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Worksheetscnc 2 quiz
Total questions: 81
Worksheet time: 20hrs 15mins
Name
Class
Date
1.
Cobalt in HSS Provides .
a)
Hot hardness & form stability
b)
Keeness of the cutting edge
c)
More wear resistance
d)
All the above
2.
Tungsten in HSS provides .
a)
Hot hardness & form stability
b)
Keeness of the cutting edge
c)
More wear resistance
d)
All the above
3.
Basic Ingredient of carbide is .
a)
Titanium
b)
Tungsten
c)
Cobalt
d)
All the above
4.
Stellite is composed of Cobalt, Chromium &
.
a)
Titanium
b)
Molybdenum
c)
Tungsten
d)
Carbon
5.
The hardest cutting tool material is .
a)
Carbide
b)
Coated carbide
c)
Diamond
d)
Cermets
6.
APC stands for .
a)
Automatic Pallet Changer
b)
Automatic Program Changer
c)
Automatic Panel Control
d)
Automatic Power Control
7.
G96 code is used for .
a)
Constant RPM
b)
Constant surface speed
c)
Feed in mm/min
d)
Feed in mm/rev.
8.
G97 code is used for .
a)
Constant RPM
b)
Constant surface speed
c)
Feed in mm/min
d)
Feed in mm/rev.
9.
G94/G98 code is used for .
a)
Constant RPM
b)
Constant surface speed
c)
Feed in mm/min
d)
Feed in mm/rev.
10.
G95/G99 code is used for .
a)
Constant RPM
b)
Constant surface speed
c)
Feed in mm/min
d)
Feed in mm/rev.
11.
G50 code is used for .
a)
Minimum spindle speed
b)
Maximum spindle speed
c)
Inch input
d)
Metric input
12.
PVD stands for .
a)
Physical Vapor Deposition
b)
Polar Vertical Drilling
c)
Power Verification Diagram
d)
None
13.
Ceramics tool made of .
a)
Tungsten
b)
Stellite
c)
Aluminum oxide
d)
Cobalt
14.
CVD stands for .
a)
Computer Verification Data
b)
Chemical Vapor Deposition
c)
Chemical Vapor Discharge
d)
None
15.
G16 code is used for
a)
XY Plane Selection
b)
Programmabl e data input
c)
Exact Stop
d)
Polar Co Ordinate command On
16.
The function of G 49 Code is .
a)
Scaling cancel
b)
Scaling
c)
Tool Length compensation cancel
d)
Macro Call
17.
G83 Cycle is used for .
a)
Tapping
b)
Boring
c)
Drilling
d)
Peck Drilling
18.
G81 Cycle is used for .
a)
Tapping
b)
Spot Drilling
c)
Boring
d)
Peck Drilling
19.
G18 Code is for .
a)
XY Plane Selection
b)
YZ Plane Selection
c)
ZX Plane Selection
d)
XYZ Plane Selection
20.
G19 Command is for .
a)
XY Plane Selection
b)
YZ Plane Selection
c)
ZX Plane Selection
d)
XYZ Plane Selection
21.
G17 Command is for .
a)
XY Plane Selection
b)
YZ Plane Selection
c)
ZX Plane Selection
d)
XYZ Plane Selection
22.
G04 command is used for
a)
Exact stop, Dwell
b)
Spindle Stop
c)
Spindle ON
d)
None
23.
G21 Stands for .
a)
Input in Metric
b)
Input in Inch
c)
Input in Polar Co ordinate
d)
None
24.
G20 Stands for .
a)
Input in Metric
b)
Input in Inch
c)
Input in Polar Co ordinate
d)
None
25.
D and H terms are used as parameters of
a)
Canned Cycle
b)
Dwell Time
c)
Offset numbers
d)
None
26.
P and X terms are used as parameters of
.
a)
Canned Cycle
b)
Dwell Time
c)
Offset numbers
d)
None
27.
is a skip function symbol.
a)
*
b)
/
c)
#
d)
≈
28.
