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Worksheetsmonthly test of feb 25
Total questions: 10
Worksheet time: 5mins
What is the standard drill point angle for general-purpose drills?
100 degrees
135 degrees
118 degrees
90 degrees
What is the primary function of a CNC machine?
To create 3D models for printing.
To assemble parts without programming.
To automate machining processes using computer programming.
To cut materials using manual tools.
What are the advantages of using CNC over manual machining?
Simpler setup process
Greater flexibility in material choice
Advantages of CNC over manual machining include higher precision, repeatability, efficiency, reduced human error, ability to handle complex designs, and continuous operation.
Lower cost of production
What is the function of G-code in CNC programming?
Defines tool movement and geometry
What does CNC stand for?
What is the typical helix angle range for general-purpose drills?
50°–60°
35°–45°
10°–15°
18°–30°
What is the helix angle in a drill bit?
The flutes of a drill bit serve the purpose of:
Removing chips and allowing coolant flow
Which G-code is used for rapid positioning in CNC machines?
Which G-code is used for linear interpolation?
