TUTORIAL 3 THE HIERARCHY OF CONTROL MEASURES. i) ELIMINATION ii).. iii) ENGINEERING CONTROL iv) ADMINISTRATIVE CONTROLS

Size: px

Start display at page:

Download "TUTORIAL 3 THE HIERARCHY OF CONTROL MEASURES. i) ELIMINATION ii).. iii) ENGINEERING CONTROL iv) ADMINISTRATIVE CONTROLS"

Godwin Charles
6 years ago
Views:

TUTORIAL 3 PART A: 1. Under the Hierarchy of the Hazard / Risk Control measures, the most effective control measure is the, meanwhile one of the last defenses ( back-up controls) is the. a.

1 TUTORIAL 3 PART A: 1. Under the Hierarchy of the Hazard / Risk Control measures, the most effective control measure is the, meanwhile one of the last defenses ( back-up controls) is the. a. substitution ; administrative control b. elimination ; personal protective equipment c. engineering control ; elimination d. isolation ; personal protective equipment 2. Multiple Causation Theory refers to the fact that there may be more than one cause to any accident. In the case of an investigation of a fall from a Ladder using the Heinrich approach, it may reveal that the.. was climbing a defective ladder whereas the is the defective ladder itself. a. unsafe condition ; unsafe act b. unsafe act ; engineering control c. personal attitude ; unsafe condition d. unsafe act ; unsafe condition e. personal attitude ; engineering control THE HIERARCHY OF CONTROL MEASURES i) ELIMINATION ii).. iii) ENGINEERING CONTROL iv) ADMINISTRATIVE CONTROLS v) 3. What are the control measures (ii) and (v)? a. (ii) Substitution ; (v) Personal Protective Equipment b. (ii) Isolation ; (v) Limitation c. (ii) Policies and Procedures ; (v) Enclosure d. (ii) Containment ; (v) Job Rotation e. (ii) Organization of Activities at the right time ; (v) Evaluation 1 TUTORIAL/SHE/MGT1023/SFZ

2 4. is anything can cause harm ( e.g. chemicals, electricity, working on ladders) is the chance or probability (big or small) of harm actually being done which can be expressed as the number of events in unit time. a. Danger ; Unsafe Condition b. Risk ; Harm c. Incident ; Safety & Health Possibility d. Unsafe Act ; Safety Probability e. Hazard ; Risk 5. The fundamental principle behind any Occupational Safety and Health program should be the control of hazards. The THREE (3) basic steps of control of hazards that should be taken to ensure a safe and healthy workplace are i. recognition / identification ii. evaluation / risk assessment iii. regularly review the steps iv. hazard / risk control v. engineering control vi. elimination / substitution a. i, iii and iv b. ii, iv and vi c. i, ii and iv d. iii, v and vi e. ii, v and vi 6. Pollution became popular issue after World War 2 and it harms the earth s environment and its inhabitants in many ways. The THREE (3) main types of pollution is EXCEPT: a. Air pollution b. Water pollution c. Cloud pollution d. Land pollution 7. A signal word is a word that shall indicate the relative degree of severity of an immediate hazard. For uniformity, signal words are associated with specific colours. Basically, how many colours use in safety signage? a. 5 b. 4 c. 7 d. 3 2 TUTORIAL/SHE/MGT1023/SFZ

3 8. Which of the following is considered to be violence and harassment? a. Physical assault or aggression b. Any unasked-for and unwelcome conduct, comment, gesture or contact which causes offence and humiliation c. Physical harm which creates mistrust or fear, or which compromises and devalues the individual d. All of the above 9. When trying to predict who might become violent or aggressive in the workplace, the BEST indicator is? a. Intelligence b. Occupation c. Past history of violence d. Age and gender 10. One of the best ways to prevent violence and harassment in the workplace is to develop a prevention program. What are the components of a good prevention program? a. Risk assessment b. Policy development c. Education and training d. All of the above 11. Which of the following can cause fatigue in the workplace? a. Long hours of work, physical and/or mental activity b. Inadequate rest c. Excessive stress d. All of the above 12. Hazards are situations or things that may be dangerous to workers safety or health. Hazards can cause injury or illness. Which of these is a hazard? a. Safe surrounding workplace environment b. Loud music or noises c. Work based on the correct SOP d. Checklist to inspect any damage of machine 13. Hazards are often grouped into FIVE (5) categories. Which category would sewage fall under? 3 TUTORIAL/SHE/MGT1023/SFZ

