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Worksheets

MCMT QUIZ

Total questions: 136

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

The removing of unwanted material from a block of metal in the form of chips is called as _______.

a)

Metal cutting

b)

Welding

c)

Casting

d)

Soldering

2.

The cutting edge of tool is perpendicular to the work piece axis is _________ cutting.

a)

Orthogonal cutting

b)

Oblique cutting

c)

Shear cutting

d)

Trust cutting

3.

The cutting edge is inclined at an acute angle with normal to the cutting velocity vector is called ________ cutting process.

a)

Orthogonal cutting

b)

Oblique cutting

c)

shear cutting

d)

Trust cutting

4.

The sheared material begins to along the cutting tool face in the form of small pieces is called ______.

a)

Chips

b)

Metal block

c)

Cutting tool

d)

Workpiece

5.

A notch or groove in the face of a tool parallel to the cutting edge, to break the continuity of the chips is called _____.

a)

Chip breaker

b)

Chips

c)

Tool face

d)

Workpiece

6.

In metal cutting process, material removal is not affected by relative motion between tool and the workpiece

a)

True

b)

False

7.

choose the type of process as shown in the figure....

a)

Orthogonal cutting

b)

Oblique cuttting

c)

Both of the above

d)

None of the above

8.

Where does Metal come from?

a)

Earth

b)

Sea and Land

c)

Ore and Bauxite

d)

Fossil

9.

The forces required for metal cutting operation

a)

increase with increase in the feed of the tool and decreases with increase in the depth of cut

b)

decrease with increase in the feed of the tool and increases with increase in the depth of cut

c)

increase with increase in both the feed of the tool and the depth of cut

d)

decrease with increase in both the feed of the tool and the depth of cut

10.

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

11.

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

12.

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

13.

In the metal cutting process, when the compression limit of the metal in front of the cutting tool has been exceeded then it is separated from workpiece and flows

a)

elastically

b)

plastically

c)

rigidly

d)

none of the above

14.

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

15.

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

16.
A machine tool is
a)
a piece of equipment used to shape metal ot other rigid materials
b)
made of two pieces of equipement to create metal
c)
used to cut metal or rigid materials
d)
a piece of equipment used to hammer metal or other rigid materials
17.
The lathe is
a)
a renewable source of energy
b)
a turning machine
c)
the process of giving a specific shape
d)
a system that makes a car move
18.
Turning is 
a)
a form of material removal process, which is used to create rotational parts by cutting away unanwanted material
b)
applied to internal surfaces
c)
a cutting process
d)
the use of abrasive material
19.
The parts of a lathe are
a)
headstock, spindle, tool rest, lock knob, tailstock, bed, tool post, workbench, power source
b)
headstock, spindle, tool rest, lock knob,  bed, tool post.
c)
headstock, spindle,  tailstock, bed, tool post.
d)
headstock, spindle, tool rest, lock knob, tailstock, bed, tool post.
20.
The counterpoint to the headstock is
a)
the bed
b)
the tailstock
c)
the tool rest
d)
the spindle
21.
A workpiece is referred to as between centres when it is
a)
first mounted with a certain axis of rotation worked, then remounted with a new axis of rotation
b)
fixed only to the spindle at the headstock end
c)
first mounted with a certain axis of rotation worked, then remounted with the same axis of rotation
d)
fixed between the headstock and the tailstock
22.
The saddle and the apron form
a)
the turret lathe
b)
change box
c)
the carriage
d)
the compound rest
23.
Drilling tools are used
a)
to make squares in metal
b)
to make round holes in metal
c)
to produce circular internal profiles in a hole 
d)
to bring a piece of metal in contact with a rotating cutting
24.
Boring is
a)
cutting a round hole by means of a boring drill
b)
the process of producing circular internal profiles in a hole made by drilling
c)
machining a piece of metal by bringing it in contact with a rotating cutting tool
d)
classified as horizontal
25.
Milling consists of
a)
machining a piece of metal by bringing it in contact with a lathe boring
b)
machining a piece of metal by bringing it in contact with a lathe drilling
c)
machining a piece of metal by bringing it in contact with a glass working lathe
d)
machining a piece of metal by bringing it in contact with a rotating cutting tool that has several cutting edges
26.
Grinding involves
a)
shaping a piece of metal by drilling it
b)
shaping a piece of metal by bringing it in contact with  a rotating wheel 
c)
shaping a piece of metal by bringing it in contact with  abrasive materials
d)
shaping a piece of metal by bringing it in contact with  a milling machine
27.
Planers and shapers are
a)
grinding  tools used to complete, modify or finish metal or wood surfaces
b)
milling tools used to complete, modify or finish metal or wood surfaces
c)
drilling tools used to complete, modify or finish metal or wood surfaces
d)
cutting tools used to complete, modify or finish metal or wood surfaces
28.
Identify this tool
a)
Jacobs Chuck
b)
Face Mill
c)
End Mill
d)
Tap  Holder
29.
Identify this tool
a)
Jacobs Chuck
b)
Tail Stock
c)
Head Stock
d)
Tap  Holder
30.
Identify this tool
a)
Jacobs Chuck
b)
Center Drill
c)
Spring Center
d)
Live Center
31.

