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Concordia University *
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Course
6421
Subject
Mechanical Engineering
Date
Feb 20, 2024
Type
docx
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18
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Question 1
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Chemical product containers can be disposed in any bin.
Question 1 Answer
a. True
b. False
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The correct answer is: False
Question 2
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Which of the following sources of energy is not a mechanical hazard?
Question 2 Answer
a. a truck driving with faulty brakes
b. the vibration from a jack hammer
c. a rotating spindle on a wood lathe that is not covered
d. a substation for a high voltage step down transformer
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The correct answer is: a substation for a high voltage step down transformer
Question 3
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Risk is a situation involving exposure to danger. Which of the following statements are true?
Question 3 Answer
a. There is risk all around us, you just must accept it and try not to get hurt.
b. Work is only risky when you work on a large industrial site.
c. Every workplace has a certain amount of risk associated with it, however there are a lot of ways that risk can be managed to keep workers and property safe.
d. Risk management only deals with making sure workers are safe and protected.
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The correct answer is: Every workplace has a certain amount of risk associated with it, however there are a lot of ways that risk can be managed to keep workers and property safe.
Question 4
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For the incidence rates, various factors are used.
The base factor for illnesses is __________________ full-time equivalent workers
Question 4 Select one:
a. 200,000,000
b. 100,000
c. 20,000,000
d. 200,000
e. 100
f. 10,000
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The correct answer is: 10,000
Question 5
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_______ are liquid or solid particles that are so small they can remain suspended in air long enough to be transported over a distance. They can be inhaled.
Question 5 Answer
a. Dusts
b. Smoke
c. Mists
d. Gases
e. Vapors
f. Fumes
g. Aerosols
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The correct answer is:
Aerosols
Question 6
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What is the correct order of controls, from highest effectiveness to lowest?
Question 6 Select one:
a. elimination, substitution, engineering, administration, PPE
b. elimination, engineering, substitution, administration, PPE
c. elimination, administration, substitution, engineering, , PPE
d. substitution, elimination, engineering, administration, PPE
e. elimination,substitution, administration, engineering, PPE
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The correct answer is: elimination, substitution, engineering, administration, PPE
Question 7
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Who should follow the Occupational Health and Safety Act (OHSA) at your workplace?
Question 7 Answer
a. The health and safety team
b. Everyone
c. Managers and supervisors
d. The CEO of the company
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The correct answer is: Everyone
Question 8
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An equipment at your workplace seems to be hazardous to work with due to non-guarding. What
Action(s) would you take to control the hazard?
Question 8 Answer
a. Report to your superior.
b. Using engineering control measures, design suitable guard.
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c. Leave a note on the equipment about the hazards.
d. Ensure the engineering and administrative controls have been followed.
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The correct answer is: Using engineering control measures, design suitable guard.
Question 9
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Select sources to cause fire or explosion:
Question 9 Answer
a. FIRE
b. FUEL
c. Oxygen
d. Sun
e. Water
f. H2O
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The correct answers are: FUEL, Oxygen
Question 10
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Event Tree/Logic Tree, Bowtie Analysis, and HAZOP Analysis are all examples of:
Question 10 Answer
a. Hazard Identification Systems.
b. Risk Assessment Tools.
c. Risk Management Plans.
d. Safety Procedures.
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The correct answer is: Risk Assessment Tools.
Question 11
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For routine plant operation, which of Process Hazard Analysis is the best to use?
Question 11 Answer
a. Screening Level, What-if or HAZOP
b. Checklist and What-if
c. Screening Level, Checklist, What-if, FMEA or HAZOP
d. Screening Level followed by FMEA
e. Checklist followed by HAZOP
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The correct answer is: Screening Level, Checklist, What-if, FMEA or HAZOP
Question 12
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Guide words are used to identify hazardous events in this Process Hazard Analysis technique:
Question 12 Answer
a. Hazard and Operability Study
b. Checklist
c. What-if analysis
d. Screening level
e. Failure Modes and Effects Analysis
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The correct answer is: Hazard and Operability Study
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Question 13
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________ respirators may be used only in environments that contain no oil-based particulates. They may be used in atmospheres that contain solid or non-oil contaminants
Question 13 Answer
a. Class N
b. Class R
c. Class P
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The correct answer is: Class N
Question 14
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Which hazard type should be evaluated for HAZOP analysis?
