Plumbing science Flashcards

1
Q

What is ductility

A

a material’s ability to deform permanently, or plastically, before breaking

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2
Q

Hardness

A

The resistance of a material to being cut deformed or bent

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3
Q

Toughness

A

The amount of energy a material can absorb without breaking or fracturing

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4
Q

Tensile strength

A

The maximum force a material can withstand when being ppulled appart before breaking

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5
Q

Compressive strength

A

The maximum force a material can withstand when being crushed

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6
Q

Shear strength

A

The maximum force a material can withstand when being twisted

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7
Q

Malleability

A

The amount of hammering and shaping a material can withstand before breaking spliting or cracking

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8
Q

Elasticity

A

The length that a material can be stretched and return to its original length when released

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9
Q

Heat and electrical conductivity

A

The measure of how well a material conducts heat or electricity

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10
Q

Heaviness

A

The denseness of a material. A dense material will be heavier compaired to its size

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11
Q

Strength

A

The measure of how materials withstand heavy loads without breaking

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12
Q

What is the si unit for length

A

M Metre

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13
Q

What is the si unit of mass

A

Kg Kilograms

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14
Q

What is the si unit of electric current

A

A Ampere

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15
Q

What is the si unit for time

A

S second

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16
Q

What is the si unit for temperature

A

K kelvin

17
Q

What is the si unit for area

A

Square metre

18
Q

What is the si unit for volume

A

Cubic metre

19
Q

What is the si unit for speed,velocity

A

M/s

20
Q

What is the si unit for acceleration

A

Metre per second squared