Related Questions

The relief or clearance at the cutting edge of a flat drill varies from
A 3° to 8°
B 20° to 30°
C 60° to 90°
D 90° to 120°
The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
A Lip clearance angle
B Helix angle
C Point angle
D Chisel edge angle
The cutting speed of a drill depends upon the
A Material of drill
B Type of material to be drilled
C Quality of surface finish desired
D All of these
A drill considered as a cutting tool having zero rake, is known as a
A Flat drill
B Straight fluted drill
C Parallel shank twist drill
D Tapered shank twist drill
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
A $$\left( {A + B} \right)\alpha \,C$$
B $$\left( {A - B} \right)\alpha \,\frac{1}{C}$$
C $$\sqrt {AB} \,\alpha \,C$$
D $$\frac{A}{B} = {\text{constant}}$$
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
A microfilm
B microfiche
C film card
D COM
E None of the above
The width of cutting edge of a parting off tool varies from
A 3 to 12 mm
B 5 to 20 mm
C 8 to 30 mm
D 15 to 40 mm
The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from
A 10 to 20 m/min
B 18 to 30 m/min
C 24 to 45 m/min
D 60 to 90 m/min
The cutting speed for drilling copper with high speed steel drills varies from
A 10 to 20 m/min
B 18 to 30 m/min
C 24 to 45 m/min
D 60 to 90 m/min
The operation of cutting of a flat sheet to the desired shape is called
A Shearing
B Piercing
C Punching
D Blanking

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