6524629
Descrição
Quiz por Neil Revollo, atualizado more than 1 year ago
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Criado por Neil Revollo
mais de 7 anos atrás
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Questão 1
Questão
Why are all HVACR tradesmen advised to enroll in an approved safety-training program?
Responda
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Quick and proper treatment of injuries can result in less pain and possibly save lives.
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It is required by OSHA.
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It is required by ANSI.
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It is required by law for all tradesmen that belong to a union.
Questão 2
Questão
Who is primarily responsible for the technician's safety?
Responda
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The employer to ensure that all employees be familiar with safety data concerning hazardous materials.
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OSHA to familiarize employees with safety data concerning hazardous materials.
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The employee to familiarize himself/herself with safety information regarding the workplace.
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The state to ensure that all employees in the workplace are familiar with safety data concerning hazardous materials.
Questão 3
Questão
While materials that contain asbestos are processed, shaped, or cut:
Responda
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An exhaust blower system using a 7% efficient filter must be operating.
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An exhaust blower system using a 5% efficient filter must be operating.
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An exhaust blower system using a 50% efficient filter must be operating.
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An exhaust blower system using a HEPA filter must be operating.
Questão 4
Questão
Safety protection should be worn:
Responda
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When working with liquids, vapors, or solid objects that are extremely hot or cold.
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When working with power tools.
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At all times when performing any work that requires PPE.
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When handling refrigerant cylinders.
Questão 5
Questão
How should accidents be reported to the company office?
Responda
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An accident report form should be filled out and turned into the company office.
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A medical report form should be filled out and turned into the company office.
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A progress report form should be filled out and turned into the company office.
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A privacy report form should be filled out and turned into the company office.
Questão 6
Questão
How can maintaining an orderly shop be beneficial?
Responda
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Less time is spent using required tools or materials.
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There is more frustration when searching for required tools or materials.
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There is less productivity when using required tools or materials.
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Less time is wasted searching for required tools or materials.
Questão 7
Questão
When working in a confined space where concentrations of harmful substances are very high, why should atmosphere-supplying respirators be worn?
Responda
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To enable asphyxiation to occur in a very short time
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To purify air of harmful dust, mist, metal, fumes, and vapors
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To supply clean breathing air from a compressed air source
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To circulate odorless, tasteless, invisible refrigerants
Questão 8
Questão
How can you easily maintain MSDS documents?
Responda
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Log all of the MSDSs in a computer system.
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Alphabetize the MSDSs by active ingredient.
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Put MSDSs in a manilla envelope within the service vehicle.
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Throw the MSDSs in a box and put it in a closet.
Questão 9
Questão
When should you read the MSDS for a particular chemical product?
Responda
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In the event of any injury causing accidents
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After completing the job
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Immediately after exposure to the product
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Before using the product
Questão 10
Questão
How can you determine what PPE should be used with any particular chemical product?
Responda
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Read the MSDS form for that product.
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Call the EPA.
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Ask the foreman.
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Ask another worker.
Questão 11
Questão
Information that is required on an MSDS includes (you may select more than one):
Responda
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Hazardous Ingredients
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Identity of the Chemical
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Physical and Chemical Properties
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Instructions for Use
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Manufacturing Date
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Flammability
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Emergency Contact Information
Questão 12
Questão
When working with tools, a safety procedure to follow is to:
Responda
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Check where the tool was manufactured regarding quality.
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Always read the manufacturer's instructions.
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Read the warranty information.
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Make sure the tools belong to you.
Questão 13
Questão
Why should tools only be used for the job they were intended to perform?
Responda
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The tool manufacturer may sue you for improper tool use.
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The tool manufacturer's can take your tools back if you violate the terms of use agreement.
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They have not been tested for safety for jobs they were not designed for.
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Jobs are billed by the number of tools used.
Questão 14
Questão
When using portable electric tools with metal cases, you should:
Responda
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Lubricate the tool plug before plugging it in.
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Always make sure you are well grounded.
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Always use a GFCI receptacle or GFCI adapter.
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Use as long an extension cord as possible.
Questão 15
Questão
Before changing the blade in an electric circular saw, you should:
Responda
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Unplug the saw.
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Work quickly to reduce the chance of the saw starting.
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Put on heavy gloves.
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Place a screwdriver down in the motor section to prevent the saw from starting.
Questão 16
Questão
Select safe tool practices. You may select more than one.
Responda
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Keep tools sharp and clean
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Do not work with tools in the dark
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Use correct fitting wrenches
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Always ground yourself when working around electricity
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Wear thick gloves when working in the dark
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Arrange your tools around you in a convenient pattern on the floor
Questão 17
Questão
The base of an extension ladder that is correctly set up will be:
Responda
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Exactly 3 feet from the wall.
