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UNIT-1_MCMT

Total questions: 58

Worksheet time: 29mins

Name
Class
Date
1.

Which cutting condition affects the cutting temperature predominantly?

a)

Depth of cut

b)

Cutting speed

c)

Feed

d)

None of the above

2.

Continuous chips are formed during metal cutting operation due to

a)

Ductile work materials

b)

Large rake angle

c)

High cutting speed

d)

All of the above

3.

The surface of the single point cutting tool on which the chips formed in cutting operation side is called as

a)

Flank

b)

Heel

c)

Face

d)

Shank

4.

Which type of chips form while machining of brittle materials?

a)

Continuous chips

b)

Discontinuous chips

c)

Continuous chip with build-up edge

5.

The angle between side cutting edge and end cutting edge is called as

a)

Approach angle

b)

Nose angle

c)

Side relief angle

d)

End relief angle

6.

In order to achieve a specific surface finish in single point turning the most important factor to be

a)

Depth of cut

b)

Cutting speed

c)

Feed

d)

Tool rake angle

7.

The cutting speed is maximum while machining _________ with a high speed steel tool

a)

Cast iron

b)

Mild steel

c)

Brass

d)

Aluminum

8.

Tool life is affected by

a)

Cutting speed

b)

Depth of cut

c)

Feed

d)

All of the above

9.

In oblique cutting chips are in form of

a)

Long curl

b)

Flat spiral

c)

Discontinuous

d)

Short & Thick

10.

Functions of cutting fluids are

a)

To cool the cutting tool and the work piece

b)

To lubricate the chip, tool and work piece

c)

To help to carry away the chips

d)

All of the mentioned

11.

Angle that controls both directions of chip flow and strength of the tool tip

a)

Side rake angle

b)

Relief angle

c)

Rake angle

d)

None of the mentioned

12.

In metal cutting operation, maximum heat (80 to 85%) is generated in

a)

The shear zone

b)

The chip tool interface

c)

The tool work interface

d)

None of the mentioned

13.

The point at which the cutting tool reaches, beyond which it will not function satisfactorily until it is re-ground, is called as

a)

Tool wear

b)

Tool failure

c)

Tool diffusion

d)

None of the above

14.

The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = an exponent, which depends upon the tool and work piece and c = A constant)

a)

VnT = C

b)

VTn = C

c)

Vn/T = C

d)

V/Tn = C

15.

The correct sequence of the following parameters in order of their maximum to minimum influence of tool life is

a)

Feed rate, depth of cut and cutting speed

b)

Depth of cut, cutting speed and feed rate

c)

Cutting speed, feed rate and depth of cut

d)

Feed rate, cutting speed and depth of cut

16.

Which type of cutting tools has wide applications on lathes?

a)

Single point

b)

Multi point

c)

Both single and multi point

d)

None of the above

17.

The cutting tool wears due to

a)

Edge wear

b)

Crater wear

c)

Flank wear

d)

All of the above

18.

The built up edge in cutting tools can be eliminated by

a)

Fast cutting speed

b)

Higher rake angles

c)

High pressure cutting fluid

d)

All of the above

19.

The tool life increases with the

a)

Increase in side cutting edge angle

b)

Decrease in side rake angle

c)

Decrease in nose radius

d)

Decrease in back rake angle

20.

Temperature rise in the primary deformation zone is generally due to

a)

Plastic deformation of metal in shear zone

b)

Friction between tool and chip

c)

Rubbing action of tool piece with the work piece

d)

None of the mentioned

21.

By increasing feed rate, the amount of heat generated

a)

Increases

b)

Decreases

c)

Remains constant

d)

None of the mentioned

22.

clearance angle is also known as ________.

a)

Relief angle

b)

Single point cutting edge

c)

Multi point cutting edge

d)

Rack angle

23.

_______ may be positive, or negative or even zero

a)

Rake angle

b)

Clearance angle

c)

Single point cutting edge

d)

Multi point point cutting edge

24.

The _______ is always at the topside of the tool.

a)

rake angle

b)

clearance angle

c)

single point cutting tool

d)

multi point cutting tool

25.

Which type of chips form while machining of brittle materials?

a)

continuous chips

b)

Discontinuous chip

c)

Built-up chips

d)

All of the above with some proportion

26.

The angle between side cutting edge and end cutting edge is called as

a)

approach angle

b)

nose angle

c)

side relief angle

d)

end relief angle

27.

In metal cutting process

a)

material removal is affected by relative motion between tool and the workpiece

b)

material removal is not affected by relative motion between tool and the workpiece

28.

