18 Questions
What is the primary purpose of safety signs with a red color in a workshop?
To prohibit certain behaviors such as smoking or trespassing
What is the primary function of gears in a machine design?
To change the direction of rotational motion
What is the mechanical advantage of a gear train?
The ratio of output torque to input torque
What is the purpose of a gear ratio in machine design?
To adjust the speed and torque of rotational motion
What is the primary consideration in designing a gear train?
To optimize the gear ratio
What is the relationship between the gear ratio and mechanical advantage?
A higher gear ratio results in a higher mechanical advantage
What is the ability of a material to resist scratching?
Hardness
Which type of structure is naturally formed, like caves and mountains?
Mass structure
What is the ability of a material to absorb liquids, heat, or light?
Absorbency
Which material has the ability to deform under load and doesn't return to its original shape when left?
Aluminium
What is the ability of a material to conduct heat?
Thermal conductivity
What is the ability of a material to be drawn from large into smaller diameter into even a wire?
Ductility
What is the primary function of curves and ridges in shell structures?
To provide additional support and stability
Which of the following is an example of a natural structure?
A honeycomb
What is the primary material used in frame structures?
Metal beams
What is the purpose of nodes in a truss?
To provide additional support to the structure
What is the function of ties in a truss?
To prevent beams from moving
What is the purpose of struts in a truss?
To compress loads
Test your knowledge of architectural structures, including shell structures, natural structures, and frame structures. Learn about the unique characteristics of each and how they are used in famous buildings and natural forms.
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