550+ Machining-and-machine-tool-operations Questions

Machining-and-machine-tool-operations Questions Set 39:

Quiz Mode

Tool life increases with increase in ____

Rake angle

Cutting speed

Feed rate

Depth of cut

Solution:

Which type of material is used to build Bike Chains?

Steel

Cast Iron

Mild Steel

Stainless Steel

Solution:

Identify which of the following type of code is used in CNC machine?

G code

M code

Both 1 & 2

Z code

Solution:

In turning operation, the typical ratio of heat generated in chip, tool and workpiece is in the order of:

70 : 20 : 10

10 : 70 : 20

10 : 20 : 70

70 : 10 : 20

Solution:

In thread cutting, the rotary motion of the tool slide is converted to feed motion

A= Feed, B= Rotary

None of the above

A= Rotary, B= Feed

A= Longitudinal, B= Rotary

Solution:

Friction at the tool-chip interface can be reduced by

Decreasing the rake angle

Increasing the depth of cut

Decreasing the cutting speed

Increasing the cutting speed

Solution:

What is the cutting time for machining a workpiece with a width of 1000 mm when the bull wheel is rotating at 150 rpm and the feed rate is 2 mm per stroke?

90 s

120 s

200 s

500 s

Solution:

HSS tool is used to machine a 20 mm diameter steel shaft, at a spindle speed of 1000 revolutions per minute. What is the cutting speed?

π m/min

20 π m/min

π mm/min

20 π mm/min

Solution:

Which is the property of a tool that prevents plastic deformation at its cutting edge during machining process?

High value of fracture toughness

High value of hardness under heating

Chemical stability

Adhesion resistance

Solution:

Consider the following statements with regard to the lapping process:
1. Any type of flat material can be lapped to any shape
2. As the parts are not clamped during lapping no heat is generated so there is no warping
3. No burrs are produced
Which of the above statements are correct?

1 and 2 only

1 and 3 only

2 and 3 only

1, 2 and 3

Solution:

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Machining-and-machine-tool-operations Questions Set 38

Machining-and-machine-tool-operations Questions Set 39:

Tool life increases with increase in ____

Solution:

Which type of material is used to build Bike Chains?

Solution:

Identify which of the following type of code is used in CNC machine?

Solution:

In turning operation, the typical ratio of heat generated in chip, tool and workpiece is in the order of:

Solution:

In thread cutting, the rotary motion of the tool slide is converted to feed motion

Solution:

Friction at the tool-chip interface can be reduced by

Solution:

What is the cutting time for machining a workpiece with a width of 1000 mm when the bull wheel is rotating at 150 rpm and the feed rate is 2 mm per stroke?

Solution:

HSS tool is used to machine a 20 mm diameter steel shaft, at a spindle speed of 1000 revolutions per minute. What is the cutting speed?

Solution:

Which is the property of a tool that prevents plastic deformation at its cutting edge during machining process?

Solution:

Consider the following statements with regard to the lapping process: 1. Any type of flat material can be lapped to any shape 2. As the parts are not clamped during lapping no heat is generated so there is no warping 3. No burrs are produced Which of the above statements are correct?

Solution:

Related Question Sets:

Related Topics:

Consider the following statements with regard to the lapping process:
1. Any type of flat material can be lapped to any shape
2. As the parts are not clamped during lapping no heat is generated so there is no warping
3. No burrs are produced
Which of the above statements are correct?