5 m/min
10 m/min
15 m/min
30 m/min
D. 30 m/min
Of maximum diameter 15 mm
In 15 mm thick plates
Having cross-sectional area of 15 mm²
None of these
Profile milling
Gang milling
Saw milling
Helical milling
Corrosion
Erosion
Fusion
Ion displacement
Stroke length
Motor power
Mass of machine
Rate size
Roughing teeth
Semi-finishing teeth
Finishing teeth
All of these
Lip clearance angle
Helix angle
Point angle
Chisel edge angle
Knurling
Rough turning
Boring
Thread cutting
Finishing a drilled hole
Producing a large hole without drilling
Truing a hole for alignment
Enlarging a drilled hole
Solid part - faces - edges - vertices
Solid part - edges - faces - vertices
Vertices - edges - faces - solid parts
Vertices - faces- edges - solid parts
Reduce built up edge
Break up chips
Improve machinability
All of these
Feed the casting at a rate consistent with the rate of solidification.
Act as a reservoir for molten metal
Feed molten metal from the pouring basin to the gate
Help feed the casting until all solidification takes place
Mild steel
Copper
Aluminium
Brass
In-feed grinding
Through feed grinding
End-feed grinding
Any one of these
Coefficient of friction
Microstructure
Work hardening characteristics
All of these
Amount of material to be removed
Hardness of material being ground
Finish desired
All of these
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
Frequently, more than one cutting edges are in action.
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
All of the above
Equal to
Less than
Greater than
None of these
Tool relative to the workpiece
Chip relative to the tool
Tool along the tool face
None of these
Fatigue strength
Work hardening
Fracture strength
Elastic constant
Single point cutting tool
Two point cutting tool
Three point cutting tool
Multipoint cutting tool
Rate of production is very high
High accuracy and high class of surface finish is possible
Roughing and finishing cuts are completed in one pass of the tool
All of the above
Morse taper
Seller's taper
Chapman taper
Brown and Sharpe taper
Brinell hardness number
Rockwell hardness number
Vickers pyramid number
Letter of alphabet
Increase in moisture content beyond 6 percent
Increase in permeability
Decrease in permeability
Increase in both moisture content and permeability
ARC welding
Submerged ARC welding
TIG welding
MIG welding
Equal to
Twice
Thrice
One-half
Mismatch
Under fill
Crack
Porosity
At recrystallization temperature
Between 100⁰C to 150⁰C
Between recrystallization temperature
Above recrystallization temperature
Material of drill
Type of material to be drilled
Quality of surface finish desired
All of these
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