Related Questions

In metal cutting operations, the shear angle is the angle made by the shear plane with the
A Direction of the tool axis
B Direction of tool travel
C Perpendicular to the direction of the tool axis
D Central plane of the workpiece
The angle between the shear plane and _________ is called shear angle.
A Work surface
B Tool face
C Machine surface
D None of these
The Central Processing Unit is an embeded chip that acts as the 'brains' of a computer. What Intel chip was used in the Altair (the first real personal computer)?
A 6502
B 8080
C 6400
D 8286
In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be
A Doubled
B Halved
C Quadrupled
D Unchanged
The strain energy stored in a body due to shear stress, is (where $$\tau $$ = Shear stress, C = Shear modulus and V = Volume of the body)
A $$\frac{{\tau {\text{V}}}}{{2{\text{C}}}}$$
B $$\frac{{2{\text{C}}}}{{\tau {\text{V}}}}$$
C $$\frac{{{\tau ^2}{\text{V}}}}{{2{\text{C}}}}$$
D $$\frac{{2{\text{C}}}}{{{\tau ^2}{\text{V}}}}$$
Which of the following factors does not govern the mechanism of petroleum formation from organic sources?
A PH of the soil
B Bacterial action
C Heat
D Pressure
The vector sum of cutting velocity and chip velocity is __________ shear velocity.
A Equal to
B Less than
C More than
D None of these
কোন ধরণের ধাতু কাটার সময় continuous chip তৈরি হয়?
A Brittle
B Hard
C Ductile
D None
The parameter which completely defines the chip formation in a metal cutting process is
A Shear angle
B Chip-tool contact length
C Both (A) and (B)
D None of these
If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is
A 0.5 XC
B 0.75 TC
C XC
D 1.33 TC

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