HEAL-102-Health & Safety Flashcards
Hydrogen sulfide is:
A) heavier than air.
Health effects can occur with H2S exposure as low as 2-5 ppm. (True/False)
True
Which of the following actions can reduce a welder’s chances of receiving an electric shock? (Multiple choice)
A) Welding with damp gloves
B) Using a voltage-reducing device
C) Working with damaged equipment
D) Contact with part of the welding circuit
B) Using a voltage-reducing device
Distinguish best practice for minimizing electric shock. (Multiple choice)
A) Protect the body from damp surfaces when welding with damp gloves.
B) Use a voltage-reducing device when changing live parts on a welding machine.
C) Rubber-soled work boots should be worn to prevent direct or indirect contact with damp surfaces.
D) Work leads should be connected as far away as possible to avoid stray current flow through crane cables.
C) Rubber-soled work boots should be worn to prevent direct or indirect contact with damp surfaces.
When working in confined spaces, the standby observer: (Multiple choice)
A) should enter the confined space only in an emergency.
B) should enter the confined space only when an electrical hazard is present.
C) should enter the confined space only if the safety line becomes tangled.
D) should not enter the confined space unless specifically trained and certified to perform a confined space rescue.
D) should not enter the confined space unless specifically trained and certified to perform a confined space rescue.
Before allowing anyone to work in a confined space: (Multiple choice)
A) a breathing air supply line must be placed inside.
B) the company must have a written confined space procedure.
C) a wooden platform is to be placed inside to raise the worker to a safe level.
D) two safety persons must be on hand with a telephone.
B) the company must have a written confined space procedure.
It is the responsibility of the employer to provide a level of safety for all workers. (True/False)
True
Which of the following information would normally be found on a WHMIS supplier label? (Multiple Choice)
A) Precautionary Statement, product identifier, WHMIS hazard symbol.
B) Work place label, Safe handling precautions, First aid measures.
C) Handling and storage measures, Toxicology information, Regulatory Information.
D) Exposure controls, Firefighting measures, Disposal considerations.
A) Precautionary Statement, product identifier, WHMIS hazard symbol.
Which type of clothing is best suited for working in a welding environment? (Multiple choice)
A) Clothes made with synthetic materials
B) Clothes made from cotton or wool
C) Polyester clothing
D) Cuffed denim materials
B) Clothes made from cotton or wool
What does a transparent welding curtain (TWC) protect against? (Multiple choice)
A) Ionizing radiation.
B) Gamma rays.
C) UV radiation.
D) High noise levels.
C) UV radiation.
What practice is used to protect from heat, ignition, noise, and electric shock? (Multiple choice)
A) The proper use of PPE.
B) Good housekeeping practices.
C) Job safety analyses.
D) Hot work permits.
A) The proper use of PPE.
Safety glasses with side shields can protect from UV light rays. (True/False)
True
Workers using respirators shall be trained in: (Multiple choice)
A) Verification, usability, and material.
B) Purification, fume exposure, and air supply.
C) Inspection, fit testing, and maintenance.
D) Certification, exposure, and expiry.
C) Inspection, fit testing, and maintenance.
When using GMAW, determine the minimum shade number used at 250 amps. (Multiple choice)
A) 7
B) 10
C) 12
D) 14
B) 10
- A welder can protect others from over-exposure to UV and IR radiation as well as, to a lesser degree, welding fumes by: (Multiple choice)
A) Natural ventilation.
B) The use of welding screens.
C) Warning personnel as they walk by.
D) The welder keeping their back to the wall.
B) The use of welding screens.
(Not A) Natural ventilation.
What is the purpose of a fall restraint system? (Multiple choice)
A) Safely stop a worker’s fall once it has occurred.
B) Restrict a worker’s movement to prevent a fall.
C) Absorb the forces on the anchor points of a body harness.
D) Reduce the number of guardrails for limited access work zones.
B) Restrict a worker’s movement to prevent a fall.
Stair and balcony railings may be used for anchoring points for a fall arrest system. (True/False)
False
CCOHS recommends testing when a worker is exposed to noise levels greater than______ dBA. (Multiple choice)
A) 80
B) 85
C) 90
D) 95
B) 85
The CSA Hearing loss prevention program recommends: (Multiple choice)
A) an initial hearing test plus testing every 6 months.
B) an initial hearing test plus testing at 12 month intervals.
C) an initial hearing test, then testing every 18 months.
D) an initial hearing test with a follow-up when needed.