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As close to vertical as possible.
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1 foot from the wall for every 4 feet in length.
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The same distance away from the wall as the height of the ladder.
Questão 18
Questão
The top of an extension ladder:
Responda
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Should extend at least 36 inches above the point where it rests on the building.
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Flush with the edge of the roof.
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At least 12 inches below the point where it rests on the building.
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At least 12 inches above the point where it rests on the building.
Questão 19
Questão
How can a confined space, such as a walk-in cooler or underground tunnel become a safety hazard?
Responda
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Cell phones do not receive service in confined spaces.
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The oxygen is limited; long exposure can cause suffocation.
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The nitrogen can combine with carbon dioxide to form a toxic gas.
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Electricity flows more readily in a confined space.
Questão 20
Questão
When entering a confined space:
Responda
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You should take a radio or cell phone for emergency calls in case you pass out.
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You should wear clothes that are resistant to spontaneous arcing.
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Another worker should be posted outside the confined space.
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You should leave a note at the entry point.
Questão 21
Questão
Select safe shop practices. You may select more than one.
Responda
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Wipe up liquid spills at the end of every week
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Make sure any tools left on the floor are easily visible
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Keep walking aisles clear of parts and tools
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Store oily shop towels in metal waste containers
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Store face shield by grinding equipment
Questão 22
Questão
One fire extinguisher in a work area is sufficient:
Responda
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If its capacity is large enough to handle a fire that could occur.
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When water is accessible in a work area.
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As long as it is the right class.
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Providing it is capable of extinguishing class A, B, C, and D fires.
Questão 23
Questão
How is size of an extinguisher related to its ability to put out a fire?
Responda
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The more combustible materials, the smaller the extinguisher.
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The fewer combustible materials, the newer the extinguisher.
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The fewer combustible materials, the bigger the extinguisher.
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The more combustible materials, the bigger the extinguisher.
Questão 24
Questão
To avoid electrical shock, what class fire extinguisher should be used on electrical equipment?
Responda
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Class A
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Class B
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Class C
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Class D
Questão 25
Questão
Select the lifting techniques that will reduce the possibility of injury from lifting a heavy item? Select all that apply.
Responda
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Keep the load close to your body
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Lift slowly
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Keep your knees as straight as possible
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Keep your back as straight as possible
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Use your leg muscles to do the work
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Lift quickly
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Use your back muscles to do the work
Questão 26
Questão
Why should oil or grease never be used to lubricate oxygen or acetylene regulators?
Responda
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It will result in the loss of the manufacturer's warranty.
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It decreases the accuracy of the gauges.
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It can react with certain chemicals or materials and result in an explosion.
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It can result in valve damage due to corrosion.
Questão 27
Questão
Acetylene tanks should always be stored and transported:
Responda
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In such a manner as to safely store or transport the greatest number of cylinders possible.
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In a safely secured horizontal position.
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Upright and safely secured in a vertical position.
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Upright, but at an angle of no more than 45 degrees and safely secured.
Questão 28
Questão
Acetylene should never be used:
Responda
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Above 20 psi.
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Above 15 psi.
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Below 20 psi.
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Below 15 psi.
Questão 29
Questão
Before loading a torch set onto the back of your service truck, you should:
Responda
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Close the cylinder valves and remove the regulators.
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Prepare a clutter free area to lay the torch set down for safety.
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Make sure to properly adjust the regulators.
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Vent all the gas from the cylinders.
Questão 30
Questão
When the safety cap is removed from acetylene cylinders that hold 55 ft3 or more:
Responda
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The cylinder must be chained to a cart or structure.
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The cylinder must be in a vertical position.
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The cylinder must have a regulator installed on it.
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The cylinder must be laying in a horizontal position.
Questão 31
Questão
Which agency requires ground fault interrupters to be used when operating power tools outside?
Responda
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UL
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ANSI
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OSHA
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EPA
Questão 32
Questão
How often should live circuits be worked on?
Responda
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Only when absolutely necessary
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Whenever deemed necessary
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When somewhat necessary
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When the power goes out
Questão 33
Questão
A simple tool that technicians can use to check for energized circuits is:
Responda
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A screwdriver with a good insulated handle.
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The non-contact voltage detector.
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The digital storage oscilloscope.
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A wattmeter.
Questão 34
Questão
Federal law mandates that:
Responda
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All used refrigerants must be sold to an ESCO certified reclamation site.
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All used refrigerants must be sold to a UL or ANSI certified reclamation site.
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All used refrigerants must be sold to an OSHA certified reclamation site.
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All used refrigerants must be sold to an EPA certified reclamation site.