Rotary axis rotation along X axis is specified by
.
a)
D
b)
C
c)
B
d)
A
29.
MPG stands for .
a)
Manual Power
Generator
b)
Manual Pulse Generator
c)
Machine Pulse Generator
d)
Manual Program Generator
30.
JOG mode in control panel is used for
.
a)
To start the cycle
b)
To edit the part program
c)
To check the part program
d)
To move the axis manually
31.
The command G44 is used for
a)
CRC Left
b)
CRC Right
c)
Tool length Compensation
+ve Direction
d)
Tool Length Compensatio n -ve
Direction
32.
M07 code denotes
a)
Coolant through tool
ON
b)
Coolant ON
c)
Coolant Off
d)
Axis Clamp
33.
The command G43 is used for
a)
CRC Left
b)
CRC Right
c)
Tool length Compensation
+ve Direction
d)
Tool Length Compensatio n -ve
Direction
34.
M09 code denotes
a)
Coolant through tool
ON
b)
Coolant ON
c)
Coolant Off
d)
Axis Clamp
35.
In Polar Co ordinate system Y specifies
.
a)
Angle inclined
b)
Distance
c)
Radius
d)
None
36.
The term D denotes offset number.
a)
CRC
b)
Tool length offset number
c)
Wear parameter
d)
None
37.
In this block G00 X 100.0 Y 20.0, G represents
.
a)
Block
b)
Word
c)
Address
d)
Data
38.
In this block G00 X 100.0 , 100 represents
.
a)
Block
b)
Word
c)
Address
d)
Data
39.
In this block G00 X 100.0 Y 20.0, G00 represents .
a)
Block
b)
Word
c)
Address
d)
Data
40.
Which of the following code is sub program call ?
a)
M98
b)
M99
c)
G98
d)
G99
41.
Cutting speed is usually expressed in
.
a)
m /min
b)
r.p.m
c)
rev / min
d)
None
42.
M03 S 2000, in this block S indicates .
a)
Cutting Speed
b)
Spindle Speed
c)
Feed rate
d)
None
43.
G15 command is used for .
a)
Skip function
b)
Polar Co ordinate command
cancel
c)
Polar co ordinate command
d)
Thread Cutting
44.
G85 canned cycle is for .
a)
Peck Drilling
b)
Tapping
c)
Reaming
d)
None
45.
G84 canned cycle is for .
a)
Peck Drilling
b)
Tapping
c)
Reaming
d)
None
46.
In CNC lathe G71 canned cycle is used for
.
a)
Facing
b)
Rough turning
c)
Finishing
d)
Drilling
47.
In CNC lathe G72 canned cycle is used for
.
a)
Facing
b)
Rough turning
c)
Finishing
d)
Drilling
48.
In CNC lathe G70 canned cycle is used for
.
a)
Facing
b)
Rough turning
c)
Finishing
d)
Drilling
49.
In CNC lathe G74 canned cycle is used for
.
a)
Boring
b)
Threading
c)
Drilling
d)
Grooving
50.
In CNC lathe G75 canned cycle is used for
.
a)
Boring
b)
Threading
c)
Drilling
d)
Grooving
51.
In CNC lathe G76 canned cycle is used for
.
a)
Boring
b)
Threading
c)
Drilling
d)
Grooving
52.
M01 command is used for .
a)
Compulsory stop
b)
End of program
c)
Optional stop
d)
Spindle stop
53.
M02 command is used for .
a)
Compulsory stop
b)
End of program
c)
Optional stop
d)
Spindle stop
54.
M00 command is used for .
a)
Compulsory stop
b)
End of program
c)
Optional stop
d)
Spindle stop
55.
Which of the following code is sub program end ?
a)
M98
b)
M99
c)
G98
d)
G99
56.
Which of the following code is Spindle orientation ?
a)
M06
b)
M19
c)
M20
d)
M05
57.
Two functional axes of CNC lathe are and
a)
X and Y
b)
X and Z
c)
Y and Z
d)
A and B
58.
function is used to check a program quickly without actually cutting parts
a)
Jog
b)
MDI
c)
Dry Run
d)
MPG
59.
