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Quiz Session - Attempts With Random Questions

BCSP CSP Exam Questions

Page 10 of 50

181.

Which of the following is TRUE regarding an upper flammable limit?

  • It is the richest mixture that is still combustible

  • It is also known as the lower explosive limit

  • It is given as a percentage of water

  • It is the leanest mixture that is still explosive

Correct answer: It is the richest mixture that is still combustible

Flammability limits are the proportion of combustible gases in a mixture. Concentrations of the mixture between the lower and upper limits are flammable or explosive in the presence of an ignition source. The upper flammable limit (UFL) or upper explosive limit (UEL) is the highest concentration of a vapor or gas that is still flammable or combustible when an ignition source is present.

The lower flammable limit (LFL) or the lower explosive limit (LEL) is the lowest concentration of a vapor or gas that is still flammable or explosive in the presence of an ignition source. These concentrations are given as a percentage of volume in air, not water.

182.

Calculate the static pressure of a fan, given the following information:

  • SPout = 1.6 ″wg
  • SPin = 0.5 ″wg
  • VPin = 0.7 ″wg

Use the formula SPfan = SPout - SPin - VPin

  • 0.4 "wg

  • 0.2 "wg

  • 0.6 "wg

  • 0.8 "wg

Correct answer: 0.4 "wg

Static pressure is the resistance pressure that a fan in a ventilation system has to blow against to move air in the desired direction. It is measured in inches of water gage (wg). 

In order to calculate the static pressure of the fan (SPh), use the following formula:

SPfan = SPout - SPin - VPin

Insert the known variables and solve.

SPfan = SPout - SPin - VPin

SPfan = 1.6 - 0.5 - 0.7

SPfan = 0.4 "wg

183.

As part of the exposure control plan related to bloodborne pathogens, an employer is required to ensure that employee medical records and information are maintained in the strictest confidence. The information contained in the medical records may not be disclosed or reported without the employee’s express written consent. What else is the employer required to do regarding the employees' medical records?   

  • Maintain the records for the duration of employment plus 30 years

  • Require the employee to get vaccinated and maintain the records

  • Keep a copy of the employees' complete personal medical history while employed

  • Require an annual record review by a private physician

Correct answer: Maintain the records for the duration of employment plus 30 years

The employer shall establish and maintain an accurate record of each employee's occupational exposure. The records shall include the name and social security number of the employee; a copy of the employee’s hepatitis B vaccination status, including the dates of all the hepatitis B vaccinations; and any medical records relative to the employee’s ability to receive the vaccination, a copy of all results of examinations, medical testing, and follow-up procedures, the employer’s copy of the health care professional’s written opinion, and a copy of the information provided to the health care professional.

The employer can't require the employee to get vaccinated. If the employee refuses a vaccination, a written copy of the refusal must be kept in employees' records. The other two answers are not record retention requirements of the company.  

184.

What are two common risk transfer principles?

  • Insurance and indemnification 

  • Restricted work activity and job transfers

  • Hazard identification and assessment

  • Probability and severity

Correct answer: Insurance and indemnification 

Risk transfer is a business practice of transferring business risk to other parties. Two common types of risk transfer are insurance and indemnification, and safety practitioners should have some knowledge of both.

By purchasing insurance, the cost and expense of accidents can be transferred to an insurer in exchange for regular premiums and fulfillment of other requirements. Workers' compensation insurance is a good example of this type of risk transfer; without it, many small businesses could not afford the cost of accidents. This type of risk transfer can be leveraged, too (e.g., when the main contractor requires all subcontractors to have workers' compensation policies in effect).

Indemnification clauses within a contract are another way risk can be transferred. They are common in construction contracts and typically hold one or both parties not liable for actions of the other or liable only to certain limits. They are similar to hold-harmless clauses.

185.

In the following equation, what does Lw represent?

Lw = 10Log10  W/Wo

  • Sound power level

  • Acoustic power

  • Reference acoustic power

  • Decibels

Correct answer: Sound power level

The equation calculates the sound power level, which is similar in concept to the wattage of a light bulb.

Lw = sound power level

W = acoustic power in watts

Wo = reference acoustic power (10-12W) 

Decibels are a unit of sound and are not represented by a variable in this equation.

186.

Which requirement applies to designing secondary containment for bulk oil storage containers to prevent discharge into navigable waters?

  • The full capacity of the largest container + possible rainfall

  • The full capacity of all containers + possible rainfall

  • The full capacity of all containers

  • The full capacity of the largest container + 25%

Correct answer: The full capacity of the largest container + possible rainfall

The EPA's Spill Prevention, Control, and Countermeasure (SPCC) regulation provides requirements to prevent discharges of oil into navigable waters. Facilities subject to this rule must comply by preventing oil spills and developing and implementing an SPCC plan. 

One of the requirements for the SPCC plan is to provide secondary containment for bulk oil storage containers that are sized to contain 100% of the largest bulk container. If the secondary containment may also contain rainwater, additional capacity is required. There is not a required additional capacity, but industry practice is to use 110% and verify that volume against expected rainfall totals.

187.

Which of the following statements is TRUE about ingestion?

