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State one application for the ratchet and pawl mechanism shown - Leaving Cert Engineering - Question h - 2009
Question h
State one application for the ratchet and pawl mechanism shown. [Please refer to the figure provided in the question]
Worked Solution & Example Answer:State one application for the ratchet and pawl mechanism shown - Leaving Cert Engineering - Question h - 2009
Step 1
State one application for the ratchet and pawl mechanism shown.
Answer
A ratchet and pawl mechanism is commonly used to allow a shaft or pin to rotate in one direction only. One application can be found in ratchet spanners, which are tools designed to allow for tightening or loosening of nuts and bolts in one direction without having to reposition the tool.