Test 3 Review

Question 1

What is Reliability?

Answer 1

The probability that any item will perform a Specified function for giving time under specific conditions

Question 2

What is human reliability?

Answer 2

The probability of successful human performance on a job or task and any stage of system operation under a given time parameter

Question 3

What does APJ Stand for

Answer 3

Absolute probability judgment

Question 4

PC

Answer 4

Paired comparisons

Question 5

THERP

Answer 5

Human error rate prediction

Question 6

HEART

Answer 6

Human error assessment and reduction technique

Question 7

IDA

Answer 7

Influence diagram approach

Question 8

SLIM

Answer 8

Success likelihood index method

Question 9

In order for a warning to be Successful it has to be?

Answer 9

Detected
Correctly interpreted
Abide by

Question 10

Key things to remember about a written warning

Answer 10

Signal words danger, morning, and caution. Danger is the highest level of warning

Question 11

What are the things that my warning has to have in order to be effective

Answer 11

Signal word, hazard, consequences, instruction

Question 12

If I have a speech signal, what makes people more likely to listen

Answer 12

A female voice, short word or phrase duration, fast sound great, emotional voice rather than monotoned

Question 13

L=

Answer 13

Words/# of sentences

Question 14

N=

Answer 14

syllables/# words

Question 15

What are the three stages of Gen. adaptation syndrome

Answer 15

Stage one: alarm reaction stage two: resistance stage III: exhaustion

Question 16

In order for a label or sign to work it needs to be

Answer 16

Comprehensible legible readable

Question 17

What are the advantages of Job Shop work

Answer 17

Lower frequency of repetitive motions, more recovery time, variety and muscle worked, more mental work

Question 18

What are the disadvantages of Job Shop work

Answer 18

More time on machine setups, increased waist, Porter work for them, increased potential for pairs/mixing, loss of automation system requires more training time, inventories on floor, reduced flexibility, more stress onQuality assurance

Question 19

What dictated maximum allowable work hours until 1985

Answer 19

Walsh Healey act

Question 20

What are the measurements of aerobic work capacity

Answer 20

Whole body, upper body or large muscle groups, lifting tasks, heat

Question 21

What are the measurements of muscles and measurement of work capacity

Answer 21

Strengths, endurance, gripping strength, maximum voluntary lift

Question 22

The greater the effort time the greater the effort the longer the recovery time

Answer 22

Relative effort level, effort time, recovery time

Question 23

Design should be for the weakest person

Answer 23

For a repetitive work task 20%. This is a highly repetitive work task 10%.

Question 24

What are some ways that I can check the cardiovascular effort

Answer 24

Heart rate, blood pressure, arteriolar peripheral resistance

Question 25

What are some signs of fatigue

Answer 25

Change positions, change hands, stepping away when possible, complaints

Question 26

What are some signs of dynamic work fatigue

Answer 26

Labored breathing, reports of being tired, reports of needing more sleep, elevated heart rates at breaks

Question 27

What is maximum voluntary contraction

Answer 27

The greatest force a person is willing to exert for a brief period of time. Six seconds

Question 28

What is maximum voluntary contraction useful

Answer 28

It provides an estimate of work capability

Question 29

What are the static word guidelines

Answer 29

Use of jig or fixture, provide handles or handholds, provide aid for carrying test that last more than one minute with objects more than 15 pounds

Question 30

What is the best measure for dynamic workload

Answer 30

Maximum aerobic work capacity

Question 31

Upper body is 70% of your overall body capacity

Answer 31

True

Question 32

What are the metabolic rates

Answer 32

8 Hour 33% 10 Hour 30% 12 Hour 25%

Question 33

What is the goal of job rotation

Answer 33

Reduce muscle fatigue

Question 34

How frequently should I rotate workers

Answer 34

Every two hours

Question 35

Why should I not rotate workers on a very difficult job

Answer 35

Because you are increasing the people at risk

Question 36

How do we define repetitive work

Answer 36

Tasks whose work cycle takes less than a few minutes to complete and which is repeated for at least two hours

Question 37

How do I make my repetitive work less risky

Answer 37

What a machine do it, spread load over as many muscle groups as possible, design task to allow grasping with power grip rather than pinching, avoid extreme flexion or extension of wrist

Question 38

What are some repetitive work guideline

Answer 38

Designed to keep working Neutral position, Keep forces low especially during rotation or flexion of joint, avoid repetitive gripping, minimize time are paste pressures, use less than 20% of maximum isometric muscle strength of the weakest worker, for very high repetitive rates key to west than 10%

Question 39

How do I Manage my muscular skeletal disorder

Answer 39

Train workers to recognize the symptoms, reassign workers with symptoms to less stressful jobs, Allow workers time to adapt they have been gone for more than two weeks

Question 40

What is a muscular skeletal disorder

Answer 40

It has to do with muscles, bones,Tendons and ligaments