CUTTING TOOLS AND OPERATIONS MCQ 3
CUTTING TOOLS AND OPERATIONS MCQ 3
1) The Suitable cutting fluid for drilling M.S. plate is
soluble oil
dry
water
compressed air
Correct Answer (B)
2) The commonly used standard length of hacksaw blade is
100 mm
150 mm
200 mm
250 mm
Correct Answer (D)
3) The distance a drill advances into the job in one complete revolution is known as
machine speed
cutting speed
feed
r.p.m
Correct Answer (D)
4) Which one of the following is used to hold the straight shank drill having diameter less than 12 mm?
Sleeve
Socket
Drill chuck
Drill drift
Correct Answer (C)
5) The rate of feed depends upon
finish required
material of tool (drill)
material to be drilled
all the above
Correct Answer (D)
6) Which among the following is NOT the factor for selection of cutting speed and feed for reaming a hole with a machine reamer? *
4 points
Material of the reamer.
Rigidity of the fixture.
Diameter (size) of the reamer.
Material of the job.
Correct Answer (B)
7) A nut is to be made for a screw of M10 x 1.5. What should be the size of drilled hole?
8.5 mm
9.0 mm
9.5 mm
10.0 mm
Correct Answer (A)
8) Which among the following factors will NOT influence the selection of the cutting speed while performing operation on drilling machine ?
Material of job
Width of job
Operation to be performed
Material of tool
Correct Answer (B)
9) The reamer teeth and spacing are designed to assist in reaming more accurate holes with good surface finish. Which one of the following is true regarding the number of teeth and their spacing?
Uneven number of teeth and uneven spacing
Uneven number of teeth and even spacing
Even number of teeth and uneven spacing
Even number of teeth and even
Correct Answer (C)
10) which among the following is an artificial abrasive?
corundum
Aluminaum Oxide
Emery
Diamond
Correct Answer (C)
11) The angle of drill grinding gauge is
59°
118°
121°
124°
Correct Answer (C)
12) A die nut is nothing but
a nut for tightening the die in the die stock
a die which is used for cutting threads in nuts
a die in the shape of a nut
a nut forged by using dies
Correct Answer (A)
13) A warding file is similar to
flat file but thinner in thickness
flat file but uniform in width
hand file but narrow in width
flat file but thinner and uniform in thickness
Correct Answer (A)
14) The taper shank of a drill of 20 mm diameter has
MT-1 taper
MT-2 taper
MT-3 taper
MT-4 taper
Correct Answer (B)
15) For grinding carbide materials
Diamond wheel is used
Corundum wheel is used
Silicon carbide wheel is used
Aluminium oxide wheel is used
Correct Answer (A)
16) Hacksaw blades with fine-pitched teeth are more effective on
thin section metal
soft metals
broad section metals
non-metals
Correct Answer (A)
17) When threading a blind hole, the third (finisher) tap is used
to form the threads easily
to thread the hole with full threads upto the bottom
after the first (rougher) tap
to start the threads
Correct Answer (B)
18) In case of a single cut file, the teeth are cut on the file face at an angle of
45° to the centre line of the file
60° to the centre line of the file
75° to the centre line of the file
80° to the centre line of the file
Correct Answer (B)
19) A short reamer with an axial hole used with an arbor or mandrel is called
parallel reamer
adjustable reamer
expansion reamer
chucking reamer
Correct Answer (D)
20) The material of twist drill is generally
Cast steel
Carbide steel
Diamond
H.S.S
Correct Answer (D)
21) The best position to hold the job in the vice when filing is
arm level
eye level
elbow level
shoulder level
Correct Answer (B)
22) Which one among the following is NOT the cause for a broken tap while tapping?
Too much downward pressure is applied
Cutting oil is not used
The tap has coarse threads
Smaller tap drill size is used
Correct Answer (C)
23) What will happen if the job is loosely fitted between centres in cylindrical grinding?
The job will not rotate
The job will be oversized
The job will be out of round
The job will be thrown out
Correct Answer (C)
24) The cause for glazing of a grinding wheel is
- a) grain size is too fine
- b) wheel is hard.
- c) wheel speed is too fast
- d) ‘A’ and ‘B’ both
Correct Answer (D)
25) Which one of the following bonds is most commonly used on grinding wheels?
Vitrified
Rubber
Shellac
Silicate
Correct Answer (A)
