Machine Tools and Metal Cutting MCQs 2026

Climb milling or down milling requires

1. Aloose spindle bearings✓
2. Bmaximum table backlash✓
3. Conly hand feeding✓
4. Drigid machine and backlash elimination✓

Arbor in horizontal milling holds

1. Alathe faceplate on tailstock✓
2. Bdrill chuck on tailstock quill✓
3. Cgrinding wheel on surface grinder✓
4. Dcutters on horizontal spindle over table✓

Vertical milling machine has spindle

1. Ahorizontal only to table always✓
2. Bvertical to table; quill feeds tool✓
3. Cparallel to lathe bed✓
4. Dfixed at 45 degree only✓

Knee of milling machine supports

1. Aonly grinding wheel head✓
2. Blathe tailstock barrel✓
3. Csaddle and table vertically adjustable✓
4. Dforge anvil face✓

Indexing head on milling machine is used for

1. Alathe thread chasing only✓
2. Bdividing work into equal angular parts✓
3. Cwelding current control✓
4. Dhydraulic pump flow✓

Plain milling cutter has teeth on

1. Aperipheral circumference for slab milling✓
2. Bend face only always✓
3. Cmorse taper shank only✓
4. Dlathe tool post slot✓

End mill cuts with

1. Aonly lathe parting blade✓
2. Bonly grinding wheel face✓
3. Cperipheral and end teeth for slots and profiling✓
4. Donly welding torch✓

Face milling uses cutter with

1. Asingle-point HSS tool only on lathe✓
2. Binserts on large diameter for flat surfaces✓
3. Cwire EDM electrode✓
4. Dbroach for internal splines✓

Slab mill is another name for

1. Atap for threading holes✓
2. Bcentre drill for spotting✓
3. Cknurling wheel✓
4. Dplain milling cutter on arbor✓

Straddle milling uses

1. Aone end mill only always✓
2. Blathe steady rest✓
3. Cshaper clapper box✓
4. Dtwo side cutters separated by spacer on arbor✓

Gang milling mounts

1. Aonly one roughing end mill✓
2. Bwelding multiple torches✓
3. Cseveral cutters on same arbor for multiple surfaces✓
4. Dforge multiple hammers✓

Ball nose end mill is used for

1. Athrough-hole drilling only✓
2. Bthree-dimensional contour and mould surfaces✓
3. Cparting on lathe✓
4. Dsheet metal shearing✓

Drilling removes material by

1. Aoscillating single-point tool horizontally✓
2. Brolling between two dies✓
3. Cexplosive cladding✓
4. Drotating twist drill with axial feed into work✓

Centre drill creates

1. Asmall pilot hole and 60 degree centre for lathe✓
2. Bfinished bearing bore only✓
3. Cexternal thread profile✓
4. Dgear tooth root✓

Reaming improves hole by

1. Adrilling oversized hole first pass only✓
2. Bremoving small amount for size and finish with multi-flute tool✓
3. Cwelding filler deposition✓
4. Dsand casting core print✓

Boring enlarges existing hole with

1. Asingle-point tool offset in bore✓
2. Btwist drill only always✓
3. Cknurling wheels✓
4. Dtap for external threads✓

Tapping cuts

1. Aexternal threads on lathe only by die✓
2. Bspur gear teeth on hob✓
3. Cinternal threads with fluted tap rotated into drilled hole✓
4. Dwelding seam root✓

Drill point angle for general steel is typically

1. A90 degrees always for all materials✓
2. B118 degrees✓
3. C180 degrees flat only✓
4. D45 degrees for lathe tools✓

Peck drilling cycles in CNC

1. Aincrease only spindle heat✓
2. Bretract chip breaker to clear swarf in deep holes✓
3. Celiminate coolant always✓
4. Duse only lathe tailstock✓

Counterboring produces

1. Ahelical thread only✓
2. Bexternal knurl only✓
3. Cgear hobbing path✓
4. Dflat-bottom enlarged hole section for bolt head✓

Countersinking creates

1. Aconical recess for flat-head screw✓
2. Bsquare keyway only✓
3. Cinternal spline only✓
4. Dlathe taper by offset✓

Shaper machine produces flat surfaces by

1. Arotating work on spindle only✓
2. BEDM spark gap only✓
3. Creciprocating single-point tool with linear feed✓
4. Dpowder sintering✓

Planer differs from shaper because

1. Atool rotates at high rpm always✓
2. Bwork reciprocates while tool is stationary✓
3. Conly grinding is performed✓
4. Dmetal is cast in mould✓

