Drilling Metal (Junior Cert Wood Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the purpose of coolant in metal drilling?
What is the purpose of coolant in metal drilling?
To cool and lubricate during drilling
What does RPM stand for in metal drilling?
What does RPM stand for in metal drilling?
Revolutions Per Minute
Which drill bit is described as versatile for general metal drilling?
Which drill bit is described as versatile for general metal drilling?
Twist drill bits
What type of metal are cobalt drill bits suited for?
What type of metal are cobalt drill bits suited for?
Hard metals like stainless steel
What advantage do titanium-coated drill bits offer?
What advantage do titanium-coated drill bits offer?
Durability with reduced friction
Which drill bit should be used for soft metals like aluminium?
Which drill bit should be used for soft metals like aluminium?
High-speed steel drill bits
What RPM and pressure are used when drilling soft metals?
What RPM and pressure are used when drilling soft metals?
Moderate RPM and light pressure
How should coolant be applied when drilling hard metals?
How should coolant be applied when drilling hard metals?
Continuously to manage heat
What RPM level should be used for drilling hard metals like steel?
What RPM level should be used for drilling hard metals like steel?
Lower RPM
What protective gear should always be worn during metal drilling?
What protective gear should always be worn during metal drilling?
Goggles and gloves
Why must workpieces be firmly secured during drilling?
Why must workpieces be firmly secured during drilling?
To avoid movement during drilling
What is a key advantage of CNC machines in industrial settings?
What is a key advantage of CNC machines in industrial settings?
Perfect for repeated tasks with accuracy
