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Milling Operations Quiz

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Bryan is working on a project that involves creating a 3D model of a plastic injection mould. What type of operation should he use for surface contouring?

a)

End Mill

b)

Pocket

c)

Surface Contour

d)

Slot

2.

Sofea is working on a project in her engineering class where she needs to calculate the cutting speed (Vc) for a CNC milling machine. What is the formula for cutting speed (Vc)?

a)

Vc = π * r * n

b)

Vc = π * d * n

c)

Vc = 2π * d * n

d)

Vc = π∗d2∗nπ * d^2 * n

3.

Asyiqin is working in a workshop and needs to calculate the cutting speed of a milling tool. The tool has a diameter of 40 mm and operates at a spindle speed of 600 RPM. What is the cutting speed, Vc of the tool?

a)

75.4 m/min

b)

84.2 m/min

c)

94.2 m/min

d)

113.1 m/min

4.

Melvin is using an end mill with a diameter of 16 mm to machine a part in his workshop. The end mill operates at a cutting speed of 150 m/min. What is the spindle speed in rotations per minute (RPM)?

a)

2970 RPM

b)

2990 RPM

c)

2980 RPM

d)

2960 RPM

5.

Zulhazim is working on a project where she needs to calculate the feed speed of a machine tool. What is the unit of measurement for feed speed in the given formula?

a)

mm/sec

b)

cm/min

c)

mm/min

d)

m/min

6.

Atiqah is working in a metal workshop and needs to handle a heated metal workpiece. Which benefit of cutting fluids helps in easier handling of the workpiece?

a)

Increase in workpiece hardness

b)

Reduce temperature of workpiece

c)

Increase in workpiece size

d)

Decrease in workpiece weight

7.

Aiman is working on a project in his engineering class where he needs to machine a metal part. What is the main purpose of lubricants in machining?

a)

To increase tool speed

b)

To reduce tool-chip and tool-work friction

c)

To enhance cutting precision

d)

To increase heat generation

8.

Thivya is working on a project in her mechanical engineering class. She needs to use a face milling cutter for plain milling. The project requires a cutting speed of 200 m/min, and the number of rotations should not exceed 300 RPM. What is the maximum diameter, d of the face milling cutter Thivya should use to meet these criteria?

a)

210 mm

b)

212 mm

c)

214 mm

d)

216 mm

9.

Syafuan is working on a metalworking project in his workshop. He needs to ensure that the tools he uses do not overheat during the cutting process. What is the primary function of coolant-type cutting fluids in this scenario?

a)

To increase friction

b)

To reduce heat and temperature

c)

To enhance noise levels

d)

To increase tool wear

10.

Paven is working on a project in his engineering class where he needs to understand the effect of increasing the cutting speed on tool life. What will he observe?

a)

Increases tool life

b)

Decreases tool life

c)

No effect on tool life

d)

Tool life becomes unpredictable