Quick return in shaper means

1. Aboth strokes equal time always✓
2. Btool rotates continuously✓
3. Cwork spins like lathe✓
4. Dcutting stroke slower than idle return stroke✓

Clapper box on shaper allows

1. Awork to rotate 360 degrees✓
2. Bgrinding wheel to dress✓
3. CCNC tool change✓
4. Dtool to lift on return stroke avoiding drag✓

Slotting machine is essentially

1. Ahorizontal lathe with turret✓
2. Bmilling arbor horizontal only✓
3. Cforge hammer✓
4. Dvertical shaper for internal slots and keyways✓

Surface grinding produces

1. Arough sand casting skin only✓
2. Bfine flat finish using rotating abrasive wheel✓
3. Cdeep hole by twist drill✓
4. Dexternal thread by rolling✓

Cylindrical grinding finishes

1. Aonly internal bores always✓
2. Bexternal cylindrical surfaces on centre-type grinder✓
3. Cwelded joints only✓
4. Dsheet metal blanks only✓

Centreless grinding supports work by

1. Alathe chuck jaws only✓
2. Bregulating wheel and grinding wheel without centres✓
3. Ctailstock quill pressure✓
4. Dmagnetic chuck on surface grinder table✓

Grinding wheel grade refers to

1. Awheel diameter only✓
2. Bwork rpm only✓
3. Cbond hardness holding abrasive grains✓
4. Dcoolant colour✓

Dressing of grinding wheel

1. Arestores geometry and exposes fresh abrasive grains✓
2. Bhardens workpiece surface only✓
3. Cincreases bond strength permanently✓
4. Dreplaces lathe tool insert✓

Truing of grinding wheel means

1. Ahardening steel work only✓
2. Btempering martensite✓
3. Cmaking wheel run concentric with spindle axis✓
4. Dannealing copper✓

HSS stands for

1. AHigh Stress Steel✓
2. BHot Solid State✓
3. CHigh Speed Steel✓
4. DHydraulic Spindle System✓

Carbide cutting tools use

1. Acemented tungsten carbide inserts brazed or clamped✓
2. Bpure lead soft tips✓
3. Csand mould binder✓
4. Drubber abrasive only✓

Ceramic cutting inserts suit

1. Aroughing soft aluminium only always✓
2. Bmanual wood turning only✓
3. Cunderwater welding✓
4. Dhigh-speed finishing of cast iron and hardened steel✓

CBN inserts are used for

1. Asoft brass only always✓
2. Bhard turning of hardened steels above 45 HRC✓
3. Cgreen sand moulds✓
4. Dplastic injection moulds only✓

Tool rake angle affects

1. Aonly coolant type✓
2. Blathe bed length✓
3. Cchip flow, cutting force and tool strength✓
4. Dgear module only✓

Clearance angle on cutting tool provides

1. Arelief so flank does not rub work after edge✓
2. Bextra chip load always✓
3. Chigher spindle belt tension✓
4. Dwelding arc length✓

Nose radius on insert improves

1. Aonly chip breaking negatively always✓
2. Belectrode wear in EDM only✓
3. Ctool strength and surface finish✓
4. Dsand permeability✓

Chip breaker groove purpose is

1. Aincrease tool fracture always✓
2. Bcurl and break chips for safety and clearance✓
3. Ccool mould sand✓
4. Dbalance crankshaft✓

Material removal rate increases with

1. Azero spindle rotation✓
2. Bdulled tool only✓
3. Cremoved coolant✓
4. Dhigher feed, depth of cut and cutting speed within limits✓

Taylor tool life equation relates

1. Alathe centre height only✓
2. Bcutting speed to tool life as VT^n = C✓
3. Cgear teeth count only✓
4. Dtyre inflation pressure✓

Cutting fluid primary functions include

1. Acooling, lubrication and chip flushing✓
2. Bincreasing tool brittleness✓
3. Creplacing machine lubrication in slides always✓
4. Dhardening work to martensite✓

Built-up edge on HSS tool occurs mainly when

1. Acutting soft ductile metals at low speed✓
2. Bgrinding hardened wheel always✓
3. CEDM finishing only✓
4. Dhigh-speed carbide finishing only✓

CNC stands for

1. ACentral Numeric Calibration✓
2. BContinuous Nonstop Cutting✓
3. CComputerized Natural Cooling✓
4. DComputer Numerical Control✓

G-code in CNC programming specifies

1. Aonly electrical wiring diagram✓
2. Bsand mould recipe only✓
3. Cmachine motion and auxiliary functions✓
4. Dforge heating curve only✓

