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WorksheetsScales of production, energy, smart and composite materials
Total questions: 15
Worksheet time: 8mins
in which production techniques can work be altered and mistakes fixed along the way?
one off production
mass production
batch production
JIT production
scale of production for manufacturing identical high in demand products 24 hours a day
(a)
company holds less stock so less space is needed, perishable stock won't go out of date, less time spent on auditing, increased focus on the quality of the product.
one off production
mass production
JIT production
batch production
what scale of production would be suitable for the manufacture of standard components?
(a)
if the current usage of fossil fuels continue, they are likely to run out in the next...
... 20 years
... 40 years
... 60 years
... 80 years
what is the meaning of photovoltaics?
using wind to spin a shaft and create electricity through a generator
using solar cells to generate electricity by converting energy from the sun
using organic matter to generate electricity via combustion
expensive to build, only available in coastal areas, large barrages may have an environmental impact, lower energy output than fossil fuels
wind
hydroelectric
tidal
biomass
is solar power reliable?
yes
no
depends on location
coal power plants emit...
carbon dioxide
selenium
mercury
arsenic
sulfur
smart materials do not occur naturally, but are existing materials that have been altered to improve their properties
true
false
which are applications of reactive glass?
welding masks and goggles
plane cockpit windows
windows
conductive inks...
... change colour when heated
... allow small currents to flow through them
... never dry out
composite materials consist of a matrix and what else?
a bonding agent
base material(s)
reinforcement material(s)
is plywood a composite material?
yes
no
most composites have excellent (a) ratios