4 a. Physical b. Biological c. Chemical d. Psychosocial e. Ergonomic 14. There are a number of ways to identify hazards in the workplace. One way to identify hazards is to watch everyone work. a. True b. False 15. The FOUR (4) major sources of hazards come from people, equipment, environment and materials. Which is NOT the source of hazards cause by people? a. They may be more focused on speed rather than safety b. They may not be properly trained c. They may be do a work by following the correct instructions and SOP d. They may be distracted by talking with others 16. If workplace noise cannot be avoided, it s important to wear effective hearing protection. Which of the following does NOT offer effective hearing protection? a. Expendable foam ear plugs b. Canal caps c. Cotton balls d. Earmuffs 17. The first step in staying safe is? a. Avoiding any work that might be dangerous b. Learning to spot a hazard before an incident happens c. Sticking to safe jobs d. Letting other workers handle the dangerous stuff 4 TUTORIAL/SHE/MGT1023/SFZ

5 18. Your employer has a number of obligations to young workers. Which one of the following is NOT part of the employer s legal responsibility? a. Make sure you have the training, skills and experience to do the job b. Be pleasant and considerate c. Alert you to safety hazards d. Provide you with certain types of safety equipment 19. Employers can order workers to perform any task, even if the worker believes it to be dangerous. a. True b. False 20. If you are ever injured on the job, the first thing you should do is: a. Notify your boss b. Notify your parents c. Get medical help or first aid d. Talk about it with your co-workers 21. An event which did not result in injury or damage to property but had the potential to do so and it shares the same root causes as an accident is a definition for: a. Hazard b. Probability c. Incident d. Near miss 22. Which one is NOT the contributing factor to accidents for immediate causes? a. Human behaviour b. Unplanned event c. Environmental surroundings d. Design and procedures including use of material 23. Air pollution includes all contaminants found in the atmosphere. These dangerous substances can be either in the form of gases or particles. Air pollution can be found both outdoors and indoors. An action can be taken in order to reduce air pollution EXCEPT: a. Carpool or join a ride share with friends and co-workers b. Do not use harsh chemical cleaners that can emit fumes 5 TUTORIAL/SHE/MGT1023/SFZ

6 c. Do not wash paint brushes in the sink d. Avoid open burning 24. If an exposure to a hazard has a scale of 12, and the hazard itself is having a factor of 3, what is the risk? a. 15 b. 9 c. 4 d Which of the followings is showing the hierarchy of control from the MOST important to the least wanted steps? a. elimination; isolation; substitution; engineering control; administrative control; personal protective equipment (PPE) b. elimination; isolation; administrative control; substitution; engineering control; personal protective equipment (PPE) c. personal protective equipment (PPE); engineering control; administrative control; isolation; substitution; elimination d. substitution; personal protective equipment (PPE); isolation; elimination; administrative control; engineering control 26. Under the Hierarchy of Control, the most effective control is the.., meanwhile one of the least effective is the.. a. Substitution; administrative control b. Isolation; personal protective equipment (PPE) c. Engineering control; elimination d. Elimination; personal protective equipment (PPE) 27. It is inappropriate to install carpeting in areas where there is a perpetual moisture problem (under drinking fountains, and sinks), or on concrete floors without proper vapor barrier and sub flooring. Which hazard will be existed from this situation? a. Physical hazard b. Biological hazard c. Chemical hazard d. Psychosocial hazard 28. Legionnaires' disease is a type of pneumonia. It was named after an outbreak of severe pneumonia that affected a meeting of the American Legion in It is an uncommon but serious disease. What is the main route of entry for Legionella bacteria? a. Absorption b. Inhalation c. Ingestion 6 TUTORIAL/SHE/MGT1023/SFZ

7 d. Injection 29. Tuberculosis (TB) is a contagious disease. Only people who are sick with TB in their lungs are infectious. How is tuberculosis (TB) transmitted? a. By contact with articles soiled by infected persons b. By infection from contaminated food and water c. By direct contact with infected persons and airborne particles d. Through open or puncture-type wound PART B: 1. Define: i) Environmental Law (4 marks) ii) Pollution (4 marks) iii) Hazard (3 marks) iv) Risk (1 marks) v) Danger (1 marks) vi) Near miss (3 marks) 2. What is Environmental Standard? (4 marks) CASE STUDY: 1. Table 1 below show the measurement of noise exposure record toward workers at Papan Wood Industries Bhd. The following readings show the results for 8-hour shift: DURATION DECIBELS 8.00 A.M A.M 91 dba A.M A.M 97 dba A.M P.M 83 dba P.M 3.00 P.M 86 dba 3.00 P.M 4.00 P.M 95 dba Table 1 By referring OSHA Standard of noise standard (Appendix 1): i) Compute a time-weighted average exposure for the workers. (5 marks) 7 TUTORIAL/SHE/MGT1023/SFZ

