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Northern IrelandTechnology and DesignQuick questions
A2 1 Mechanical and Pneumatic Control Systems
Quick questions on Advanced mechanisms: ratchet and pawl, clutches, Geneva and screw threads - CCEA A-Level Technology and Design
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
What motion does a ratchet and pawl allow and prevent? [2 marks]
What is q2?Show answer
What type of motion does a Geneva mechanism produce at its output? [1 mark]
What is q3?Show answer
State the two effects of a screw thread. [2 marks]
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