Continuous chips are formed during metal cutting operation due to

a)

ductile work materials

b)

large rake angle

c)

high cutting speed

d)

all of the above

29.

The surface of the single point cutting tool on which the chips formed in cutting operation slide is called as

a)

Flank

b)

Heel

c)

Face

d)

Shank

30.

1. Oblique cutting is ___ dimensional metal cutting.

a)

(A) one

b)

(B) two

c)

(C) three

d)

(D) none of the above

31.

2.In which of the following multi-point cutting tool is used

a)

(A) milling

b)

(B) lathe

c)

(C) shaper

d)

(D) boring

32.

5.In how many groups, cutting tools can be divided?

a)

a) 2

b)

b) 3

c)

c) 4

d)

d) none of the mentioned

33.

8.Drilling is an example of

a)

A.Simple cutting

b)

B.Oblique cutting

c)

C.Orthogonal cutting

d)

D.Uniform cutting

34.

Metal removal without segments is called ............................

a)

continuous chips

b)

Discontinuous chips

c)

Build up Edge

d)

None of these

35.

........................................... is the main body of the tool.

a)

Face

b)

Flank

c)

Shank

d)

Nose

36.

Example for single point cutting tool is ..................................

a)

Milling

b)

Drilling

c)

Broaching

d)

Turning

37.

A cutting tool is

a)

single point

b)

multi point

c)

both (A) and (B)

d)

pointless

38.

Following is (are) machine tool(s)

a)

lathe

b)

shaper

c)

milling

d)

all of the above

39.

Orthogonal cutting is ___ dimensional metal cutting.

a)

one

b)

two

c)

three

d)

none

40.

This angle is provided on tool to provide clearance between work piece and tool so as to prevent the rubbing of work- piece with end flake of tool.

a)

Side rake angle

b)

End relief angle

c)

Side relief angle

d)

Back rake angle

41.

It is the angle between the portion of the side flank immediately below the side edge and a line perpendicular to the base of the tool measured at right angles to the side.

a)

Side rake angle

b)

End relief angle

c)

Side relief angle

d)

Back rake angle

42.

Following angle is responsible for turning the chip away from the finished surface.

a)

Side cutting edge angle

b)

End relief angle

c)

Side relief angle

d)

Back rake angle

43.

___ is responsible for generating surface finish on the work-piece.

a)

Side cutting edge angle

b)

End relief angle

c)

Nose Radius

d)

Back rake angle

44.

Continuous chip obtained while machining

a)

Brass

b)

Cast Iron

c)

Super Alloy

d)

Copper

45.

Discontinuous chip obtained while machining

a)

Brass

b)

Cast Iron

c)

Super Alloy

d)

Copper

46.

Following is (are) the function(s) of coolant

a)

Reduce friction

b)

cooling

c)

Provides smaller built up edge

d)

All of above

47.

The point at which the cutting tool reaches, beyond which it will not function satisfactorily until it is reground, is called as

a)

tool diffusion

b)

tool wear

c)

tool failure

d)

none

48.

Which cutting condition affects the cutting temperature predominantly?

a)

depth of cut

b)

cutting speed

c)

feed

d)

none of above

49.

Which type of chips form while machining of ductile materials?

a)

continuous chips

b)

discontinuous chips

c)

builtup chip

d)

all of above

50.
Back rake angle is ____________
a)
angle between face of tool and line parallel to shank
b)
face of tool is inclined sideways
c)
angle between face and flank of tool
d)
angle between flank of tool and line parallel to shank
51.
Side rake angle is _________
a)
angle between face of tool and line parallel to shank
b)
face of tool is inclined sideways
c)
angle between face and flank of tool
d)
angle between flank of tool and line parallel to shank
52.
Flank surface is __________
a)
surface which is in contact with chip
b)
surface which is in contact finished surface
c)
part in which tool gets support
53.
Face of tool is ________
a)
surface which is in contact with chip
b)
surface which is in contact finished surface
c)
part in which tool gets support
54.
Shank of tool is ________
a)
surface which is in contact with chip
b)
surface which is in contact finished surface
c)
part in which tool gets support
55.
To reduce the friction and force, ________ is preffered
a)
Positive rake
b)
Negative rake
c)
zero rake
56.
Cutting tough materials, __________ is preffered
a)
Positive rake
b)
Negative rake
c)
zero rake
57.
How many types of cutting edge are there in single point cutting tools
a)
1
b)
2
c)
3
d)
4
58.
Rake angle can changes the chip to flow in convenient direction
a)
True
b)
false

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