Perguntas sobre exemplo de orações com, e a definição e o uso de "Faulty"

A: Faulty means broken

A: "The plug on the television was faulty when we brought it, I demand a refund! "

A: The device was faulty.
The fire was caused by a faulty wire.
He had a faulty memory.
Their logic was faulty.

A: Broadly speaking, flawed means there's something wrong with it and defective means it's broken. But they generally get used in different situations

(Some) things that can be flawed:
Arguments
Logic
Appearance
Personality
Stone/marble/gems

(Some) things that can be defective:
Machines
Electronics
Vehicles
Fruits/vegetables
Basically anything that performs a function

When faulty is used for the kinds of things you might use flawed for, it means flawed; when it's used for the kinds of things you might use defective for, it means defective.

A: Their meanings are very very close. They are used for different objects: mechanical objects and non-mechanical objects.

Defective is mostly used for mechanical objects. It means the mechanical object is not working and something is wrong with it. The object has a defect.
Example:
Defective cars, defective computers, defective lights. Defective products.
"The lights were defective so I called the technician to fix them."
"The computer that I bought had many defects."
You also hear "defective eyesight" or "defective hearing" but that can be rude. "Defective" usually applies to mechanical objects so it's rude to use on people.

Faulty means something has faults or that something is wrong with it. But this can be used for more abstract objects.
Examples:
Faulty wiring, faulty cars, faulty faucets, faulty thinking, faulty argument, faulty reading, faulty system.
"You better fix the faulty wiring because it might be the cause of an accident."
"If you read this carefully, you will see that his arguments are faulty."

Out of the three, flawed is used for non-mechanical objects.
Example: flawed thinking, flawed ideas, flawed observation, flawed viewpoint. Flawed plan, flawed person.
"This suggestion is flawed because you didn't plan it well."
"I love you even if you have many flaws."

In short, from being most mechanical to most abstract/non-mechanical objects:
Defective - faulty - flawed

More examples! If you put all three to "car"
Defective car: means there's something mechanically wrong with it (maybe the wheels don't turn, the engine does not start"
Faulty car: same idea as defective; it means it breaks easily or it doesn't work very well
Flawed car: sounds like the design of the car has many mistakes/errors. Maybe the seats are too high, or the shape is wrong, etc.

'Person'
Defective person: sounds really weird! This makes the person sound like a robot.
Faulty person: This still makes the person sound like a robot
Flawed person: This sounds appropriate; it means the person has many weak points. The person is not good at many things and makes many mistakes.

A: Faulty is an adjective. Fault is a noun.

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