WorksheetsTechnology Practise Metals
Total questions: 21
Worksheet time: 13mins
Metals are substances that...
form out of mineral with one or more metallic pieces with non-metallic
form out of metallic and ferrous pieces
form out of carbon and iron
form out of carbon, non-metallic pieces, ferrous pieces and metallic pieces
Mining is the process of...
doing the metallurgy process
obtaining the gangue and the ore
obtaining minerals
none of the answer are correct
Classification of metals is...
ferrous and non-ferrous
light, heavy and ultra-light and ferrous
Which one of the following answer is NOT a property of metals...
electrical and acoustic conductor
ductile and malleable
thermal insulator
tough and magnetic
Cast iron has a percentage of carbon...
between 1.76% and 6.67%
between 0.008% and 0.03%
between 0.03% and 1.76%
between 6.67% and 9,97%
An alloy is...
a metal combine with carbon
a metal combine with other metal to make it weaker
a metal combine with iron to make it stainless steel
a combination of two or more metals
In the steel making process the steps have the following order...
wash and mix it, then cleaning and purification
sieve it and mix it, purification and alloy forming
mix it, then warm it up, purification and tempering
wash and sieve, mix it with different materials, purification and improvement
Magnesium is an ultra-ligh metal used for...
pyrotechnics
aerospace industry
bicycles
all the options are correct
Copper is a metal used for...
Capacitators
filters
pipes
stop corrosion
Aluminium is widely know because...
highly resistant to corrosion
high malleability
good electrical conductor
very hard and strong
Brass is an alloy of...
Copper and Nickel
Copper and Zinc
Nickel and Chrome
None of the answer are correct
Tin is widely used for...
Tin plate
Tin foil
Tin paper
Tin coated cover
Titanium is a great metal if you need...
a medical prostheses
a new rocket
a building structure
a new roof
If you need to build a church bell you will use...
Zinc
Copper
Brass
Bronze
Lead even though it is toxic, normally it is used for....
glass
nuclear radiation
batteries
car industry
all answer are correct
Zinc is a metal bluish grey used for...
Roofing
plumbing
turbines
handicraft
If you need to build a drinking can you will use...
copper
brass
zinc
aluminium
To build a proper boat propeller you would use...
brass
bronze
copper
titanium
To create a metal pushed by a piston using compression you are using...
Bending technique
Extrusion technique
forging technique
Casting technique
For the casting technique we need...
two dies
sand
molten metal
a mould
Forging is an ancient technique in which...
a metal piece is compress to the shape required with a hammer
metal piece is rolled with a hammer
a metal piece is hit repeatedly with a hammer
none of the answer are correct
