Question 1

Which of the following is the name given to reduction of sound transmission using materials and/or structural elements?

Accepted Answer

A)  Active noise reduction 
B)  Parallel noise reduction 
C)  Structural noise reduction 
D)  Passive noise reduction 
A)  Active noise reduction 
B)  Parallel noise reduction 
C)  Structural noise reduction 
D)  Passive noise reduction D

Question 2

Medical professionals have not yet established a procedure for determining if there is a causal relationship between workplace noise and hearing loss.

Accepted Answer

A) True 
 B)False  False

Question 3

Sound is any change in pressure that can be detected by the ear.

Accepted Answer

A) True 
 B)False  True

Question 4

Noise can be eliminated at its source by enclosing the source.

Accepted Answer

A) True 
 B)False

Question 5

Impulsive noise reduction involves reducing peak impulse transmission based on the use of PESDs.

Accepted Answer

A) True 
 B)False

Question 6

Noise is distinguished from sound by which of the following factors?

Accepted Answer

A)  Intensity of noise 
B)  Unwanted sound 
C)  Type of noise 
D)  Duration of exposure 
A)  Intensity of noise 
B)  Unwanted sound 
C)  Type of noise 
D)  Duration of exposure

Question 7

Fit testing is not an important prerequisite for effective noise protection.

Accepted Answer

A) True 
 B)False

Question 8

Trying out HPDs to determine how they fit with an individual's anatomical features is known as what?

Accepted Answer

A)  Trial PPE run 
B)  Fit testing 
C)  PPE testing 
D)  PPE run through 
A)  Trial PPE run 
B)  Fit testing 
C)  PPE testing 
D)  PPE run through

Question 9

To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 DBA.

Accepted Answer

A) True 
 B)False

Question 10

The fundamental hazard associated with excessive noise is hearing loss.

Accepted Answer

A) True 
 B)False

Question 11

Identifying and assessing hazardous noise conditions in the workplace involve which of the following?

Accepted Answer

A)  Conducting periodic noise surveys 
B)  Conducting periodic audiometric tests 
C)  Record keeping and follow up action 
D)  All of the above 
A)  Conducting periodic noise surveys 
B)  Conducting periodic audiometric tests 
C)  Record keeping and follow up action 
D)  All of the above

Question 12

Federal regulations require that employees be protected from excessive noise in the workplace.

Accepted Answer

A) True 
 B)False

Question 13

Conducting noise surveys involves measuring noise levels at all locations in the workplace.

Accepted Answer

A) True 
 B)False

Question 14

Sound and vibration are very similar. Which of the following statements are true?

Accepted Answer

A)  Sound relates to a sensation 
B)  Vibration is inaudible 
C)  Vibration is perceived through the sense of touch 
D)  All of the above 
A)  Sound relates to a sensation 
B)  Vibration is inaudible 
C)  Vibration is perceived through the sense of touch 
D)  All of the above

Question 15

The unit of measurement for sound is the decibel, or one-tenth of a bel.

Accepted Answer

A) True 
 B)False

Question 16

With PPE fit is not important in most cases.

Accepted Answer

A) True 
 B)False

Question 17

What level of DBA is considered the maximum limit of continuous exposure over eight hour days without protection?

Accepted Answer

A)  150 
B)  3 
C)  90 
D)  20 
A)  150 
B)  3 
C)  90 
D)  20

Question 18

The EPA is replacing its method of using a single number to rate HPDs with a sliding scale showing the low and high range of estimated protection provided.

Accepted Answer

A) True 
 B)False

Question 19

Noise control strategies include which of the following?

Accepted Answer

A)  Noise can be reduced at the receiver by enclosing the worker 
B)  Noise can be reduced along its path by moving the source farther away 
C)  Noise can be reduced at its source by enclosing the source 
D)  All of the above 
A)  Noise can be reduced at the receiver by enclosing the worker 
B)  Noise can be reduced along its path by moving the source farther away 
C)  Noise can be reduced at its source by enclosing the source 
D)  All of the above

Question 20

The threshold of hearing is the maximum level of sound that can be perceived without experiencing pain.

Accepted Answer

A) True 
 B)False

Which of the following is the name given to reduction of sound transmission using materials and/or structural elements?

