State the purpose of an array - Leaving Cert Engineering - Question e - 2007
Question e
State the purpose of an array.
Explain the term temporary joint.
Name a thread form suitable for the car jack shown.
Worked Solution & Example Answer:State the purpose of an array - Leaving Cert Engineering - Question e - 2007
Step 1
Explain the term temporary joint.
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Answer
A temporary joint refers to a connection that can be easily assembled and dismantled without causing damage to the components involved. This type of joint is particularly useful in applications where parts need to be taken apart for maintenance, repair, or modification.
Mechanical methods such as screw fasteners or compression joints create temporary joints. These mechanisms allow for the easy disassembly of fixings, making it convenient to reconfigure or replace parts as necessary.
Step 2
Name a thread form suitable for the car jack shown.
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Answer
A suitable thread form for the car jack shown is a square thread. Square threads are advantageous in this application due to their efficient power transmission and minimized wear, making them ideal for lifting heavy loads.
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