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WorksheetsYear 8 design and Technology test
Total questions: 15
Worksheet time: 15mins
Styrofoam's are used in packaging or cartons to ___ products like television sets from getting damaged.
Protect fragile
Beautiful fragile
Design fragile
Separate fragile
Packaging is provided for product for the following except ___.
Easy transportation
Increased durability
Easy stacking
Economization
Fold in nets are necessary for the following reasons except ___.
Applying glue
Attaching other parts of the Nets together
Indicate areas to be folded
Areas to trimmed off
The following are examples of electronic components except ___.
Resistor
Capacitor
Diode
Disperser
___ electronic component stores electric charge temporarily.
Resistor
Capacitor
Diode
Transistor
___ allow electric current flow in a single direction.
Resistor
Diode
Capacitor
Transistor
The most consumed source of energy is___.
Wind
Coal
Solar
Petroleum
Nuclear energy is dangerous it is ___.
Radioactive
Safe
Very easy to contain
Very combustive
Geothermal energy is energy gotten from ___.
Deep inside the Earth where hot water lies.
Surface of the earth where active volcanoes are.
The sun where electro-magnetic rays come from
Overheated magma
What type of lever has its fulcrum in between the input effort and output load?
First class lever
Second class lever
Third class leveru
Fourth class lever
A ___ is a rigid rod that rotates around one Point to move a load by applying a force to a third point.
Rack and pinion gear
Lever
Gear
Belt and pulley system
Chain drive system are often recommended where lifting ___ is required.
Heavy load
Medium load
Very small load
No load
The following are types of gear system except ___.
Spur gear
Helical gear
Worm gear
Rock and pinion gear
___ machine is better suited to extremely high speed ratios.
Gears
Belt and pulley system
Chain drive system
Lever
Small gear are necessary where ___ speed is needed.
High
Low
Medium
No speed