Which of the following is not the type of lathe chuck?

a)

combination chuck

b)

magnetic chuck

c)

air chuck

d)

none of the mentioned

32.

Three jaw chuck is reversible.

a)

true

b)

false

33.

Which type of chuck is used in places where duplicate work piece are to be machined?

a)

four jaw chuck

b)

three jaw chuck

c)

two jaw chuck

d)

combination chuck

34.

Parts of Lathe machine that function is to hold the whole machine at the static place is . . .

a)

leg

b)

headstock

c)

spindle

d)

tailstock

35.

Parts of lathe machine that function is basically used for clamping or holding the workpiece

a)

headstock

b)

chuck

c)

spindle

d)

tool post

36.

a place for collecting the chip or rest materials after machining is shown by number . . .

a)

1

b)

3

c)

4

d)

6

37.

which number is called as cross feed?

a)

3

b)

4

c)

5

d)

6

38.

Name if this machine

a)

CNC Lathe

b)

Speed Lathe Machine

c)

Turret Lathe Machine

d)

Special Purpose Lathe Machine

39.

1.To support the other end of the work when being machined.

2.To hold a tool for performing operations like drilling, reaming, tapping, etc.

Name the part of the lathe machine base on statement above

a)

Tailstock

b)

Headstock

c)

Carriage

d)

Spindal

40.

The following are materials used to make twist drills EXCEPT ______________.

a)

carbon steel

b)

stainless steel

c)

carbon steel

d)

tungsten carbide

41.

Which following type of drill press is used to drill very large pieces?

a)

Microdrill press

b)

Sensitive drill press

c)

Magnetic based drilling machine

d)

Radial arm drill press

42.

Drill flutes are used to

a)

Help form the cutting edge of the drill point

b)

Curl the chips for easier removal

c)

Form channels through which the chips can escape

d)

All of these

43.

Two types of twist drills are?

a)

Straight Shank, Taper Shank

b)

Taper Shank, Countersink

c)

Flat drill, Slocombe

d)

Centre drill, Countersink

44.

The point angle for a general purpose twist drill is ____.

a)

90 degrees

b)

118 degrees

c)

130 degrees

d)

140 degrees

45.

The chisel edge of the twist drill is used to ____________.

a)

Form the cutting edge.

b)

Provide the right angle

c)

Peirce through the metal being cut

d)

Give the drill strength

46.

The Machine Shown in Figure is

a)

Center Lathe Machine

b)

Upright Drilling Machine

c)

Radial Arm Drilling Machine

d)

Hand Drill

47.

Which part of the drill provides cutting edge?

a)

Flutes

b)

Body

c)

Shank

d)

Tang

48.

What is the unit of cutting speed?

a)

Micrometer per

minute

b)

Revolution per

minute

c)

Millimetre per minute

d)

Meters per minute

49.

machine is capable of drilling holes up to 12.5 mm diameter.

a)

Radial arm

b)

Pillar drilling

c)

sensitive bench drilling

d)

Multiple drilling

50.

Which machine component on the horizontal milling machine holds the cutting tool?

a)

spindle

b)

arbor

c)

tool holder prime

d)

quill

51.

What is the most common workholding device used on the mill?

a)

C clamp

b)

vise

c)

lockjaw

d)

all of the above

52.

Straddle milling operations utilize_____________________________________________?

a)

1 slab cutter on a horizontal mill to machine one surface.

b)

3 collet crew cutters on a horizontal mill to machine three parallel surfaces.

c)

2 milling cutters on a horizontal mill to machine two parallel surfaces.

d)

coping saw blades to round corners

53.

