INEN 3380 TEST 3 QUESTIONS AND ANSWERS
You and your team are designing a chair for a desk. You have been instructed that the
chair needs to be able to adjust for the 5% percentile of women through the 95th
percentile of men e height sitting . How much adjustment does the chair need to have? -
Answer -7.2
Control movement without system response is known as ______. - Answer -deadspace
The ______ is the tendency for operators to overshoot the target for short distances and
undershoot it for long distances. - Answer -range effect
Your team is designing a seat for an airline, you have been instructed that the seat must
accommodate the 95th percentile for men and women in regards to the width of the
seat. This width is _______. - Answer -17.2 inches
The three most important task factors leading to cumulative trauma disorders are_____.
(Choose all that apply) - Answer --Force
-Posture
-Frequency
What is the approximate decimal value of a grinder being used to grind high-carbon
steel. (In decibels) - Answer -95-100
_______noise represents distracting sound that will have an impact workers and
efficiency, but not on the workers hearing loss. - Answer -meaningful
The color __________ has the highest visibility. - Answer -yellow
The quality of light and task performance is affected by the amount of gamma rays, the
contrast and the visual light. - Answer -False
The______ is the ambient dry bulb temperature experienced by the worker. - Answer -
environmental temperature
The three classifications of vibration exposure are________. (Choose all that apply) -
Answer --the major portion of the body
-transmission from a supporting area
-localized to a small body area
Sodium vapor lamps have fairly poor color rendering, a shift in frequencies as compared
to a standard source such as daylight, and would probably not be suitable for certain
inspection operations were color discrimination is necessary. - Answer -True
, Workers can be protected from vibration through the introduction of supports to cushion
the body and dampen the vibrations, alterations of body posture to lessen the impact of
the vibrations, and reduction of the forces causing the vibrations. - Answer -True
It has been proven that color will have a psychological effect on people. For example,
yellow is the accepted color of butter, therefore margarine must also be made yellow. -
Answer -True
______ noise is made up of frequencies covering a significant part of the sound
spectrum, it can be both continuous and intermittent. - Answer -broadband
According to OSHA law, how many continuous hours per day of 100 dBA sound level
would be permitted. - Answer -two hours for every eight hours worked
There are four possible outcomes explained by signal detection theory, they are______.
(Choose all that apply) - Answer --hit
-miss
-false alarm
-correction rejection
_______ is the reduction in informational content due to the alternatives not being
equally likely. - Answer -redundancy
________ is the relationship between a stimulus and response that is consistent with
human expectations. One example is a door handle for pulling versus a plate for
pushing. - Answer -compatibility
_______is defined as saying there is no signal when the signal is present. - Answer -
Miss
In terms of the human operator, the bandwidth for motor-processing task could be as
low as 6 to 7 bits per second are as high as_____ bits per second for speech
communication. - Answer -50
The reason for using patterns for a set of dials in a control room is to conform to OSHA
guidelines. - Answer -False
Choose the five stages of the human information processing model. (Choose all that
apply) - Answer --perception
-decision and response
-memory
-response execution
-attentional resources
You and your team are designing a chair for a desk. You have been instructed that the
chair needs to be able to adjust for the 5% percentile of women through the 95th
percentile of men e height sitting . How much adjustment does the chair need to have? -
Answer -7.2
Control movement without system response is known as ______. - Answer -deadspace
The ______ is the tendency for operators to overshoot the target for short distances and
undershoot it for long distances. - Answer -range effect
Your team is designing a seat for an airline, you have been instructed that the seat must
accommodate the 95th percentile for men and women in regards to the width of the
seat. This width is _______. - Answer -17.2 inches
The three most important task factors leading to cumulative trauma disorders are_____.
(Choose all that apply) - Answer --Force
-Posture
-Frequency
What is the approximate decimal value of a grinder being used to grind high-carbon
steel. (In decibels) - Answer -95-100
_______noise represents distracting sound that will have an impact workers and
efficiency, but not on the workers hearing loss. - Answer -meaningful
The color __________ has the highest visibility. - Answer -yellow
The quality of light and task performance is affected by the amount of gamma rays, the
contrast and the visual light. - Answer -False
The______ is the ambient dry bulb temperature experienced by the worker. - Answer -
environmental temperature
The three classifications of vibration exposure are________. (Choose all that apply) -
Answer --the major portion of the body
-transmission from a supporting area
-localized to a small body area
Sodium vapor lamps have fairly poor color rendering, a shift in frequencies as compared
to a standard source such as daylight, and would probably not be suitable for certain
inspection operations were color discrimination is necessary. - Answer -True
, Workers can be protected from vibration through the introduction of supports to cushion
the body and dampen the vibrations, alterations of body posture to lessen the impact of
the vibrations, and reduction of the forces causing the vibrations. - Answer -True
It has been proven that color will have a psychological effect on people. For example,
yellow is the accepted color of butter, therefore margarine must also be made yellow. -
Answer -True
______ noise is made up of frequencies covering a significant part of the sound
spectrum, it can be both continuous and intermittent. - Answer -broadband
According to OSHA law, how many continuous hours per day of 100 dBA sound level
would be permitted. - Answer -two hours for every eight hours worked
There are four possible outcomes explained by signal detection theory, they are______.
(Choose all that apply) - Answer --hit
-miss
-false alarm
-correction rejection
_______ is the reduction in informational content due to the alternatives not being
equally likely. - Answer -redundancy
________ is the relationship between a stimulus and response that is consistent with
human expectations. One example is a door handle for pulling versus a plate for
pushing. - Answer -compatibility
_______is defined as saying there is no signal when the signal is present. - Answer -
Miss
In terms of the human operator, the bandwidth for motor-processing task could be as
low as 6 to 7 bits per second are as high as_____ bits per second for speech
communication. - Answer -50
The reason for using patterns for a set of dials in a control room is to conform to OSHA
guidelines. - Answer -False
Choose the five stages of the human information processing model. (Choose all that
apply) - Answer --perception
-decision and response
-memory
-response execution
-attentional resources