M06 in CNC typically means

1. Atool change command✓
2. Bprogram end only✓
3. Ccoolant off only✓
4. Dhome all axes only✓

Climb milling or down milling requires

1. Aloose spindle bearings✓
2. Bmaximum table backlash✓
3. Conly hand feeding✓
4. Drigid machine and backlash elimination✓

Arbor in horizontal milling holds

1. Alathe faceplate on tailstock✓
2. Bdrill chuck on tailstock quill✓
3. Cgrinding wheel on surface grinder✓
4. Dcutters on horizontal spindle over table✓

Vertical milling machine has spindle

1. Ahorizontal only to table always✓
2. Bvertical to table; quill feeds tool✓
3. Cparallel to lathe bed✓
4. Dfixed at 45 degree only✓

Knee of milling machine supports

1. Aonly grinding wheel head✓
2. Blathe tailstock barrel✓
3. Csaddle and table vertically adjustable✓
4. Dforge anvil face✓

Indexing head on milling machine is used for

1. Alathe thread chasing only✓
2. Bdividing work into equal angular parts✓
3. Cwelding current control✓
4. Dhydraulic pump flow✓

Plain milling cutter has teeth on

1. Aperipheral circumference for slab milling✓
2. Bend face only always✓
3. Cmorse taper shank only✓
4. Dlathe tool post slot✓

End mill cuts with

1. Aonly lathe parting blade✓
2. Bonly grinding wheel face✓
3. Cperipheral and end teeth for slots and profiling✓
4. Donly welding torch✓

Face milling uses cutter with

1. Asingle-point HSS tool only on lathe✓
2. Binserts on large diameter for flat surfaces✓
3. Cwire EDM electrode✓
4. Dbroach for internal splines✓

Slab mill is another name for

1. Atap for threading holes✓
2. Bcentre drill for spotting✓
3. Cknurling wheel✓
4. Dplain milling cutter on arbor✓

Straddle milling uses

1. Aone end mill only always✓
2. Blathe steady rest✓
3. Cshaper clapper box✓
4. Dtwo side cutters separated by spacer on arbor✓

Gang milling mounts

1. Aonly one roughing end mill✓
2. Bwelding multiple torches✓
3. Cseveral cutters on same arbor for multiple surfaces✓
4. Dforge multiple hammers✓

Ball nose end mill is used for

1. Athrough-hole drilling only✓
2. Bthree-dimensional contour and mould surfaces✓
3. Cparting on lathe✓
4. Dsheet metal shearing✓

Drilling removes material by

1. Aoscillating single-point tool horizontally✓
2. Brolling between two dies✓
3. Cexplosive cladding✓
4. Drotating twist drill with axial feed into work✓

Centre drill creates

1. Asmall pilot hole and 60 degree centre for lathe✓
2. Bfinished bearing bore only✓
3. Cexternal thread profile✓
4. Dgear tooth root✓

Reaming improves hole by

1. Adrilling oversized hole first pass only✓
2. Bremoving small amount for size and finish with multi-flute tool✓
3. Cwelding filler deposition✓
4. Dsand casting core print✓

Boring enlarges existing hole with

1. Asingle-point tool offset in bore✓
2. Btwist drill only always✓
3. Cknurling wheels✓
4. Dtap for external threads✓

Tapping cuts

1. Aexternal threads on lathe only by die✓
2. Bspur gear teeth on hob✓
3. Cinternal threads with fluted tap rotated into drilled hole✓
4. Dwelding seam root✓

Drill point angle for general steel is typically

1. A90 degrees always for all materials✓
2. B118 degrees✓
3. C180 degrees flat only✓
4. D45 degrees for lathe tools✓

Peck drilling cycles in CNC

1. Aincrease only spindle heat✓
2. Bretract chip breaker to clear swarf in deep holes✓
3. Celiminate coolant always✓
4. Duse only lathe tailstock✓

Counterboring produces

1. Ahelical thread only✓
2. Bexternal knurl only✓
3. Cgear hobbing path✓
4. Dflat-bottom enlarged hole section for bolt head✓

Countersinking creates

1. Aconical recess for flat-head screw✓
2. Bsquare keyway only✓
3. Cinternal spline only✓
4. Dlathe taper by offset✓

Shaper machine produces flat surfaces by

1. Arotating work on spindle only✓
2. BEDM spark gap only✓
3. Creciprocating single-point tool with linear feed✓
4. Dpowder sintering✓

Planer differs from shaper because

1. Atool rotates at high rpm always✓
2. Bwork reciprocates while tool is stationary✓
3. Conly grinding is performed✓
4. Dmetal is cast in mould✓

Quick return in shaper means

1. Aboth strokes equal time always✓
2. Btool rotates continuously✓
3. Cwork spins like lathe✓
4. Dcutting stroke slower than idle return stroke✓