Milling machines:

a)

rotate a stationary workpiece against a dual-edged cutting tool

b)

slide a multi-point tool against a rotating workpiece

c)

rotate a dovetail tool through the wave

d)

rotate a multi-point tool against a workpiece

54.

The CNC stands for

a)

Computerized Numerical Control

b)

Computerized Note Control

c)

Controlled Numerical Computer

d)

Computerized Number Count

55.

In CNC machine tool, the part program entered into the computer memory

a)

can be used again but it has to be modified every time

b)

can be used again and again

c)

cannot say

d)

can be used only once

56.

A series of coded instructions required to produce a part in a CNC machine is known as

a)

C program

b)

part program

c)

part line

d)

end of block

57.

MCU in CNC stands for

a)

Manual Control Unit

b)

Mobile Control Unit

c)

Machine Control Unit

d)

None of these

58.

The function of MCU is

a)

to write the part program

b)

to read and decode the coded instructions

c)

to edit the part program

d)

to start the machine

59.

The code used in a part program to define incremental mode is

a)

G89

b)

G90

c)

G91

d)

G92

60.

The code used to define the absolute mode of a part program is

a)

G89

b)

G90

c)

G91

d)

G92

61.

G- codes are also known as

a)

German function

b)

Preparatory function

c)

Miscellaneous function

d)

None of these

62.

What is the percentage increase in tool life when the cutting speed is halved?

a)

50%

b)

100%

c)

300%

d)

400%

63.

draw single point cutting tool

64.

Drive mechanism consists of ________

a)

main drives

b)

the gear box

c)

quick return mechanism

d)

all of the mentioned

65.

Which of the following is an example of non cutting shaping process?

a)

turning

b)

forging

c)

drilling

d)

milling

66.

Which type of cutting tools have wide application on lathes?

a)

single point

b)

multi point

c)

both single point and multi point

d)

none of the mentioned

67.

In which type of operation, motion of cutting tool is rotary as well as translating?

a)

planning

b)

milling

c)

drilling

d)

turning

68.

In which operation, motion of job is rotary and motion of cutting tool is forward translating?

a)

turning

b)

planning

c)

milling

d)

all of the mentioned

69.

. Crater wear always starts at some distance from the tool tip because at that point

a)

Cutting fluid does not penetrate

b)

Chip tool interface temperature is maximum

c)

Normal stress on rake face is maximum

d)

Tool strength is minimum

70.

The code used for linear interpolation is

a)

G00

b)

G01

c)

G02

d)

G03

71.

Each direction of movement is considered as _______

a)

One degree of freedom

b)

6 degrees of freedom

c)

12 degrees of freedom

d)

None of these

72.

Each possible direction of moment of work in a jig or fixture is considered as__________

a)

Parallelism

b)

Perpendicularity

c)

Angularity

d)

Degrees of freedom

73.

V-block can arrest ____ degrees of freedom.

a)

5

b)

7

c)

9

d)

12

74.

In a Jig or Fixture, location must be related to the ____________ requirement.

a)

Finish

b)

Cost

c)

Dimensional

d)

None of these

75.

Location should be done on the ---------- surface of the work piece.

a)

Least accurate

b)

Most accurate

c)

any surface

d)

Imaginary

76.

cost per piece without a jig or fixture is denoted by

a)

K1

b)

K2

c)

T1

d)

T2

77.

Jig is normally heavier in construction

a)

True

b)

False

78.

A work piece can be positively arrested by means of 6 pins which is known as

a)

3-2-1 method of location

b)

9 point location

c)

8 point location

d)

5 point location

79.

Location of a cylinder is performed by which of these?

a)

Conical locator

b)

Cylindrical locator

c)

Vee locator

d)

Adjustable locator

80.

Which one of the below is fixed on a machine table

a)

Fixture

b)

Jig

c)

Locators

d)

Fool proofing elements

81.

Which one of the below machine tool guides the cutting tools to the work piece?

a)

Fixture

b)

Jig

c)

Tennon

d)

Locators

82.

Which one among the below machine tool does not guide the cutting tool to the work piece?

a)

Fixture

b)

Jig

c)

Tennon

d)

Locators

83.

__________ can be used for inspection and assembly.

a)

Fixture

b)

Jig

c)

Locators

d)

None of the above

84.

Which one among the below machine tool does not guide the cutting tool to the work piece?

a)

Fixture

b)

Jig

c)

Tennon

d)

Locators

85.