8 ii) Have Permissible Exposure Limit (PELs) and Action Level (AL) have been exceeded the standard? (2 marks) 2. FIVE (5) machines contribute the following noise levels (dba) to 15 workers at Kilang Rancid Sdn. Bhd. Calculate the combine noise level that was received by each worker. Machine A = 102 dba Machine B = 103 dba Machine C = 98 dba Machine D = 99 dba Machine E = 85 dba (6 Marks) 3. Table 1 below show the measurement of noise exposure record toward workers at Shinoda Sdn. Bhd. The following readings show the results for 8-hour shift: DURATION DECIBELS 8.00 A.M 8.30 A.M 87 dba 8.30 A.M P.M 93 dba P.M 3.30 P.M 86 dba 3.30 P.M 4.00 P.M 70 dba Table 1 By referring OSHA Standard of noise standard (Appendix 1): i. Compute a time-weighted average exposure for the workers. (5 marks) ii. Have Permissible Exposure Limit (PELs) and Action Level (AL) have been exceeded the standard? (2 marks) 8 TUTORIAL/SHE/MGT1023/SFZ

9 4. EIGHT (8) machines contribute the following noise levels (dba) to workers at Santok Singh Bhd. Calculate the combine noise level that was received by each worker. Machine I = 82 dba Machine II = 84 dba Machine III = 84 dba Machine IV= 86 dba Machine V = 91 dba Machine VI = 92 dba Machine VII = 95 dba Machine VIII = 99 dba (9 Marks) 5. Table 1 below show the measurement of noise exposure record toward workers at Aerosmith Industries Bhd. The following readings show the results for 8-hour shift: DURATION DECIBELS 9.00 A.M A.M 81 dba A.M A.M 84 dba A.M P.M 90 dba P.M 3.00 P.M 95 dba 3.00 P.M 5.00 P.M 86 dba Table 1 By referring OSHA Standard of noise standard (Appendix 1): i. Compute a time-weighted average exposure for the workers. (5 marks) ii. Have Permissible Exposure Limit (PELs) and Action Level (AL) have been exceeded the standard? (2 marks) 9 TUTORIAL/SHE/MGT1023/SFZ

10 6. THREE (3) machines contribute the following noise levels (dba) to workers at Butterfingers Ltd. Co. Calculate the combine noise level. Machine A = 83 dba Machine B = 87 dba Machine C = 93 dba 7. Syarikat Muse gets a contract to supply 30 workers to Syarikat Placebo. All of 30 workers are instructed to work as wood cutter without given any training and self protective equipment. According to this case; a) Who are the employer and employee? Elaborate. b) Elaborate the responsibility of employer and employee according to OSHA (10 marks) 10 TUTORIAL/SHE/MGT1023/SFZ

11 8. Identify the hazard(s) Hazard Description Hazard Type(s) a. Heat stress b. Prolonged work at a computer c. Soiled bandages left over from a first-aid incidents d. Cleaning tools with a chemical degreaser e. Climbing to the top of a storage tank to check a relief valve f. Using X-rays for non-destructive equipment testing g. Vapor release h. Resin dust i. Pouring hazardous materials without chemical splash goggles, a face shield, or respiratory protection j. Adding bucket quantities of materials to a reactor k. Operating a grinder without goggles or a face shield l. Moving a 55-gallon drum without proper equipment m. A small acetone spill in the laboratory n. Working in an estate area where large mosquito population are present o. Entering and remaining in a rail car for cleaning over a period of time p. Welding arc q. Cavitating pump r. Leaking flange on a methanol pipeline s. Poor ventilation in a raw-material storage shed t. Hauling long lengths of hose u. Isolating a valve prior to maintenance 11 TUTORIAL/SHE/MGT1023/SFZ

Recognition, Evaluation, and Control of Hazards

Recognition, Evaluation, and Control of Hazards Latest revised date: October 26, 2011 Page 1 of 8 1.0 Introduction Memorial University has established a system for the recognition, evaluation, and control