Download gears test 2

Educator and Tagging Information
Learning Area:
Technology
Resource Name:
Technology
Assessment Exemplar Number:
TECHN8.136
Item/s:
1
Phase:
Senior Phase
Grade:
8
Tags:
Technology, mechanical systems, gears, teeth, cogs, idler, mesh, gear train, joining, transfer,
linear, oscillating, rotary, driver, driven, direction, output gear, speed, test, Summative Assessment
Assessment Type:
Summative
Assessment Form/s:
Test
Copyright for included material:
N/A
Duration:
60 min
Learning Outcome(s) and Assessment Standard(s):
Learning Outcome 2: Technological Knowledge and Understanding
The learner will be able to understand and apply relevant technological knowledge ethically and
responsibly.
Assessment Standards
We know this when the learner
3 Systems and Control
3.1 Demonstrates knowledge and understanding of how mechanical systems (e.g. pneumatic or
hydraulic systems, gears, belt drive systems, pulley systems, linked lever systems) convert motion
and force to give mechanical advantage, and represents them using systems diagrams.
Learning Space:
Assessment
Hyperlinks:
To be completed later.
Rating:
Number of questions for exemplar:
1
Easy questions:
Medium questions:
Question 1
Difficult questions:
Assessment Task
Gears test 2
1.
Choose the correct answer.
1.1
The teeth of the gears are called _____.
a. idler
b. cogs
c. mesh
1.2 When two gears fit into each other, it is called _____.
a. meshing
b. gear train
c. joining
1.3 Gears transfer _____ motion.
a. linear
b. oscillating
c. rotary
1.4 The main gear is called the _____.
a. driver
b. driven
c. idler
1.5 When a gear is fitted into another gear, it will turn in the _____ direction.
a. same
b. opposite
c. idler
1.6 The output gear is the _____.
a. driven
b. idler
c. driver
1.7 If you want two gears to turn in the same direction, you need a / an _____ gear.
a. output
b. idler
c. input
1.8 Gears are used to change _____.
a. speed only
b. direction only
c. speed and direction
1.9 If a gear is double the size of the other gear, it will turn at _____.
a. half the speed of the smaller
b. double the speed, as the smaller one and the force will be doubled
c. the same speed and same force
1.10 If you take a driver gear with 8 teeth and a driven gear with 24 teeth, the rotary motion will be
_____.
a. increased
b. the same
c. slowed down
[20 marks]
Suggested Solutions
Question Possible Answers
number
marks
1
10 x 2
1.1 b
marks
1.2 a
1.3 c
1.4 a
1.5 b
1.6 a
1.7 b
1.8 c
1.9 a
1.10 c
[20 marks]
Appendix of Assessment Tools