Quiz Questions

ITI Quiz - 02-Mar-2026 01:41 PM (ITISKILL1797M0)

Q-Paper A-Paper
Question 1 1 Marks
Which mode is used to edit the program?
A
Jog mode
B
Edit mode
C
MDI mode
D
Auto mode
Question 2 1 Marks
What is the purpose of MDI mode?
A
For program execution
B
Move the axes by manually
C
Cross checking of the program graphically
D
Editing of programmable Data
Question 3 1 Marks
Which mode the program will be executed
continuously one block after another block?
A
Jog mode
B
Auto mode
C
Edit mode
D
Manual mode
Question 4 1 Marks
Which axis is parallel to Z - axis?
A
X - axis
B
Spindle axis
C
Tool axis
D
Y-axis
Question 5 1 Marks
How the part programming mistakes can be avoided?
A
NC (Numerical control) machine only
B
CNC (Computer numerical control) machine only
C
Both NC and CNC machine
D
Cannot be avoided in CNC machine
Question 6 1 Marks
Which one of the program block may suitable to
move the cutting tool 'x' axis 42.0 'z' axis 0.0 with the
feed of 0.1 mm?
A
G00 x 42.0 z 0.0 F 0.1;
B
G02 x 42.0 z 0.0 F 0.1;
C
G01 x 42.0 z 0.0 F 0.1;
D
G03 x 42.0 z 0.0 F 0.1;
Question 7 1 Marks
Which mode, the cutting tool returns back to its home
position?
A
Automatic mode
B
MDI mode
C
Jog mode
D
Reference mode
Question 8 1 Marks
What do you mean by simulation?
A
Cross checking of programmable DATA
B
Finding out of work offset values
C
Finding out of tool geometrical values
D
Editing of related part program
Question 9 1 Marks
Which one of the following CNC control systems are used on CNC machines?
A
Siemens and FANUC
B
Adobe reader and Microsoft
C
Excel and MS power point
D
MS office only
Question 10 1 Marks
In Which mode we can input the program command
manually?
A
Auto mode
B
Jog mode
C
MDI mode
D
Edit mode
Question 11 1 Marks
Which one of the following code is suitable for spindle rotation in clock wise direction?
A
G02
B
M03
C
G03
D
M04
Question 12 1 Marks
Which mode is used for moving the turret in X and Z
direction?
A
Jog mode
B
Edit mode
C
Auto mode
D
MDI mode
Question 13 1 Marks
Which code suitable for circular interpolation counter
clockwise direction?
A
G01
B
G02
C
G03
D
G04
Question 14 1 Marks
Which mode is used to move the turret in micron
level?
A
Auto mode
B
Jog mode
C
MDI mode
D
Incremental jog mode
Question 15 1 Marks
What is the use of Goo activates the command?
A
Linear interpolation
B
Rapid traverse
C
Tool returns from reference point
D
Return to reference point
Question 16 1 Marks
Which one of the code is used to rewind the
program?
A
M38
B
M30
C
M39
D
M40
Question 17 1 Marks
Which mode execute thet program continuosly one
block after another block?
A
Jog mode
B
Edit mode
C
MPG mode
D
Auto mode
Question 18 1 Marks
Which code is suitable for tool nose radius
compensation at right side?
A
G50
B
G42
C
G40
D
G41
Question 19 1 Marks
What is the indication of 'z' axis in CNC lathe
machine?
A
The length of the component
B
The centre axis of the component
C
The radius of the component
D
The diameter of the component
Question 20 1 Marks
Which one of the following code is used for tool nose
compansation at left side?
A
G40
B
G41
C
G42
D
G32
Question 21 1 Marks
How the complex cutting motion involving X,Y and Z moments is carried out by CNC machining?
A
Use of jigs, cams, templates and tracers
B
Skill of machine operator
C
Combinations of co ordinates obtained from drives along the axis
D
Based on electrical power supply of the machine
Question 22 1 Marks
Which command activates in automatic mode?
A
Work offset settings are taken
B
Tool changes automatically
C
Program executed
D
Program simulation
Question 23 1 Marks
Encodor is used in CNC machine tool to sense and
control?
A
Spindle speed
B
Spindle position
C
Table position
D
Work position
Question 24 1 Marks
Which one of the following is possible in edit mode?
A
Can read only the program
B
Simulation of the program
C
Execute the program
D
Preparation of new programmable Data and correction / Alteration of an earlier program
Question 25 1 Marks
The CNC keyboards have with following keys?