Medical professionals have not yet established a procedure for determining if there is a causal relationship between workplace noise and hearing loss.

Sound is any change in pressure that can be detected by the ear.

Noise can be eliminated at its source by enclosing the source.

Impulsive noise reduction involves reducing peak impulse transmission based on the use of PESDs.

Noise is distinguished from sound by which of the following factors?

Fit testing is not an important prerequisite for effective noise protection.

Trying out HPDs to determine how they fit with an individual's anatomical features is known as what?

To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 DBA.

The fundamental hazard associated with excessive noise is hearing loss.

Identifying and assessing hazardous noise conditions in the workplace involve which of the following?

Federal regulations require that employees be protected from excessive noise in the workplace.

Conducting noise surveys involves measuring noise levels at all locations in the workplace.

Sound and vibration are very similar. Which of the following statements are true?

The unit of measurement for sound is the decibel, or one-tenth of a bel.

With PPE fit is not important in most cases.

What level of DBA is considered the maximum limit of continuous exposure over eight hour days without protection?

The EPA is replacing its method of using a single number to rate HPDs with a sliding scale showing the low and high range of estimated protection provided.

Noise control strategies include which of the following?

The threshold of hearing is the maximum level of sound that can be perceived without experiencing pain.

Safety and Health Movement, Then and Now

Accidents and Their Effects

Theories of Accident Causation

Roles and Professional Certifications for Safety and Health Professionals

The Osh Act, Standards, and Liability

Workers Compensation

Accident Investigation and Reporting

Ergonomic Hazards: Musculoskeletal Disorders Msds and Cumulative Trauma Disorders Ctds

Stress and Safety

Mechanical Hazards and Machine Safeguarding

Falling, Impact, Acceleration, Lifting, and Vision Hazards

Hazards of Temperature Extremes

Pressure Hazards

Electrical Hazards

Fire Hazards and Life Safety

Industrial Hygiene and Confined Spaces

Violence in the Workplace

Preparing for Emergencies and Terrorism

Bloodborne Pathogens and Bacterial Hazards in the Workplace

Filters

Exam 18: Noise and Vibration Hazards

Which of the following is the name given to reduction of sound transmission using materials and/or structural elements?

Medical professionals have not yet established a procedure for determining if there is a causal relationship between workplace noise and hearing loss.

Sound is any change in pressure that can be detected by the ear.

Noise can be eliminated at its source by enclosing the source.

Impulsive noise reduction involves reducing peak impulse transmission based on the use of PESDs.

Noise is distinguished from sound by which of the following factors?

Fit testing is not an important prerequisite for effective noise protection.

Trying out HPDs to determine how they fit with an individual's anatomical features is known as what?

To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 DBA.

The fundamental hazard associated with excessive noise is hearing loss.

Identifying and assessing hazardous noise conditions in the workplace involve which of the following?

Federal regulations require that employees be protected from excessive noise in the workplace.

Conducting noise surveys involves measuring noise levels at all locations in the workplace.

Sound and vibration are very similar. Which of the following statements are true?

The unit of measurement for sound is the decibel, or one-tenth of a bel.

With PPE fit is not important in most cases.

What level of DBA is considered the maximum limit of continuous exposure over eight hour days without protection?

The EPA is replacing its method of using a single number to rate HPDs with a sliding scale showing the low and high range of estimated protection provided.

Noise control strategies include which of the following?

The threshold of hearing is the maximum level of sound that can be perceived without experiencing pain.

Safety and Health Movement, Then and Now

Accidents and Their Effects

Theories of Accident Causation

Roles and Professional Certifications for Safety and Health Professionals

The Osh Act, Standards, and Liability

Workers Compensation

Accident Investigation and Reporting

Ergonomic Hazards: Musculoskeletal Disorders Msds and Cumulative Trauma Disorders Ctds

Stress and Safety

Mechanical Hazards and Machine Safeguarding

Falling, Impact, Acceleration, Lifting, and Vision Hazards

Hazards of Temperature Extremes

Pressure Hazards

Electrical Hazards

Fire Hazards and Life Safety

Industrial Hygiene and Confined Spaces

Violence in the Workplace

Preparing for Emergencies and Terrorism

Bloodborne Pathogens and Bacterial Hazards in the Workplace

Filters