__________ can be used for inspection and assembly.

a)

Fixture

b)

Jig

c)

Locators

d)

None of the above

86.

Which of the following is not correct about fixture?

a)

It is used to hold the work

b)

It is used to position the work

c)

It is used to guide the cutting tool

d)

It assures high accuracy of parts

87.

In which of the following operation jigs are preferred over fixture?

a)

Drilling

b)

Turning

c)

Milling

d)

Grinding

88.

The use of jigs and fixtures

a)

Facilitates deployment of less skilled labor for production

b)

Eliminates pre-machining operations like marking, measuring, laying out etc.

c)

reduced manual handling operations

d)

All of the above

89.

The jigs and fixtures can be constructed through

a)

Casting

b)

Fabrication

c)

Welding

d)

All of the above

90.

Which of the following sentences are true for jigs and fixtures?

1. Using jigs and fixture produce work rapidly

2. High speed, feed and depth of cut can be used in machining with the help of jigs and fixtures

3. Jigs and fixture cannot be used in machining of complex and heavy components

a)

(1) and (2)

b)

(2) and (3)

c)

(1) and (3)

d)

(1), (2) and (3)

91.

Jigs and Fixtures are used for

a)

Mass production

b)

Identical parts production

c)

Both ‘A’ and ‘B’

d)

None of the above

92.

CNC machining is

a)

additive manufacturing.

b)

subtractive manufacturing.

93.

3D printing is

a)

additive manufacturing.

b)

subtractive manufacturing.

94.

When were the first CNC machines developed?

a)

1980/90s

b)

1940/50s

c)

1880s

d)

1950/60s

95.

G code tells a CAM machine?

a)

where to move the tool.

b)

to turn functions on and off.

96.

M code tells CAM machines?

a)

where to move the tool.

b)

to turn functions on and off.

97.

CAM was not possible before CAD software was invented.

a)

Ture

b)

False

98.

CAM software does?

a)

Allows designer and engineers to create 3D models of parts and products that they want to create.

b)

Converts and a CAD model into G and M code so that a CAM machine can make the design.

c)

Converts photographs into 3D CAD models for later development into finished parts or products.

99.

The three basic ways material is removed from a billet or stock in CNC machining are?

a)

Drills, extruders, and lasers.

b)

Drills, lathes, and milling machines.

c)

Drills, lathes, and lasers.

100.

Drills and mills work by?

a)

Rotating a tool/bit which comes into contact with material.

b)

Rotating material which comes into contact with a stationary cutter or tool.

101.

Lathes work by?

a)

Rotating a tool/bit which comes into contact with material.

b)

Rotating material which comes into contact with a stationary cutter or tool.

102.

CNC machines are?*

a)

Computerised numerical controlled machines used to create products or parts from solid blocks of material.

b)

Computerised numerical controlled machines used to create products or parts from liquid material.

c)

Computerised numerical controlled machines used to create products or parts from solid blocks of meat and metals.

d)

Computerised numerical controlled machines used to create products or parts from solid blocks of earth.

103.

State the basic axis in CNC Milling machine.

a)

V,W,X

b)

U,Y,Z

c)

X,Y,Z

d)

U,V,W

104.

How many axis do CNC milling machines generally operate on?

a)

1 or 2

b)

3 or 6

c)

2 or 3

d)

3 or 5

105.

for the CNC milling machine the G Code G90 mean

a)

Workpiece co-ordinate setting

b)

Absolute dimensioning system

c)

Feed rate programming in mm/min.

d)

Cutter radius compensation OFF

106.

Code that has a straight line / linear movement ( in a straight line)

a)

G01

b)

G02

c)

G03

d)

G00

107.

Which of these is a MILLING MACHINE?

a)
b)
c)
d)
108.

