WorksheetsCNCP Lab Quiz
Total questions: 20
Worksheet time: 30mins
What is the full form of CNC?
Computer numerical control
Computer number control
Computer network control
Computer numbers count
Which of the following is responsible to control the processes in numerical controlled machines?
Symbols and letters
Letters and numbers
Numbers and symbols
Numbers, symbols and letters
What is the first step to stop a CNC machine of an accident happen while working?
Switch of regulator
Press emergency switch
Reset machine
Reset regulator
What is G03?
Linear Interpolation
CW Circular interpolation
CCW Circular interpolation
Dwell time
Which describes machine tool movement in CNC?
G-code
M-code
T-code
S-code
What is M08 represent in CNC Program?
Coolant on
Coolant off
Specific direction
Spindle stop
What should be the safety precaution for holding the workpiece to the lathe chuck?
Cleaned
Measured
Clamped securely
Polished
Which common word address is used to miscellaneous functions in CNC lathe?
N
G
S
M
Which M-code is defined and implement to spindle stop?
M05
M08
M11
M18
Which is the program for simple turning operation for the length of -30mm?
N010 G01 Y-2.5
N008 G00 X-30
N020 G01 Z-30
N011 G01 X-30 Z-30
Which of the following code will give linear interpolation movement?
G00
G01
G78
G65
Which one of the following is the command for feed motion in straight line?
G00
G01
G10
G100
Which one of the following is not the advantage of the CNC machine?
Reduce inspection time
Reduces tooling time
Higher rate of production
Higher initial cost
Feed is measured in units of __________.
length/revolution
degree/revolution
length
degree
_______of motion is always the axis of the main spindle of the machine.
Z-axis
Y-axis
X-axis
none of the mentioned
G-codes are also known as
preparatory codes
spindle speed codes
tool selection codes
miscellaneous codes
Which of the following code will give rapid linear movement?
G00
G01
G02
G94
Which of the following code will change specified input values in millimetres?
G00
G01
G20
G21
Which of the following code is used in programming in absolute coordinates?
G90
G32
G92
G01
Which of the following code is used to specify feed per revolution in turning?
G99
G98
G78
G45