  • Chemicals enter the bloodstream by ingestion slower than by inhalation

  • The substance enters the body by way of the nervous system

  • The substance avoids entering the bloodstream by entering the stomach instead

  • Only the rarest types of chemicals enter the body through ingestion

Correct answer: Chemicals enter the bloodstream by ingestion slower than by inhalation

Ingestion of toxic or other substances is through the mouth. A chemical that is ingested typically enters the bloodstream more slowly than through inhalation.

When swallowing a substance, the substance enters the digestive system, not the nervous system. It will enter the bloodstream eventually through the stomach or intestinal tract. As long as they are swallowed, many chemicals can enter the body through ingestion.

188.

What is the PRIMARY delivery method used for conducting training? 

  • PowerPoint

  • YouTube

  • Handouts

  • Textbooks 

Correct answer: PowerPoint 

One of the most common and useful tools for presenting classroom-based training is Microsoft PowerPoint software and a projector or screen. This method of presentation can provide both visual and audible formats. 

YouTube videos, Handouts and Textbooks may be used as supplemental material for conducting training, but they should not be used as the primary delivery method. 

189.

One of the FIRST things that a safety professional has to do when determining the type of Personal Protective Equipment (PPE) to be worn is to conduct what? 

  • Hazard assessment 

  • Heat stress monitoring

  • Sound level measurements

  • Safety audit

Correct answer: Hazard assessment 

One of the first responsibilities in determining the types of Personal Protective Equipment (PPE) is to determine the hazards present in the work environment. The safety professional must conduct a thorough job hazard assessment to determine the specific hazards present. The job hazard assessment must be in writing and maintained by the employer. Once the job hazard assessment has been completed, decisions on the types of PPE can be made.

Heat stress monitoring is specific to environments where heat stress is a concern, but is not the first step in determining overall PPE requirements.

Sound level measurements are specific to environments with noise hazards but do not encompass all potential workplace hazards. 

Safety audits are an important review of safety practices and compliance but are broader in scope than a PPE hazard assessment. 

190.

Which of the following reflects the idea that numbers are free to vary in a dataset?

  • Degrees of freedom

  • T-test

  • Spearman's rho

  • Chi-square statistics

Correct answer: Degrees of freedom

Degrees of freedom can be described as the number of items in a sample that are free to vary. It is equivalent to the number of items in a sample minus one.

The Spearman rank, or rho, is a reflection of the correlation between two sets of numbers. The distance from 1 indicates the correlation between the two variables, creating either a weak or strong correlation. If the number is positive, it may indicate a stronger correlation, whereas a negative number may imply a weaker correlation.

The t-test is used to calculate the significance of observed differences between the means of two samples and can be used to determine a difference between two population parameters.

Chi-square statistics are useful in comparing observed distributions to theoretical ones.

191.

What is the purpose of a respiratory protection program?

  • To control occupational diseases caused by breathing contaminated air

  • To prevent accidents related to faulty equipment

  • To ensure employees are skilled in isolating equipment from energy sources

  • To inform employees about hazardous chemicals to which they are exposed

Correct answer: To control occupational diseases caused by breathing contaminated air

The purpose of a respiratory protection program is to control occupational diseases caused by breathing air contaminated with harmful dust, fogs, fumes, mists, gases, smoke, sprays, or vapors. When occupational diseases cannot be controlled by engineering control measures, which are the preferred solutions, appropriate respirators should be provided for use.

Preventing accidents related to faulty equipment is one of the purposes of a personal protective equipment (PPE) program.

Ensuring employees are skilled at isolating equipment from energy sources is a purpose of an energy control program.

Informing employees about hazardous chemicals to which they are exposed is a purpose of a hazard communication program. 

192.

The Safe Drinking Water Act (SDWA) defines a public water system as one that provides piped water to at least 25 persons or 15 service connections for AT LEAST how many days per year?

  • 60

  • 90

  • 100

  • 75

Correct answer: 60

The Safe Drinking Water Act (SDWA) defines a public water system as one that provides piped water to at least 25 persons or 15 service connections for at least 60 days per year. Such systems may be owned by homeowner associations, investor-owned water companies, local governments, and others. Water not from a public water supply and which serves one or only a few homes is called a private supply. Private water supplies are, for the most part, unregulated. It is estimated that at least 15% of the population of the United States is not served by approved public water systems. Instead, they use individual wells and very small drinking water systems not covered by the SDWA. These wells and systems are often untested and contaminated.

193.

Which is NOT a common method for handling residual risk?

  • Disregard results and reassess the risk

  • Use additional risk control measures

  • Do nothing

  • Insure against the risk

Correct answer: Disregard results and reassess the risk

Residual risk is the level of risk remaining after control measures have been implemented to reduce the hazards identified and assessed. There are usually three methods of handling residual risk:

  • accept the residual risk and do nothing more
  • identify and use additional risk control measures 
  • purchase insurance to transfer the risk

Disregarding the risk assessment and implementing control measures to reassess the risk is a method for handling residual risk but not one of the three usual methods.

194.

What should be the FIRST step in developing a training program?

