AQA GCSE ENGINEERING QUESTIONS | TESTED AND PROVEN ANSWERS | LATEST UPDATE 2024/2025 100% (GRADE A+)

AQA GCSE ENGINEERING QUESTIONS | TESTED AND
PROVEN ANSWERS | LATEST UPDATE 2024/2025
100% (GRADE A+)
What is the function of the drill bit?


Ans>> To remove material by drilling through. Creates a circular hole.




What material is the drill bit?


Ans>> High Carbon Steel (HCS) / High Speed Steel (HSS)




What is the function of the chuck?


Ans>> To hold the drill bit securely. Holds different sized drill bits.




What material is the chuck?


Ans>> High Carbon Steel (HCS)




What is the function of the handle?



1

, Ans>> Comfort and grip when using the drill.




What material is the casing of the hand drill?


Ans>> ABS / HIPS




What material is the over moulding on the handle?


Ans>> TPE (Rubber)




Name 3 advantages of Injection Moulding.


Ans>> Complex shapes


Fast process


Mass production




Name 3 disadvantages of Injection Moulding.


Ans>> Moulds are expensive to buy/make


Initial set up costs are high
2