A
Alphabetic control keys
B
Alphanumerical control keys electronic
C
CNC codes
D
Numerical Data based keys only
Question 26 1 Marks
Which one of the following command the G02 code
indicates?
A
Linear interpolation
B
Circular interpolation clockwise direction
C
Circular interpolation counter clockwise direction
D
Cross sectional interpolation
Question 27 1 Marks
Which code is suitable for multiple turning cycle in
FANUC CNC control system?
A
G71
B
G92
C
G96
D
G94
Question 28 1 Marks
Which one of the following M-code is suitable for
coolant pump ON?
A
M10
B
M11
C
M09
D
M08
Question 29 1 Marks
Which is the advantage of CNC machine over
conventional machines?
A
High cutting speed
B
Feed back control
C
High feed
D
Mass production
Question 30 1 Marks
Which one of the following code is suitable for rapid
traverse?
A
G00
B
G02
C
G03
D
G04
Question 31 1 Marks
Which mode is used for five positioning (Micron level)
of the axis movement?
A
Auto mode
B
Incremental Jog mode
C
MDI mode
D
Edit mode
Question 32 1 Marks
Which is the operation in point to point system used?
A
Drilling
B
Parting
C
Grooving
D
Facing
Question 33 1 Marks
Which of the following feed back devices can sense
both speed and position?
A
Resolver
B
Tachometer
C
Encoder
D
Motor
Question 34 1 Marks
What is the purpose of G28 code based on FANUC
CNC control system?
A
Tool has return to reference point
B
Tool has to return from reference point
C
Circular interpolation clockwise
D
Circular interpolation counter clockwise
Question 35 1 Marks
Which one of the following code used to switch off
the coolant pump?
A
M07
B
M08
C
M09
D
M30
Question 36 1 Marks
How many ways CNC machine tool systems can be
classified?
A
2
B
3
C
4
D
5
Question 37 1 Marks
Which of the following is not advantage of CNC
machine?
A
Higher flexibility
B
Improved quality
C
Reduced scrap rate
D
Improved strength of the components
Question 38 1 Marks
Why in CNC machine tool, the part program entered
in edit mode is stored into the computer memory?
A
Can be used only once
B
Can be used again and again
C
Can be used again but it has to be modified every time
D
Cannot say
Question 39 1 Marks
Which point in any CNC machine the position measuring systems has a starting point to each axis?
A
Work zero
B
Tool geometrical value
C
Machine zero
D
Reference mode
Question 40 1 Marks
What is the use of CNC code of M05 to develop the command?
A
The spindle rotation has to stop
B
The cutting tool has to be changed
C
Tool returns from reference point to work place
D
Rewind the program once again
Question 41 1 Marks
Which M code is used to activate coolant pump in
CNC machine?
A
M01
B
M06
C
M08
D
M09
Question 42 1 Marks
Which one of the following M-code is suitable for
chuck close?
A
M09
B
M11
C
M10
D
M13
Question 43 1 Marks
What is the full form of MDI?
A
Mechanical Data Implantation
B
Manually Data Input
C
Moderated Data input
D
Mounting of Diagonal Impact
Question 44 1 Marks
What is the indication of 'x' axis in CNC lathe
machine?
A
The radius of the component
B
The length of the component
C
The diameter of the component
D
Centre axis of the component
Question 45 1 Marks
What is the activity of code M06 based on FANUC
CNC control system?
A
End of the program with rewind
B
Spindle rotation in counter clockwise direction
C
The cutting tool has to be changed
D
Switch of the coolant pump
Question 46 1 Marks
Which mode is used while loading / unloading the
work piece in CNC machine?
A
Simulation mode
B
Automatic mode
C
Jog mode
D
Edit mode
Question 47 1 Marks
Which G-code is suitable for thread cutting?
A
G30
B
G32
C
G34
D
G01
Question 48 1 Marks
What do you mean by MPG?
A
Manual Program Graphics
B
Manually Pulse Generator
C
Manual Procedure to Calculate Geometrical Values
D
Manually Procure the Digital Graphics
Question 49 1 Marks
A CNC machine tool has a continuous part control
both linear and circular along x,y,z and control of
table rotation about x axis and z axis, so the machine
should be called?
A
2C, L
B
3L,2C
C
5C
D
2L, 2C
Question 50 1 Marks
Which G-code is suitable for data input in mm?
A
G21
B
G27
C
G20
D
G28