CUTTING TOOLS AND OPERATIONS MCQ 2
CUTTING TOOLS AND OPERATIONS MCQ 2
1) Both sides of a flat bastard file have
no cut
single cut teeth
double cut teeth
wavy teeth
Correct Answer (C)
2) The leng th of hacksaw blade is measured from
one end of the toothed portion to the other end
centre of one pin hole to the centre of other pin hole
end to end of blade
end of one hole to the end of the other pin hole
Correct Answer (B)
3) The new hacksaw blade should not be used in the blind saw cut made by old blade because
the space is not enough to run the blade
the blade is costly
the new blade has sharp teeth
none of the above
Correct Answer (A)
5) File card is used for
cleaning the chips
cleaning the file teeth
cleaning the workpiece
renewing the file teeth
Correct Answer (B)
6) Setting of teeth in hacksaw blade is
not required
required to avoid friction between the blade and workpiece
required for providing teeth on the blade
required for increasing the strength of blade
Correct Answer (B)
7) A Ø 6H7 hole is to be reamed in a steel workpiece. What size of drill will be required?
5.5 mm
5.8 mm
6.0 mm
6.2 mm
Correct Answer (B)
8) Which one of the following materials is used for making a grinding wheel ?
Granite
Silicon carbide
Sand
Calcium carbonate
Correct Answer (B)
9) Spot-facing is done to
make surface flat so that bolt head can take proper seat on the surface.
give fine finish to the drilled hole.
deburr the mouth of the drilled hole
enlarge the existing hole.
Correct Answer (A)
10) For tapping with M5 tap, what size drill will you use?
4.0 mm
3.5 mm
4.5 mm
3.8 mm
Correct Answer (A)
11) A slight convexity is made on the cutting edges of flat chisel for
cutting curved surfaces.
allowing lubricant to reach the cutting edge.
preventing digging of the ends of cutting edge.
cutting sharp corners
Correct Answer (C)
12) The point angle of twist drill depends upon the
type of drilling machine
size of the drill
material to be drilled
cutting speed
Correct Answer (C)
13) The point angle of twist drill for general purposes is
60°
118°
135°
90°
Correct Answer (B)
14) The relief angle given behind the cutting lips is called
lip clearance angle
helix angle
rake angle
chisel edge angle
Correct Answer (A)
16) The process of enlarging the end of an existing hole to accommodate the head of socket screw is called
spot-facing
boring
counter-boring
counter-sinking
Correct Answer (C)
17) The process of beveling the end of existing hole is called
spot-facing
counter-sinking
counter-boring
boring
Correct Answer (B)
18) While chipping, the clearance angle is the angle between
the working surface of the job and the top surface of cutting edge of chisel
the working surface of the job and the bottom surface of cutting edge of chisel
the surface at right angle to the cutting edge of chisel and the working surface of the job
None of the above
Correct Answer (B)
19) The most suitable pitch of the hacksaw blade for cutting thin section tubes is
0.8 mm
1.0 mm
1.4 mm
1.8 mm
Correct Answer (A)
20) The suitable pitch of hacksaw for cutting solid brass is
0.8 mm
1.0 mm
1.4mm
1.8mm
Correct Answer (D)
21) The taper shank drills should be removed from the machine spindle by means of
tang of file
punch
hammer
drift
Correct Answer (D)
22) Drill chucks are held on the machine spindle by means of
arbor
draw-in bar
drift
chuck nut
Correct Answer (A)
23) What should be the blank size of round bar for cutting M16 threads with 2 mm pitch with a die?
15.5 mm
15.8 mm
15.9 mm
16.0 mm
Correct Answer (B)
24) Drill sleeve is used when the taper shank of the drill is
smaller than the machine spindle
larger than the machine spindle
equal to the machine spindle
None of the above
Correct Answer (A)
25) The lip clearance angle of twist drill for general purpose should be
3 to 5°
4 to 8°
8 to 12°
12 to 15°
Correct Answer (D)