B) an initial hearing test plus testing at 12 month intervals.
Determine the decibel range of the sound of close thunder or a jet taking off. (Multiple choice)
A) 100 - 110 dBA
B) 110 - 120 dBA
C) 120 - 130 dBA
D) 130 - 140 dBA
C) 120 - 130 dBA
Compressed welding gases can freeze exposed skin to temperatures as low as -228° C (-378.4°F). (True or False)
True
- Which type of radiation will create heat burns to exposed skin that may cause cataracts and retina damage? (Multiple Choice)
A) Infrared radiation.
B) Ultraviolet radiation.
C) Visible radiation.
D) Ionizing radiation.
(Not B) Ultraviolet radiation.
(in book it says UV)
Which would be the best way to protect yourself from chemical hazards?
A) Read and understand the manufacturers, SDS and WHMIS information.
B) Discussing the chemical concerns with your supervisor.
C) Testing the chemical on an inconspicuous area.
D) Making sure that your work area is clean and well lit.
A) Read and understand the manufacturers, SDS and WHMIS information.
Low morale, low productivity, trip and fall hazards can all be a product of? (Multiple Choice)
A) Poor work hour scheduling.
B) Poor housekeeping practices.
C) Increased work days.
D) Split work shifts.
B) Poor housekeeping practices.
- What may happen when exposed to ionizing radiation emitted by x-rays or gamma rays used in radiography of welds ? (Multiple Choice)
A) Can cause damage to living cells.
B) May burn the skin.
C) Vision impairment may occur.
D) May cause immediate nausea and vomiting.
A) Can cause damage to living cells. ?
(Not C) Vision impairment may occur.
Choose which harmful effects occur to skin exposed to the UV rays of the welding arc: (Multiple Choice)
A) Can cause intense reddening and burning of the skin similar to a sunburn.
B) Will show redness and painful swelling immediately.
C) Dry quickly and requires lotion to prevent cracking.
D) May cause permanent blindness when exposed for a very short period .
A) Can cause intense reddening and burning of the skin similar to a sunburn.
When climbing up a ladder: (Multiple choice)
A) two points of contact are required.
B) the ladder should extend a minimum of two feet past the landing.
C) three points of contact are always required.
D) fall protection must be employed no matter the height.
C) three points of contact are always required.
What is the major fume component released when welding common structural steels? (Multiple choice)
A) Silicon dioxide.
B) Chromium dioxide.
C) Iron oxide.
D) Magnesium oxide.
C) Iron oxide.
Ozone is visible in welding fumes when using the gas tungsten are welding (GTAW) process: (True/False)
False
Gases such as ozone, carbon monoxide, nitrogen oxides and phosgene can be produced by: (Multiple choice)
A) The heat of the arc.
B) The length of the arc.
C) Infrared light.
D) Ultraviolet light.
D) Ultraviolet light.
When welding some of the chromium in stainless steels, in the heat of an arc, what may some of the chromium break down into? (Multiple choice)
A) Hexavalent chromium.
B) Chromium dioxide.
C) Chromium silicide.
D) Chromium zinc oxide.
A) Hexavalent chromium.
It is the responsibility of the employee to complete, submit, and approve a permit, and for the employer to review the appropriate permits fully. (True/False)
False
Employees are responsible for establishing and implementing lockout/tagout procedures. (True/False)
False
What type of fire is a Class D fire extinguisher used for? (Multiple choice)
A) Wood and paper.
B) Chemical.
C) Electrical.
D) Combustible metal and metal alloys.
D) Combustible metal and metal alloys.
Falling sparks and spatter from 5 m (16.5 ft) high can travel: (Multiple choice)
A) 3 - 6 m (10 - 20 ft)
B) 4 - 8 m (13 - 26 ft)
C) 5 - 10 m (16 - 33 ft)
D) 8 - 12 m (26 - 39 ft)
B) 4 - 8 m (13 - 26 ft)
Determine the sequence of events when deploying a fire extinguisher. (Multiple choice)
A) Aim nozzle at base of fire, pull pin, sweep from side to side, and squeeze lever.
B) Pull pin, aim nozzle at base of fire, squeeze lever, and sweep from side to side.
C) Sweep from side to side, pull pin, squeeze lever, and aim nozzle at base of fire.
D) Pull pin, sweep from side to side, squeeze lever, and aim nozzle at base of fire.
B) Pull pin, aim nozzle at base of fire, squeeze lever, and sweep from side to side.
