LATHE, BORING, BRILLING, REAMING MCQS
- The hardest manufactured cutting tool material is
- The type of chip produced when cutting ductile material is
- Depth of cut of finish grinding of steel in surface grinder is of the order of
- The point of a twist drill is thinned in order to
- For drilling operation, the cylindrical job should always be clamped on a
- Driling is an example of
- The cutting edges of a standard twist drill are called
- Trepanning is an operation of
- The helical grooves which extend to the full lengthhof the drill body are called
- The angle formed by the leading edge of the land with a plane having the axis of the drill is known as
- The number of helical groves which are present in a standard twist drill is usually
- A standard ground drill has a point angle of
- Goose neck tools are preferred on planers and slotters because
- For harder materials, the point angle of drill is
- For ferrous materials, the helix angle of drill is taken as
- The commonly used value of feed while machining mild steel on shaper with HSS tool is of the order of
- The cutting speed of high speed steel twist drill to machine grey cast iron is
- Optimum rake angle of a tool is a function of
- The back rake angle of HSS single point cutting tool for machining brass is
- The recommended value of rake angle for machining aluminium with diamond tool is
- The angle between the face of tool, and the line tangent to the machined surtace at the cutting point is known as
- The angle between the tool face and the ground end surface of flank is known a
- The recommended value of rake angle for machining aluminium with high speed steel tool is
- The angle between the face of the tool and the plane parallel to the base of the cutting tool is called
- The recommended value of rake angle for machining aluminium with cemented carbide toolis
- The normal back rake angle of carbide single point cutting tool for machining aluminium is of the order of
- For softer material, the point angle of drill is
- The metal cutting wedge is fundamental to the geometry of
- The tool life of a single point cutting tool with increase in back rake angle, with other parameters constant, will
- Tool signatureis
(a) diamond
(b) high speed steel1
(c) ceramic
(d) carbon steel
(e) cemented carbide.
cemented carbide.
(a) continuous
(b) discontinuous
(c) with built up edge
(d) any one of the above depending on other factors
(e) none of the above.
with built up edge
(a) 0.001 to 0.005 mm
(b) 0.005 to 0.01 mm
(c) 0.05 to 0.1 mm
(d) 0.01 to 0.5 mm
(e) 0.1 to 0.5 mm.
0.005 to 0.01 mm
(a) decrease the rake angle
(b) increase the rake angle
(c) reduce the hole diameter
(d) reduce the axial feed pressure
(e) locate in the centre punch mark.
reduce the hole diameter
(a) collet
(b) socket
(c) jaw
(d) vise
(e) V-block.
collet
(a) uniform cutting
(b) simple cutting
(c) orthogonal cutting
(d) oblique cutting
(e) intermittent cutting
oblique cutting
(a) flutes
(b) lips
(c) wedges
(d) flanks
(e) conical points.
flutes
(a) cutting internal threads
(b) producing a hole by removing metal along the circumference of a hollow cutting tool
(c) making a cone-shaped enlargement of the end of a hole
(d) superfinishing
(e) coating metal for wear resistance.
cutting internal threads
(a) lips
(b) cutting edges
(c) margins
(d) flutes
(e) shanks.
shanks.
(a) helix angle or rake angle
(b) point angle
(c) lip clearance angle
(d) chisel edge angle
(e) primary angle.
point angle
(a) one
(b) two
(c) three
(d) four
(e) five.
two
(a) 90°
(b) 100°
(c) 118°
(d) 120
(e) 130°.
118°
(a) digging in and scoring of the work is minimumn
(b) large clearance angles are possible
(c) friction between flank and machined surface is less
(d) tool is very rigid
(e) back rake is appropriate
back rake is appropriate
(a) decreased
(b) increased
(c) kept at 118°
(d) point angle has nothing to do with type of material
(e) none of the above.
kept at 118°
(a) 45
(b) 30°
(c) 90°
(d) 60°
(e) none of the above.
60°
(a) 0.5 mm
(b) 0.1 mnm
(c) 1.5 mm
(d) 1.0 mnm
(e) 3.0 mm.
0.5 mm
(a) 25-40 m/mt
(b) 10-20 m/mt
(c) 100-160 m/mt
(d) 50-80 m/mt
(e) 180-240 m/mt.
50-80 m/mt
(a) cutting speed
(b) cutting tool material
(c) properties of work material
(d) cutting conditions, i.edry or lubricant
(e) feed and depth of cut.
feed and depth of cut.
(a) -5°
(b) 10°
(c) 5°
(d) 0°
(e) 7
10°
(a) 5°
(b) 0
(c) 25°
(d) 15°
(e) 35°
25°
(a) lip angle
(b) rake angle
(c) cutting angle
(d) clearance angle
(e) nose angle.
rake angle
(a) rake angle
(b) lip angle
(c) cutting angle
(d) clearance angle
(e) nose angle.
clearance angle
(a) 5
(b) 0°
(c) 25
(d) 15
(e) 35
15
(a) cutting angle
(b) rake angle
(c) lip angle
(d) clearance angle
(e) nose angle.
rake angle
(a) 5
(b) 0°
(c) 25
(d) 15°
(e) 3
3
(a) – 5° to 0°
(b) 0 to 5
(c) 10 to 15°
(d) 0 to 10°
(e) 10 to 20°.
0 to 5
(a) decreased
(b) increased
(c) kept at 118°
(d) point angle has nothing to do with type of material
(e) none of the above.
decreased
(a) hand tools
(b) power driven tools
(c) lathe tools
(d) sheet metal cutting tools
(e) all of the above.
lathe tools
(a) increase slightly
(b) decrease slightly
(c) remain unchanged
(d) increase tremendously
(e) decrease tremendously.
decrease tremendously.
(a) there is nothing like tool signature
(b) a numerical method of identification of tool
(c) the plan of tool
(d) the complete specification of tool
(e) none of the above.
none of the above.
Cover Topic
“lathe machine”,”boring machine”,”reaming operation”
