems? - answer ✅✅Shackles Cranes: Which type of cranes are usually used in factories, ship yards, and large outdoor manufacturing plants? - answer ✅✅Bridge and Gantry cranes Cranes:
Which type of hitch is used when one end is on the hook, while the other end is attached directly to the load in a vertical fashion? - answer ✅✅Vertical Hitch Cranes: Which type of lift typically only uses one crane, lifts less than 75% of their max operating capacity, the operator is able to see the load and signal person, and used where non-complex rigging is needed? - answer ✅✅Standard lift Cranes: Which zone should be established around cranes and adjoining areas to stop unauthorized workers and other people from entering the hazardous work area and being injured? - answer ✅✅Exclusion Zones Cranes: t/f A non-routine lifting operation generally requires a detailed lifting plan prior to beginning any lifting activities. - answer ✅✅True How to calculate ROI - answer ✅✅Gain of investment - cost of investment divided by the cost of the investment
OSHA - answer ✅✅Occupational Safety and Health Administration, a government agency in the Department of Labor to maintain a safe and healthy work environment ROI - answer ✅✅Return on investment - A performance measure used to evaluate the efficiency of an investment or compare the efficiency of a number of different investments the body's natural way to keep the core body temperature from rising to unhealthy levels is through an increase in _____________ and _______? - answer ✅✅heart rate and sweating The level of instability of an individual who exhibits changes in body posture and disposition, physical actions like pounding fists, pointing fingers, shouting, and screaming falls into which category? - answer ✅✅Anger there are _____ different heat stress formulas depending on the environment - answer ✅✅two time value of money - answer ✅✅The idea that money available at the present time is worth more than the
same amount in the future due to its potential earning capacity. True/False A contractor management plan is completely separate from a company's overall safety and health management system - answer ✅✅false True/False When chemicals cause health risks from a single exposure and/or a small dose, this is known as an acute exposure. - answer ✅✅true True/False: Acute exposures and acute effects are long term, high concentrations or levels, and generally involve immediate results. - answer ✅✅False True/False: Corrosive damages can be reversed - answer ✅✅False True/False: Grab sampling provides both sampling and analysis or measurement at the same time - answer ✅✅False True/False: Many Hazardous substances are in solid form at normal temperature - answer ✅✅False
what is the dizziness and fainting caused by overheating, and usually occurs after prolonged standing or sudden rising from a sitting position? - answer ✅✅heat syncope what is the overall physiological response resulting from heat stress? - answer ✅✅Heat strain when measuring noise exposure in the workplace, the instrument is usually set to slow response and set on which scale? - answer ✅✅A scale Which are the most common targeted organs? - answer ✅✅Liver, kidneys, nervous system, and blood which is the most frequent route of entry for occupational exposures? - answer ✅✅Inhalation
