outcome 1 SP
Presentation
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others
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Vocational training
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Medium
Jake Loveridge
Used 1+ times
FREE Resource
37 Slides • 28 Questions
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Open Ended
Why do you think it is important to understand the properties of different plumbing materials before starting a plumbing project?
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Multiple Choice
Which of the following materials is commonly used in plumbing for its resistance to corrosion?
Steel
Iron
Plastic
Alloys
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Multiple Choice
Which of the following is a property of ferrous metals used in plumbing?
They contain iron and are magnetic
They do not corrode easily
They are non-magnetic
They are always alloys
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Multiple Choice
What is the main difference between alloys and pure metals as used in plumbing materials?
Alloys are mixtures of metals, pure metals are single elements
Alloys are always stronger than pure metals
Pure metals are always cheaper than alloys
Alloys contain only non-ferrous metals
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Fill in the Blanks
Type answer...
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Multiple Choice
Which of the following thermoplastics is suitable for underground mains and degrades in sunlight?
MDPE
Polypropylene
Polybutylene
ABS
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Multiple Select
Select all the correct statements about thermosetting plastics:
They are rigid and can withstand high temperatures
They are recyclable
Formica and bakelite are examples
They are suitable for repeated reshaping
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Open Ended
Explain the advantages and disadvantages of using thermoplastics versus thermosetting plastics in plumbing applications.
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Multiple Choice
Which of the following statements best explains the difference between mass and weight?
Mass is the force of gravity on an object, while weight is the amount of substance.
Mass is measured in newtons, while weight is measured in kilograms.
Mass is the amount of substance measured in kilograms, while weight is the force of gravity pulling on a mass measured in newtons.
Mass and weight are the same and can be used interchangeably.
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Multiple Choice
How does gravity affect the weight of an object on the moon compared to on Earth?
The weight increases on the moon because gravity is stronger.
The weight decreases on the moon because gravity is weaker.
The weight stays the same because mass does not change.
The weight becomes zero on the moon.
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Open Ended
Explain how density is calculated and why two objects of the same size might have different weights.
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Multiple Choice
Which of the following materials is a good conductor of heat and why?
Wood, because it has tightly packed molecules.
Copper, because it is a metal and conducts heat well.
Plastic, because it is lightweight.
Glass, because it is transparent.
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Fill in the Blanks
Type answer...
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Multiple Select
Select all materials from the table that will sink in water based on their relative density.
uPVC
Polythene
Aluminium
Copper
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Multiple Choice
Which of the following is NOT a property of plumbing materials as listed in the presentation?
Strength
Transparency
Ductility
Elasticity
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Multiple Choice
Which types of strength are discussed in the slides, and what do they measure?
Tensile strength, compressive strength, and shear strength; they measure how a material responds to stretching, crushing, and opposing forces respectively.
Only tensile strength; it measures how a material responds to stretching.
Only compressive strength; it measures how a material responds to crushing.
Only shear strength; it measures how a material responds to twisting.
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Fill in the Blanks
Type answer...
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Open Ended
Explain how the arrangement and behavior of molecules in a solid material affect its properties, such as strength and ductility.
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Multiple Choice
Which material is described as very malleable and can be bossed into shape according to the slides?
Copper
Lead
Steel
Plastic
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Open Ended
Describe a real-world scenario where the malleability of a material is important in plumbing work.
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Multiple Choice
Which property of plumbing materials describes their resistance to bending, scratching, abrasion, or cutting?
Hardness
Specific heat capacity
Coefficient of linear expansion
Density
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Open Ended
Explain why specific heat capacity is important for plumbers when working with different materials.
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Multiple Choice
Which of the following materials has the lowest specific heat capacity?
Lead
Copper
Water
Aluminium
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Fill in the Blanks
Type answer...
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Open Ended
What factors must plumbers consider regarding the coefficient of linear expansion when installing pipes?
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Multiple Choice
How much will a 6 metre length of copper pipe expand if the temperature rises by 10°C?
0.96mm
1.6mm
0.011mm
0.29mm
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Open Ended
What questions do you still have about the properties of common plumbing materials?
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Multiple Choice
Which of the following is NOT a common plumbing material listed in the lesson?
Steel
Iron
Wood
Plastic
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