1.
In Drilling Machine
a)
Drill is stationary and workpiece is rotating
b) Drill is rotating and workpiece is
stationary
c)
Drill is rotating and workpiece is rotating
d)
Drill is moving and workpiece is moving
2.
Which one of the following metals does not
require any coolant during Reaming?
a)
Aluminum
b) Cast iron
c)
Copper
d)
Steel
3.
The grooves provided on the entire length of the
body of a twist drill are called
a)
Lips
b) Flutes
c)
C. Margins
d)
Webs
4.
A cutting tool used to finish and enlarge a hole
is known as
a)
Drill
b)
Tap
c)
Die
d) Reamer
5.
___ is provided in drill for the passage of
chips and cutting fluid.
a)
shank
b) flutes
c)
tang
d)
clearance
6.
In Drilling Machine, the drill ¡s a
a)
Single point cutting tool
b)
Two point cutting tool
c)
Line cutting tool
d) Multipoint cutting tool
7.
The end of the drill bit is in shape
a)
semi-circular
b)
flat
c) conical
d)
(b) or (c)
8.
____ drilling machine is the largest and most
versatile of all drilling machines.
a)
Pillar
b)
Bench
c)
Upright
d) Radial
9.
In Drilling Machine, the linear motion of the drill
is called as
a)
speed
b)
depth of cut
c)
travel
d) feed
10.
A wedge-like tool is used for removing the taper
shank tools from the nose of the machine spindle. What is this called?
a)
Drill chuck
b)
Drill key
c)
Drill socket
d) Drill drift
11.
A hole,
which is not made through the full depth of the component ¡s known as
a)
Core hole
b) Blind hole
c)
Pin hole
d)
Bore hole
12.
The tool used for internal threads is called as
a)
lead screw
b)
screw tool
c) Tap
d)
Drill
13.
The point angle of the twist drill depends upon the
a)
Cutting speed
b)
Type of drilling machine
c)
Size of the drill
d) Material to be drilled
14.
The point angle of the twist drill for general
purpose is
a)
135 Degree
b) 118 Degree
c)
90 Degree
d)
60 Degree
15.
The process of enlarging the end of an existing
hole to accommodate the head of socket screw is called
a)
Spot-facing
b)
Boring
c) Counter-boring
d)
Counter-sinking
16.
The process of beveling the end of an existing hole
is called
a)
Spot-facing
b)
Boring
c)
Counter-boring
d) Counter-sinking
17.
Drill chucks are held on the machine spindle by
means
a) Arbor
b)
Drift
c)
Draw-in bar
d)
Chuck nut
18.
Drill sleeve is used when the taper shank of the
drill is
a) Smaller than the machine spindle
b)
Larger than the machine spindle
c)
Equal to the machine spindle
d)
None of the above
19.
The suitable cutting fluid for drilling the M.S
plate is
a) Soluble oil
b)
Water
c)
Compressed air
d)
Dry
20.
Which
drilling machine is used to perform drilling operation on the workpieces which
are too heavy and also maybe too large to mount on worktable?
a)
Portable drilling machine
b)
Sensitive drilling machine
c) Radial drilling machine
d)
None of the above
21.
The
distance a drill advances into the job in one complete revolution is known as
a)
R.P.M
b)
Cutting speed
c) Feed
d)
Machine speed
22.
Which one of the following is used to hold the
straight shank
a)
Drill having diameter less than 12 mm?
b)
Socket
c) Drill chuck
d)
Drill drift
23.
The taper shank of a drill of 20 mm diameter has
a)
MT-I taper
b) MT-2 taper
c)
MT-3 taper
d)
MT-4 taper
24.
Which one of the following drilling machines ¡s
used for drilling holes where electricity ¡s not available?
a)
Bench drilling machine
b)
Pillar drilling machine
c)
Radial drilling machine
d) Ratchet drilling machine
25.
Which one of the following operations can be
used for removing burrs formed at the edge of the hole while drilling?
a)
Countersinking
b) Counter-boring
c)
Spot-facing
d)
Chamfering by filing
26.
On drilling machine, which process is known as
reaming?
a)
Enlargement of existing hole
b)
Hole made by removal of metal along the hole
circumference
c) Smoothly finishing and accurately sizing a
drilled hole
d)
All of the above
27.
What is not the part of drilling machine?
a)
Tool holder
b)
Spindle Radial
c)
Tabled
d) Cross slide
28.
Which of the following is not a part of Drilling
machine
a)
Spindle
b)
Head
c)
Column
d) Mandrel
29.
Which of the following drilling machine ¡s
suitable for a job with multiple hole
a)
portable drilling machine
b)
radial drilling machine
c) gang drilling machine
d)
all of the above
30.
The space provided to eliminate undesirable
contact between the drill and the workpiece
a) clearance
b)
clearance diameter
c)
cutter sweep
d)
none of the above
.