In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is

Manufacturing And Production Technology
In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is

20.56

36.56

26.56

30.56

20.56

36.56

26.56

30.56

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Manufacturing And Production Technology
Which of the following statement is correct in regard to centreless grinding?

The workpiece is supported throughout its entire length as grinding takes place

It is a continuous process and adopted for production work

All of these

It requires no holding device for the work

The workpiece is supported throughout its entire length as grinding takes place

It is a continuous process and adopted for production work

All of these

It requires no holding device for the work

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Manufacturing And Production Technology
As the cutting speed increases, the tool cutting forces

Decreases

First increases and then decreases

Remain constant

Increases

Decreases

First increases and then decreases

Remain constant

Increases

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Manufacturing And Production Technology
When the end of a tap is tapered for about three or four threads, it is known as a

None of these

Second tap

Taper tap

Bottoming tap

None of these

Second tap

Taper tap

Bottoming tap

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Manufacturing And Production Technology
The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.

Greater than

None of the listed here

Equal to

Smaller than

Greater than

None of the listed here

Equal to

Smaller than

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Manufacturing And Production Technology
Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as

Sand wash

Swell

Cold shut

Scab

Sand wash

Swell

Cold shut

Scab

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Manufacturing And Production Technology

Manufacturing And Production Technology Which of the following statement is correct in regard to centreless grinding?

Manufacturing And Production Technology As the cutting speed increases, the tool cutting forces

Manufacturing And Production Technology When the end of a tap is tapered for about three or four threads, it is known as a

Manufacturing And Production Technology The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.

Manufacturing And Production Technology Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as

Manufacturing And Production Technology
Which of the following statement is correct in regard to centreless grinding?

Manufacturing And Production Technology
As the cutting speed increases, the tool cutting forces

Manufacturing And Production Technology
When the end of a tap is tapered for about three or four threads, it is known as a

Manufacturing And Production Technology
The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.

Manufacturing And Production Technology
Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known as