Question 14 Answer
a. Leaks
b. Reactions
c. Maintenance
d. Corrosion or erosion
e. Service failures
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The correct answer is: Reactions
Question 15
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Drag the elements to their right places on the image
Question 16
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Select important benefits of the risk assessment.
Question 16 Answer
a. Determine of adequacy of existing control measures
b. Prevent injuries or illnesses
c. Identify who might be at risk (employees, staff, visitors, contractors, etc.)
d. Create awareness and inform people of the existing risks
e. Prioritize hazards and control measures
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The correct answers are: Identify who might be at risk (employees, staff, visitors, contractors, etc.), Prioritize hazards and control measures, Determine of adequacy of existing control measures, Prevent injuries or illnesses, Create awareness and inform people of the existing risks
Question 17
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The correct formula to compute the incidence rate for injuries is
Question 17 Select one:
a. I_injury = N_injury / 100 * EH
b. I_injury = N_injury / 2,000,000 * EH
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c. I_injury = N_injury / EH * 200,000
d. I_injury = N_injury / 200,000 * EH
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The correct answer is: I_injury = N_injury / EH * 200,000
Question 18
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Which one of the following is not a method of administrative control?
Question 18 Answer
a. Emergency preparedness
b. Safety culture
c. Process control
d. Signs and informative labels
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The correct answer is: Process control
Question 19
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Risk Analysis is best described as:
Question 19 Answer
a. Hazard identification, risk estimation and risk acceptability
b. Hazard identification and risk estimation
c. Consequence and frequency analyses
d. Hazard identification and risk acceptability
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The correct answer is: Hazard identification and risk estimation
Question 20
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_______ are tiny liquid droplets suspended in air. They are formed in two ways:
(1) when vapors return to a liquid state through condensation; and
(2) when the application of sudden force or pressure turns a liquid into particles.
Question 20 Answer
a.
Aerosols
b. Mists
c. Fumes
d. Vapors
e. Smoke
f. Dusts
g. Gases
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The correct answer is: Mists
Question 21
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_______ substances that cause irritation to the skin, eyes, and the inner lining of the nose, mouth,
throat, and upper respiratory tract
Question 21 Answer
a. Narcotics and Anesthetics
b. Asphyxiants
c. Irritants
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The correct answer is: Irritants
Question 22
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If you are appointed as a safety engineer at your workplace, which of the following is one of your key responsibilities?
Question 22 Answer
a. Advise workers to be careful when working with hazardous equipment and materials
b. Stand by the hazardous equipment to watch closely for any possible hazards
c. Protect others first, when it comes to an emergency situation
d. Develop hazard control designs, methods, procedures and programs
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The correct answer is: Develop hazard control designs, methods, procedures and programs
Question 23
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RAMS is an acronym. In this acronym, the letter S stands for:
Answer: Question 23
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The correct answer is: Safety
Question 24
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Risk assessment is important
Question 24 Answer
a. To determine if existing control measures are adequate
b. To create system of employment data sheets
Safety
c. To identify the technical issues at workplace
d. To process non hazardous work related systems
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The correct answer is: To determine if existing control measures are adequate
Question 25
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Which of the following sources of energy are gravity hazards?
Question 25 Answer
a. working outside in the sun without sun block
b. a person working on a roof of a house without fall arrest protection
c. live electrical wires when a worker is trying to fix an electrical socket
d. hot cooking oil on a gas stove
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The correct answer is: a person working on a roof of a house without fall arrest protection
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