Distortion
Warping
Porous weld
Poor fusion
D. Poor fusion
Hardness of the work and tool material at the operating temperature
Amount and distribution of hard constituents in the work material
Degree of strain hardening in the chip
All of these
Increasing the centre distance of bull gear and crank pin
Decreasing the centre distance of bull gear and crank pin
Increasing the length of the arm
Decreasing the length of the slot in the slotted lever
Internal tapers
Small tapers
Long slender tapers
Steep tapers
Tungsten carbide
Brass or copper
Diamond
Stainless steel
0.25 to 0.75 percent
1.25 to 1.75 percent
3 to 4 percent
8 to 10 percent
The workpiece is supported throughout its entire length as grinding takes place.
It is a continuous process and adopted for production work.
It requires no holding device for the work.
All of the above
At its recrystallisation temperature
Above its recrystallisation temperature
Below its recrystallisation temperature
At two thirds of the melting temperature of the metal
Is zero
Is maximum
Decreases from maximum to zero
Increases from zero to maximum
Soft grade
Medium grade
Hard grade
None of these
Equal to
Twice
Thrice
One-half
Conventional milling
Climb milling
End milling
Face milling
Morse taper
Seller's taper
Chapman taper
Brown and Sharpe taper
Hard and brittle materials
Soft and ductile materials
Hard and ductile materials
Soft and brittle materials
Has no effect on
Increase
Decrease
None of these
Increase machining accuracy
Facilitate interchangeability
Decrease expenditure on quality control
All of these
Soldering
Brazing
Welding
Clamping
Very high pouring temperature of the metal
Insufficient fluidity of the molten metal
Absorption of gases by the liquid metal
Improper alignment of the mould flasks
Decreasing the rake angle
Increasing the depth of cut
Decreasing the cutting speed
Increasing the cutting speed
Hardness of the material being ground
Speed of wheel and work
Condition of grinding machine
All of these
Internal and external surfaces
Round or irregular shaped holes
External flat and contoured surfaces
All of these
Grinding
Lapping
Honing
Buffing
Equal to
Smaller than
Greater than
None of these
The cutting edge of the tool is perpendicular to the direction of tool travel.
The cutting edge clears the width of the workpiece on either ends.
The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge.
All of the above
Geometric progression
Arithmetic progression
Harmonic progression
None of these
πd
πdn
πdn sinα
πdn cosα
0°
10°
20°
100°
10 m/min
15 m/min
22 m/min
30 m/min
Zero rake angle
Positive rake angle
Negative rake angle
Point angle
1, 2, 2
1, 2, 4
2, 3, 4
2, 4, 4
By which the face of the tool is inclined towards back
By which the face of the tool is inclined sideways
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base