Lesson 3.1.5
3.1.5 Mechanical devices Quiz: AQA Design & Technology, Unit 1
20 questions
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Lesson 3.1.5, Mechanical devices: 20 multiple choice questions for the AQA GCSE Design & Technology (8552), Unit 1: Core technical principles, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
Which movement goes backwards and forwards in a straight line?
- Rotary
- Continuous circular
- Reciprocating
- Oscillating
-
Which movement swings back and forth through an arc?
- Oscillating
- Rotary
- Linear
- Reciprocating
-
Which movement is a continuous turning motion?
- Reciprocating
- Linear
- Oscillating
- Rotary
-
In which lever order is the pivot between the effort and the load?
- Bell crank
- Second order
- First order
- Third order
-
In which lever order is the load between the pivot and the effort?
- Third order
- Second order
- Bell crank
- First order
-
In which lever order is the effort between the pivot and the load?
- First order
- Third order
- Second order
- Simple gear train
-
Which rotary system uses meshing teeth to transmit motion between shafts?
- Pulley and belt
- Cam and follower
- Bell crank
- Simple gear train
-
Which of these is a rotary system listed in the specification?
- Push/pull linkages
- CAMs and followers
- Second order levers
- Bell cranks
-
A push-pull rod must turn a right-angle corner. Which linkage is suitable?
- Cam and follower
- Pulley and belt
- Simple gear train
- Bell crank
-
A rotating shaft must repeatedly push a follower up and down. Which mechanism does this?
- Simple gear train
- Pulley and belt
- Bell crank
- Cam and follower
-
A 20-tooth gear drives a 40-tooth gear. What is the output speed ratio?
- Half speed
- Equal speed
- Quadruple speed
- Double speed
-
A 30 mm pulley drives a 90 mm pulley. What is the speed ratio driver to driven?
- 3:1
- 9:1
- 1:1
- 1:3
-
A wheelbarrow has its load between the wheel axle and the handles. Which lever order is this?
- Third order
- Bell crank
- First order
- Second order
-
Tweezers are used to grip small objects. Which lever order do they use?
- Pulley
- Third order
- Second order
- First order
-
A windscreen wiper swings across the glass. Which movement type is this?
- Linear
- Oscillating
- Reciprocating
- Rotary
-
A sewing machine needle moves straight up and down. Which movement type is this?
- Rotary
- Continuous circular
- Oscillating
- Reciprocating
-
Gear A has 20 teeth and drives gear B with 60 teeth. Gear B is on a shaft that also carries gear C with 10 teeth, which drives gear D with 30 teeth. What is the overall driver to driven ratio from A to D?
- 1:6
- 9:1
- 1:3
- 1:9
-
A lever has an effort of 20 N applied 0.6 m from the pivot and a load 0.2 m from the pivot on the other side. What load force is balanced?
- 12 N
- 60 N
- 240 N
- 6 N
-
Which part of a cam mechanism determines the motion profile of the follower?
- Guide bush
- Drive shaft
- Cam profile
- Base circle
-
A 30 mm driver pulley turns at 900 rpm and drives a 90 mm pulley. What is the output speed?
- 900 rpm
- 300 rpm
- 100 rpm
- 2700 rpm
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