Questão 35
Questão
When refrigerants are exposed to glowing metal surfaces or flames:
Responda
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Carbon monoxide is produced and should be vented.
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Lethal phosgene gas is produced.
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Best practices require the use of proper eye protection.
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A respirator capable of filtering fine dust must be worn.
Questão 36
Questão
Why are used refrigerant oils not disposed of at an automotive oil recycler?
Responda
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Used refrigerant oil and used automotive oils are interchangeable.
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Used refrigerant oil and used automotive oils are not compatible.
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Used refrigerant oil and used automotive oils can be mixed during disposal.
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Used refrigerant oil and used automotive oils are compatible.
Questão 37
Questão
How can a non-toxic, non-flammable refrigerant still be dangerous when released in a confined space?
Responda
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The refrigerant can replace the air, causing suffocation.
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A chemical reaction with the air can create a toxic gas.
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The space temperature can quickly drop below freezing.
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A chemical reaction with the air can create a flammable byproduct.
Questão 38
Questão
Safe methods of heating a refrigerant cylinder during charging include (you may select more than one):
Responda
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Warm condenser discharge air
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Boiling water
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An oxy-acetylene torch with a rosebud tip
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An air acetylene torch adjusted to a low flame
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Warm water
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An electric cylinder heater
Questão 39
Questão
The date of inspection for refrigerant containers that require inspection:
Responda
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Must be stamped on the top of the container.
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Should be painted by the number of the refrigerant type on the side of the container.
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Must be painted the same color as the refrigerant container.
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Is always stamped on the bottom of the container.
Questão 40
Questão
A refrigerant container should never be heated or stored in temperatures above:
Responda
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125°F.
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100°F.
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95°F.
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115°F.
Questão 41
Questão
How would one know if a refillable refrigerant cylinder is safe to use?
Responda
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It will have an inspection date stamped at the top.
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It will have an inspection date stamped at the middle.
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It will have an inspection date stamped at the side.
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It will have an inspection date stamped at the bottom.
Questão 42
Questão
Refrigerant recovery cylinders should not be filled above:
Responda
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90% of their volume with liquid.
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70% of their volume with liquid.
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80% of their volume with liquid.
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100% of their volume with liquid.
Questão 43
Questão
How should a refrigerant cylinder be warmed up during service?
Responda
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With warm water not over 125°F.
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Use an open flame in an area that is vented outdoors.
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With live steam if available.
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Place the cylinder in a 350°F oven.
Questão 44
Questão
Why should fluorocarbon refrigerant systems not be serviced around an open flame?
Responda
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Even small quantities of fluorinated refrigerant are explosive.
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The refrigerant might put out the flame.
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The refrigerant is flammable.
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Poisonous gas can be created.
Questão 45
Questão
The maximum fill level for a refillable refrigerant cylinder is:
Responda
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Refillable cylinders should not be refilled with refrigerant.
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80% of its volume.
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100% of its volume if the cylinder is rated for that particular refrigerant.
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70% of its volume.
Questão 46
Questão
Select the gasses that are safe to use for refrigeration system pressure testing.
Responda
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Nitrogen
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Acetylene
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Carbon dioxide
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Oxygen
Questão 47
Questão
Pressure vessels can be hazardous because:
Responda
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They emit harmful UV light at higher working pressures.
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They can cause electrical shock if the internal motor shorts out.
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They are large and technicians might trip over them.
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They can rupture violently like a bomb.
Questão 48
Questão
Pressure vessels such as boilers should have a placard on or near the vessel that displays:
Responda
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The material the vessel is made of and the name of the inspector.
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The manufacturing date and type of material the vessel is made of.
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The parts per million casting impurities and the alloy shear strength.
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When it was inspected and when the next inspection should be.
Questão 49
Questão
Why might a bad driving record make it difficult to get a job at a service company?
Responda
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Service trucks with breathalyzer interlock cost more money.
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The company may be required to post a "Dangerous Driver" sign on their service vehicle.
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Your driving record is only important if you will be driving a bus.
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Your driving record affects the cost of insurance to the company.
Questão 50
Questão
Why is safe driving a big part of HVACR job safety?
Responda
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Many HVACR jobs involve driving to get to the job.
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Employers assume that safe drivers are smarter.
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You have to drive to get to work.
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There are not many other aspects of HVACR safety.
Questão 51
Questão
In case of an accident, the first step is:
Responda
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Report the accident to the office.
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File an insurance report.
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Call 911.
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Administer first aid.
Questão 52
Questão
Which types of accidents should be reported?
Responda
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All accidents
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Only accidents involving loss of blood
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Only accidents where the injured worker is obviously hurt
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