What is the name of this workshop machine?

a)

Fumes extractor

b)

Vacuum former

c)

CNC Milling machine

d)

CNC drill

e)

Painting booth

109.
In industry what is the most common method of milling a part?
a)
Conventional
b)
Climb
c)
Manual
d)
Additive
110.
Climb milling attempts to ______ itself through a cut
a)
Push
b)
Lubricate
c)
Pull
d)
Use X axis only
111.
When climb cutting material; the shape of the chip coming from the cutter is typically _______then becomes______.
a)
Hot to cold
b)
Thin to thick
c)
Thick to thin
d)
Narrow to wide
112.
Conventional cutting a part will produce a chip that will have a shape that starts_____and becomes ______.
a)
Normal to abnormal
b)
Thick to thin
c)
Thin to thick
d)
None of the above
113.
Conventional milling is typically performed on _______machines
a)
Power feed
b)
Manual
c)
CNC milling
d)
Machines without coolant
114.
When climb milling a part the chips are coming out of the ______-of the cutter.
a)
Back
b)
Forward
c)
Below
d)
Above
115.
If you are looking down on a vertical milling machine and the cutter is machining around the outside of a part in a counter clockwise manner you are ________cutting
a)
Conventional
b)
Climb
c)
Pocket
d)
None of the above
116.

Complete the following sentence


Machine tools are used....

a)

are now electrically driven

b)

to shape metals and other materials

c)

drilling using ultrasound, and cutting by means of a laser beam

d)

for cooling and lubrication

117.

Milling machine ....

a)

cuts flat metal surfaces

b)

changes the shape of a workpiece

c)

uses a twist drill to make holes

d)

enlarges and finishes a hole

118.

Choose the correct statement

a)

Shapers remove excessive material from parts

b)

Milling machines remove excessive material from parts

c)

Grinding machines remove excessive material from parts

d)

Drilling machines remove excessive material from parts

119.

......is the largest of the reciprocating machine tools

a)

the shaper

b)

the planer

c)

grinders

d)

the milling machine

120.

.....remove metal by a rotating abrasive wheel

a)

Grinders

b)

Drilling machines

c)

Milling machines

d)

Planers

121.

What is the difference between a NC and CNC machine?

a)

The way they are coded and memory

b)

how they are ran

c)

who owns them

d)

machinist that use them.

122.

Who was know as the father of the CNC machine?

a)

John Parson

b)

Eli Musk

c)

Steve Jobs

d)

Henry Ford

123.

A NC machine used what type of memory?

a)

RAM

b)

Punch cards

c)

G coding

d)

manual controls

124.

What type of coding does a CNC machine use?

a)

G and M codes

b)

Q codes

c)

Bar codes

d)

No codes

125.

What does NC stand for?

a)

Never mind

b)

Numerical Controls

c)

Number calculator

126.

the G Code G72 in CNC machines mean :

a)

Rapid positioning.

b)

Feed rate positioning.

c)

Contour turning cycle

d)

Finishing cycle

127.

the G Code G73 in CNC machines mean :

a)

Rapid positioning.

b)

Feed rate positioning.

c)

Contour turning cycle

d)

Finishing cycle

128.

the Miscellaneous Code M03 in CNC machines mean :

a)

Tool Position

b)

Spindle rotation clockwise

c)

End the program

d)

Coolant OFF

129.

the cutting tool shown in the figure is :

a)

Threading tool

b)

Recessing (Grooving) tool

c)

Drilling tool / twist drill

d)

Boring tool and bar

130.

the cutting tool shown in the figure is :

a)

Threading tool

b)

Recessing (Grooving) tool

c)

Drilling tool / twist drill

d)

Boring tool and bar

131.

If I have to make a series of holes on a metal plate, which machine should I use?

a)

CUTTING MACHINES

b)

DRILLING MACHINES

c)

MILLING MACHINES

132.
Turning is 
a)
a form of material removal process, which is used to create rotational parts by cutting away unanwanted material
b)
applied to internal surfaces
c)
a cutting process
d)
the use of abrasive material
133.
Grinding involves
a)
shaping a piece of metal by drilling it
b)
shaping a piece of metal by bringing it in contact with  a rotating wheel 
c)
shaping a piece of metal by bringing it in contact with  abrasive materials
d)
shaping a piece of metal by bringing it in contact with  a milling machine
134.
Remembering: What is the purpose of a coolant system in a CNC machine?
a)
To reduce heat produced during machining
b)
To increase the life of the cutting tool
c)
To enhance the accuracy of the machined surface
d)
To lubricate the machine components
135.
Remembering: What is the most common type of coolant used in CNC machines?
a)
Oil
b)
Water
c)
Gas
d)
Lubricating grease
136.
Remembering: What are the benefits of using coolant in a CNC machine?
a)
Improved surface finish, increased tool life, reduced heat generated
b)
Increased cutting speed, improved accuracy, reduced vibration
c)
Increased material removal rate, improved surface quality, reduced power consumption
d)
Increased tool life, improved machining accuracy, reduced friction

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