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Everyday Codes, Symbols & Pictograms Quiz

Everyday Codes, Symbols & Pictograms Quiz: Power/on-off or standby

Free Symbols & Pictograms quiz: 50 trivia questions and answers — everyday codes decoded. Easy to hard, with explained answers. No sign-up.

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Question 1/5

In media controls, two parallel vertical bars mean…

They are everywhere: on our devices, clothes, roads and screens. This quiz teaches you to decode everyday symbols, the ones we think we know… and often mix up.

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This quiz currently has 50 questions, ranging from easy to hard, available in French, English and Spanish when the Spanish translation is available.

Symbols & Pictograms quiz: trivia questions and answers

Warm up before the quiz with these 10 trivia questions and their explained answers: click a question to reveal the answer.

Easy questions

On electrical equipment, what does a circle with a vertical line at the top usually indicate?

Answer: Power/on-off or standby. The familiar power symbol combines the binary ideas of 1 and 0 and is commonly used for power or standby controls.

A round blue safety sign most often indicates…

Answer: A mandatory action. Mandatory-action signs generally use a blue circle, for example to require eye, head or hearing protection.

In an interface, three dots “…” most often indicate…

Answer: More options or actions. An ellipsis commonly opens a menu with additional actions without cluttering the screen.

A battery icon containing a lightning bolt generally means…

Answer: The battery is charging. A lightning bolt over the battery usually indicates that an external power source is charging the device.

On a textile-care label, a square containing a circle concerns…

Answer: Tumble drying. A circle inside a square represents tumble drying; dots generally indicate the heat level.

Hard questions

A chemical pictogram showing liquid from test tubes attacking a hand and metal means…

Answer: Corrosive. The corrosion pictogram warns of severe skin burns and eye damage and can also indicate corrosion of metals.

What does the black three-bladed trefoil around a central circle represent?

Answer: Ionizing-radiation hazard. The radiation trefoil is the classic international warning symbol for ionizing radiation and radioactive materials.

On a package, an umbrella with raindrops means…

Answer: Keep dry. The umbrella means the package or its contents must be protected from moisture during transport and storage.

On some packages, a crossed-out hook means…

Answer: Do not use handling hooks. This handling symbol forbids hooks that could damage the package or its contents.

A standard EAN barcode is mainly designed to…

Answer: Automatically identify an item. An EAN/GTIN identifies an item in commercial systems; price and other data are generally retrieved from an associated database.

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