SINGLE POINT CUTTING TOOLS MCQS
- Which of the following is fastest method of cutting gears ?
- Hard ferrous metals like steel and cast iron are cut with following medium size grit cut off wheels
- In grinding operation, for grinding harder material
- Which of the following abrasives will be selected for grinding tool steel and high speed steel?
- Which abrasive particle would you choose for grinding bronze valve bodies ?
- Which abrasive particle would you choose for grinding high speed steel tools?
- For grinding operation in which heat generation must be kept minimum, the following bond of wheel must be used
- Holes in parts which have been hardened by heat treatment can be finished to accurate size only by
- Which of the following is an example of snsnag grinding?
- The grit size of the abrasives used in the grinding wheel is usually specified by the
- A grinding wheel gets glazed due to
- In grinding practice, the term “hardness of the wheel or “grade of the wheel” refers to
- Which abrasive particle would you choose for grinding tungsten carbide tool inserts ?
- Which of the following is the natural abrasive?
- Which of the following is the manufactured abrasive?
- Which abrasive particle would you choose for grinding steel fittings?
- Which bond is used in cut off wheels?
- Which of the following abrasives will be used for grinding ceramics?
- Pick up the incorrect statement about grinding
- Grinding wheel is flooded with coolant in order to
- Hardness of grinding wheel is determined by
- The process of improving cutting action of grinding wheel is called
- In cylindrical grinding operations, the work compared to grinding wheel is always rotated
- Pick up the wrong statement
- A slight taper on the full length of a long shaft mounted between centres on a universal cylindrical grinder, can be ground by
- What kind of abrasive cut-off wheel should be used to cut concrete, stone and masonry ?
- Aluminium oxide wheel would be selected for grinding
- The grit, grade and structure of grinding wheels for specihc operations are based on
- When it is required to run a grinding wheel safely at very high speed, following bond should be used
- In grinding operation, for grinding softer material
(a) milling
(b) gear shaping
(c) gear hobbing
(d) gear burnishing
(e) all of the above.
gear hobbing
(a) Al,O3
(b) SiC
(c) diamond grit
(d) garnet
(e) boron carbide.
Al,O3
(a) coarser grain size is used
(b) fine grain size is used
(c) medium grain size is used
(d) any grain size may be used
(e) none of the above.
fine grain size is used
(a) diamond
(b) Al,O
(c) SiC
(d) boron carbide
(e) none of the above.
diamond
(a) silicon carbide
(b) aluminium oxide
(c) diamond
(d) cubic boron nitride
(e) none of the above.
none of the above.
(a) silicon carbide
(b) aluminium oxide
(c) diamond
(d) cubic boron nitride
(e) none of the above.
cubic boron nitride
(a) resinoid rubber
(b) silicate
(c) vitrified
(d) shellac
(e) any one of the above.
silicate
(a) drilling
(b) boring
(c) internal grinding
(d) reaming
(e) any one of the above.
internal grinding
(a) removing excess metal on weld
(b) grin,ding a parting line left on casting
(c) trimming the surface left by sprues and risers
(d) removing flash from forgings
(e) all of the above.
all of the above.
(a) size of the wheel
(b) hardness number
(c) softness or hardness of the abrasive
(d) refractive index
(e) mesh number
mesh number
(a) wear of abrasive grains
(b) breaking of abrasives
(c) wear of bond
(d) sharpening of wheel.
(e) cracks in wheel
wear of abrasive grains
(a) hardness of the abrasives used
(b) strength of the bond of the wheel
(c) finish of the wheel
(d) hardness of the workpiece
(e) type of abrasive used.
strength of the bond of the wheel
(a) silicon carbide
(b) aluminium oxide
(c) diamond
(d) cubic boron carbide
(e) none of the above.
diamond
(a) Al,O
(b) SiC
(c) borron-carbide
(d) corundum
(e) borolon.
corundum
(a) corundum
(b) quartz
(c) emery
(d) SiC
(e) diamond.
SiC
(a) silicon carbide
(b) aluminium oxide
(c) diamond
(d) cubic boron nitride
(e) any one of the above.
aluminium oxide
(a) rubber
(b) vitrified
(c) resinoid
(d) shellac
(e) any one of the above.
rubber
(a) diamond
(b) Al,O
(c) SiC
(d) boron carbide
(e) none of the above.
Al,O
(a) for cutting soft material, hard wheel is used
(b) for cutting hard material, hard wheel is used
(c) for grinding soft material, dry condition 1s required
(d) for grinding hard material, wet condition is required
(e) slower wheel speeds cause the wheel to act as if it were harder.
for cutting hard material, hard wheel is used
(a) remove heat
(b) remove chips
(c) clean the job
(d) clean the wheel1
(e) clean the machine.
remove heat
(a) the resistance exerted by the bond against grinding stress
(b) hardness of abrasive grains
(c) hardness of bond
(d) its ability to penetration
(e) its ability to work without scratches.
the resistance exerted by the bond against grinding stress
(a) turning operation
(b) dressing operation
(c) facing operation
(d) cutting operation
(e) clearing operation.
dressing operation
(a) at a much slower speed
(b) at a much faster speed
(c) at 100 rpm more
(d) at the same speed
(e) there is no such correlationship.
at a much slower speed
(a) for grinding hard as well as brittle materials, fine grained grinding wheel is used
(b) for grinding metal at fast rate, coarse grained wheel is used
(c) for grinding hard materials, soft grade is used and vice versa
(d) for grinding soft material, fine grain is used
(e) for grinding soft and ductile materials, coarse grained wheel is used.
for grinding soft material, fine grain is used
(a) off setting the tail stock
(b) swivelling the table on its base
(c) swivelling the wheel head
(d) swivelling the workpiece
(e) taper turning attachment.
swivelling the wheel head
(a) SiC
(b) Al,O
(c) diamond grit
(d) garnet
(e) glass.
diamond grit
(a) cast iron
(b) cemented carbide
(c) HISS
(d) ceramic materials
(e) all of the above.
HISS
(a) grinder clearance
(b) spindle size of the grinder
(c) diameter of wheel
(d) speed at which the wheel is to be used
(e) thickness of wheel.
speed at which the wheel is to be used
(a) shellac
(b) vitrified
(c) resinoid and rubber
(d) silicate
(e) any one of the above.
resinoid and rubber
(a) softer grade is used
(b) high grade is used
(c) medium grade is used
(d) any grade may be used
(e) none of the above.
high grade is used
Cover Topic
“cutting tools uses”,”diagram of cutting tools”,”multi point cutting tool”