  • Conducting a training needs analysis

  • Gathering employees in a room

  • Creating presentation files and quizzes

  • Preparing written performance objectives

Correct answer: Conducting a training needs analysis

Prior to conducting training and developing a training program, leaders should assess and document the needs of the training program. Safety professionals should first understand the knowledge level of the end users, analyze the worksite, and understand what content needs to be covered. Training needs can be analyzed by observing performance, interviewing employees, reviewing quality scores, and completing employee questionnaires. 

Gathering employees together to conduct training may be an appropriate step in conducting some lecture-style training, but this would likely be the last step before conducting training.

While having training materials organized and prepared is important prior to training delivery, a needs analysis must be done first to know which presentations and quizzes to create.

Preparing written performance objectives is an important part of training program development, but this step will be completed after conducting a training needs analysis.

195.

Calculate the OSHA Permissible Noise Exposure time (T) for an employee exposed to 96 dBA.

  • 3.4 hours

  • 4.4 hours

  • 6.4 hours

  • 2.4 hours

Correct answer: 3.4 hours

Any employee whose noise exposure equals or exceeds an 8-h TWA of 85 dBA must be included in a hearing conservation program (29 CFR 1910.95). 

The equation below calculates the amount of time an employee can be subjected to a given sound level over 85 dB.  

To calculate the Permissible Noise Exposure time (T), use the equation:  T = 8/2[(L-90)/5]

T = Permissible Noise Exposure time  

L= Noise exposure in dBA (Provided as 96 dBA) 

T= 8/2[(96-90)/5]   

= 8/2 (6/5)  = 8/2 (1.2)  = 8/2.3   =  3.4 hours

Accuracy of answers can be obtained by comparing values in Table G-16 of 29 CFR 1910.95 "Permissible Noise Exposures." 

All other answer options are incorrect, likely from an error or mistake in the use of the formula. 

196.

What is a common hazard associated with portable grinders that will NOT be listed in the manufacturers' literature? 

  • Workers removing the wheel guard

  • Using a grinding wheel not designed for the grinder

  • Using an ungrounded extension cord

  • Kickback causing injury to the worker

Correct answer: Workers removing the wheel guard

If a worker is performing grinding on a surface at a difficult angle, they will attempt to remove the wheel guard in order to gain access to the surface.  This is extremely dangerous because if the grinding wheel shatters without the guard in place, it could seriously wound, maim, or kill the worker.  

The specific hazards associated with the use of grinding wheels include breathing in dust during metal grinding, contact with lubricating oils and metallic dust can irritate the skin, vibration can cause various ergonomic-related injuries, such as “white finger,” shattered wheels can cause physical injuries, contact with a wheel in motion can cut, mangle, or even amputate a body part, sparks from grinding metals can ignite nearby flammable materials.

The other hazards are listed in most portable grinder literature as safety cautions.  

197.

In 2017, a company worked 450,275 hours and had two recordable injuries and two separate days-away-from-work cases. What is the company's total recordable incident rate (TRIR)?

Use the formula TRIR = (# of injuries x 200,000 )/Total number of hours worked

  • 1.78

  • 1.56

  • 2.23

  • 1.87

Correct answer: 1.78

TRIR = # of injuries x 200,000 / Total number of hours worked

  • Number of injuries: 4 (count all injuries)
  • Number of hours: 450,275

TCIR = 4 x 200,000 / 450,275

TCIR = 800,000 / 450,275

TCIR = 1.77669202

TCIR = ~1.78 

198.

Class 9 hazardous material is defined as "miscellaneous hazardous material." Which of the following is NOT part of Class 9?

  • Infectious substances

  • Asbestos

  • Dry ice

  • Saccharin

Correct answer: Infectious substances

The United States Department of Transportation identifies hazardous materials, specifically for transportation purposes, into nine different classes. Class 9 materials consist of miscellaneous hazardous materials, including magnetized materials, elevated temperature goods, dry ice, asbestos, environmentally hazardous substances, life-saving appliances, internal combustion engines, zinc dithionite, saccharin, and more.

Class 6.2 materials are infectious substances.

199.

Cobalt-60 has a five-year half-life. If the initial activity of a Cobalt-60 source is 20 mCi, what is the activity after 10 years, in mCi? 

  • 5 mCi

  • 0 mCi

  • 2 mCi

  • 10 mCi

Correct answer: 5 mCi

If the initial count is 20 mCi and the half-life is 5 years, after 10 years, it would have undergone two half-lives. The first half-life would take it from 20 down to 10 mCi, and the second would take it from 10 down to 5 mCi.

200.

The components for developing a training program that a safety manager should be able to perform are:

  •  Developing written performance objectives
  • Content outliningSelecting the training delivery method
  • Selecting the materials to be used in the training
  • and what? 

  • Testing and evaluation

  • Pretests

  • Posttests 

  • Media presentations

Correct answer: Testing and evaluation

Once a needs analysis has been conducted and the decision has been made that training is the answer, or part of the answer, a training program must be
developed. Training program development involves a systematic approach, which includes performing the following steps or phases in order: 

  • Developing written performance objectives
  • Content outlining
  • Selecting the training delivery method
  • Selecting the materials to be used in the training
  • Testing and evaluation
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