Clapper box on shaper allows

1. Awork to rotate 360 degrees✓
2. Bgrinding wheel to dress✓
3. CCNC tool change✓
4. Dtool to lift on return stroke avoiding drag✓

Slotting machine is essentially

1. Ahorizontal lathe with turret✓
2. Bmilling arbor horizontal only✓
3. Cforge hammer✓
4. Dvertical shaper for internal slots and keyways✓

Surface grinding produces

1. Arough sand casting skin only✓
2. Bfine flat finish using rotating abrasive wheel✓
3. Cdeep hole by twist drill✓
4. Dexternal thread by rolling✓

Cylindrical grinding finishes

1. Aonly internal bores always✓
2. Bexternal cylindrical surfaces on centre-type grinder✓
3. Cwelded joints only✓
4. Dsheet metal blanks only✓

Centreless grinding supports work by

1. Alathe chuck jaws only✓
2. Bregulating wheel and grinding wheel without centres✓
3. Ctailstock quill pressure✓
4. Dmagnetic chuck on surface grinder table✓

Grinding wheel grade refers to

1. Awheel diameter only✓
2. Bwork rpm only✓
3. Cbond hardness holding abrasive grains✓
4. Dcoolant colour✓

Dressing of grinding wheel

1. Arestores geometry and exposes fresh abrasive grains✓
2. Bhardens workpiece surface only✓
3. Cincreases bond strength permanently✓
4. Dreplaces lathe tool insert✓

Truing of grinding wheel means

1. Ahardening steel work only✓
2. Btempering martensite✓
3. Cmaking wheel run concentric with spindle axis✓
4. Dannealing copper✓

HSS stands for

1. AHigh Stress Steel✓
2. BHot Solid State✓
3. CHigh Speed Steel✓
4. DHydraulic Spindle System✓

Carbide cutting tools use

1. Acemented tungsten carbide inserts brazed or clamped✓
2. Bpure lead soft tips✓
3. Csand mould binder✓
4. Drubber abrasive only✓

Ceramic cutting inserts suit

1. Aroughing soft aluminium only always✓
2. Bmanual wood turning only✓
3. Cunderwater welding✓
4. Dhigh-speed finishing of cast iron and hardened steel✓

CBN inserts are used for

1. Asoft brass only always✓
2. Bhard turning of hardened steels above 45 HRC✓
3. Cgreen sand moulds✓
4. Dplastic injection moulds only✓

Tool rake angle affects

1. Aonly coolant type✓
2. Blathe bed length✓
3. Cchip flow, cutting force and tool strength✓
4. Dgear module only✓

Clearance angle on cutting tool provides

1. Arelief so flank does not rub work after edge✓
2. Bextra chip load always✓
3. Chigher spindle belt tension✓
4. Dwelding arc length✓

Nose radius on insert improves

1. Aonly chip breaking negatively always✓
2. Belectrode wear in EDM only✓
3. Ctool strength and surface finish✓
4. Dsand permeability✓

Chip breaker groove purpose is

1. Aincrease tool fracture always✓
2. Bcurl and break chips for safety and clearance✓
3. Ccool mould sand✓
4. Dbalance crankshaft✓

Material removal rate increases with

1. Azero spindle rotation✓
2. Bdulled tool only✓
3. Cremoved coolant✓
4. Dhigher feed, depth of cut and cutting speed within limits✓

Taylor tool life equation relates

1. Alathe centre height only✓
2. Bcutting speed to tool life as VT^n = C✓
3. Cgear teeth count only✓
4. Dtyre inflation pressure✓

Cutting fluid primary functions include

1. Acooling, lubrication and chip flushing✓
2. Bincreasing tool brittleness✓
3. Creplacing machine lubrication in slides always✓
4. Dhardening work to martensite✓

Built-up edge on HSS tool occurs mainly when

1. Acutting soft ductile metals at low speed✓
2. Bgrinding hardened wheel always✓
3. CEDM finishing only✓
4. Dhigh-speed carbide finishing only✓

CNC stands for

1. ACentral Numeric Calibration✓
2. BContinuous Nonstop Cutting✓
3. CComputerized Natural Cooling✓
4. DComputer Numerical Control✓

G-code in CNC programming specifies

1. Aonly electrical wiring diagram✓
2. Bsand mould recipe only✓
3. Cmachine motion and auxiliary functions✓
4. Dforge heating curve only✓

M06 in CNC typically means

1. Atool change command✓
2. Bprogram end only✓
3. Ccoolant off only✓
4. Dhome all axes only✓