WorksheetsD&T Revision
Total questions: 30
Worksheet time: 15mins
A house is a
Man made structure
Natural structure
The roof of a house is a
man made shell
man made frame
natural shell
natural frame
The fence is a
man made shell
man made frame
natural shell
natural frame
A spider web is a
man made shell
man made frame
natural shell
natural frame
A turtle shell is a
man made shell
man made frame
natural shell
natural frame
Which are the functions of mechanism?
(There may be more than 1 answer)
Conversion of motion
Production of motion
Transmission of motion
Control of motion
Adjustment of motion
What are the aspects of motion that a mechanism can control?
(There may be more than 1 answer)
Speed of motion
Addition of motion
Distance of motion
Method of motion
A mechanism is able to control the amount of force produced.
What is another aspect of movement that a mechanism is able to control?
The line of motion
The direction
The opposite
The pressure
In the image, the structure is only supported on one end.
Name this type of structure.
Tie
Strut
Pillar
Cantilever
Below shows 4 situation.
State which of the option is an example of dynamic load.
A car parked in the building's carpark
The weight of the building on the pillars
People walking around in the building
Built in furniture in the building
Below shows 4 situation.
State which of the option is an example of static load.
The weight of the building on the pillars
A trolley delivering mail in the office
People walking around in the building
A car moving in the building's carpark
What are some examples that would cause the building to collapse?
Failure of a joint
Poor selection of materials
Insufficient materials
Excessive loading
Name two reasons for structural failure.
Over usage of building
Incomplete knowledge of the condition a structure is likely to face
Fatigue of structure material over time
Too many moving parts
Name the gear system shown
Cross gear
Multiple gear
Spur gear
Bevel gear
Name the gear system shown
Gear train
Worm gear
gear and shaft
Idler gear
Name the type of gear system shown.
Rack and pinion
Ratchet and pawl
Gear train
Spur train
Name an application of the gear shown
Food mixer
Watches
Blinds and windows
Bicycles
Name an application of the gear system shown
Car gear boxes
Window blinds
Drill machines
Watches
Name the symbol shown
LED
Light bulb
Resistor
Transistor
Name the symbol shown
Light Emitting Diode (LED)
Resistor
Potentiometer
Light Dependent Resistor (LDR)
Identify the Dark sensing circuit
Identify the Light sensing circuit
Name the type of gear Gear A is.
Driver
Driven
Bevel gear
Idler gear
State the mechanism used in a fishing reel.
Ratchet and Pawl
Gear Train
Cables
Spring
Name the type of spring seen here.
Tension Spring
Torsion Spring
Compression Spring
Flat Spring
Name the machine(s) that use(s) the spring seen.
Mechanical Pen
Clothes peg
Staple
Foot Pump
Name the lever class shown.
A: Third B: Second C: Second
A: First B: Second C: Third
A: First B: Third C: Second
A: Second B: Third C: First
