Simple Machine II - JSS2 Basic science Past Questions and Answers - page 2
11
How should machines be stored to prevent damage?
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A
In a clean, dry environment
B
In a humid environment
C
In direct sunlight
D
In a dusty environment
12
What should be done promptly to address machine issues?
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A
Delaying repairs
B
Ignoring worn-out parts
C
Addressing issues through repairs or replacements
D
Increasing usage beyond capacity
13
Which of the following is a common application of gears?
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A
Baking cookies
B
Playing video games
C
Wind turbines
D
Watching movies
14
What do gears help control in robotic systems?
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A
Energy consumption
B
Temperature
C
Movement and power distribution
D
Sound production
15
In which industry are gears used in aircraft engines?
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A
Automotive
B
Aerospace
C
Renewable energy
D
Consumer electronics
16
What role do gears play in industrial machinery?
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A
Controlling motion and power transmission
B
Controlling motion and power transmission
C
Increasing temperature
D
Increasing noise
17
How do gears change the speed, torque, or direction of motion in a mechanical system?
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18
What factors contribute to the efficiency of simple machines?
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19
Why is regular maintenance important for machines?
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20
What are some common applications of gears in everyday life?
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