What is the functions of Coolants?
a)
Reducing and removing the heat build-up in the cutting zone and workpiece
b)
Provides lubrication to reduce friction between the tool and removal of the chips
c)
Flushes away chips and small abrasive particles from the work area
d)
All the above
60.
ISO 'P" standard inserts recommended for
.
a)
Cast iron
b)
Steel
c)
Non-ferrous material
d)
Hardened material
61.
ISO 'K" standard iinserts recommended for
.
a)
Cast iron
b)
Steel
c)
Non-ferrous material
d)
Hardened material
62.
ISO 'N" standard inserts recommended for
.
a)
Cast iron
b)
Steel
c)
Non-ferrous material
d)
Hardened material
63.
ISO 'H" standard inserts recommended for
.
a)
Cast iron
b)
Steel
c)
Non-ferrous material
d)
Hardened material
64.
ISO 'M" standard inserts recommended for
.
a)
Heat resistant super alloys
b)
Hardened material
c)
Stainless steel
d)
Non-ferrous material
65.
ISO 'S" standard inserts recommended for
.
a)
Heat resistant super alloys
b)
Hardened material
c)
Stainless steel
d)
Non-ferrous material
66.
In TNMG 22 04 08 inserts, letter "T" indicates
a)
Insert shape
b)
Insert clearance angle
c)
Tolerance
d)
Insert type
67.
In TNMG 22 04 08 inserts, letter "M" indicates
a)
Insert shape
b)
Insert clearance angle
c)
Tolerance
d)
Insert type
68.
In TNMG 22 04 08 inserts, letter "N" indicates
a)
Insert shape
b)
Insert clearance angle
c)
Tolerance
d)
Insert type
69.
In TNMG 22 04 08 inserts, letter "G" indicates
a)
Insert shape
b)
Insert clearance angle
c)
Tolerance
d)
Insert type
70.
In TNMG 22 04 08 inserts, number "08" indicates
a)
Cutting edge length
b)
Insert width
c)
Insert thickness
d)
nose radius
71.
In TNMG 22 04 08 inserts, number "22" indicates
a)
Cutting edge length
b)
Insert width
c)
Insert thickness
d)
Nose radius
72.
In TNMG 22 04 08 inserts, number "04" indicates
a)
Cutting edge length
b)
Insert width
c)
Insert thickness
d)
Nose radius
73.
In PCLNR 16 16 H 09 tool holder, letter "P" indicates
a)
Clamping system
b)
Insert shape
c)
Holder style
d)
Insert clearance angle
74.
In PCLNR 16 16 H 09 tool holder, letter "C" indicates
a)
Hand of tool
b)
Insert shape
c)
Holder style
d)
Insert clearance angle
75.
In PCLNR 16 16 H 09 tool holder, letter "L" indicates
a)
Hand of tool
b)
Insert shape
c)
Holder style
d)
Insert clearance angle
76.
In PCLNR 16 16 H 09 tool holder, letter "N" indicates
a)
Hand of tool
b)
Insert shape
c)
Holder style
d)
Insert clearance angle
77.
In PCLNR 16 16 H 09 tool holder, letter "R" indicates
a)
Hand of tool
b)
Insert shape
c)
Holder style
d)
Insert clearance angle
78.
In PCLNR 16 16 H 09 tool holder, first number "16" indicates
a)
Shank height
b)
Shank width
c)
Tool lenth
d)
Cutting edge length
79.
In PCLNR 16 16 H 09 tool holder, second number "16" indicates
a)
Shank height
b)
Shank width
c)
Tool lenth
d)
Cutting edge length
80.
In PCLNR 16 16 H 09 tool holder, letter "H" indicates
a)
Shank height
b)
Shank width
c)
Tool lenth
d)
Cutting edge length
81.
In PCLNR 16 16 H 09 tool holder, number "09" indicates
a)
Shank height
b)
Shank width
c)
Tool lenth
d)
Cutting edge length
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