MSSC 3 | Exam Revision Questions And Correct Answers | Graded A+ | 2025
Update |
G-codes are __________.
- Miscellaneous commands
- Spindle commands
- Preparatory commands
- Coolant commands -✔✔- Preparatory commands
Which of the following is NOT included in the start blocks?
- Start of program symbol
- Machining operations
- Program number
- Program comment -✔✔- Machining operations
Manual data input, computer-aided manufacturing, and conversational are all __________.
- Machine types
- Programming methods
- CNC components
- G-codes -✔✔- Programming methods
M-codes are NOT __________.
- Miscellaneous machine commands
- Typically used to turn machine functions on and off
- Codes that can alter the sequence in which the blocks are executed within the part program
- Used to set the mode of operation -✔✔- Used to set the mode of operation
Before running a CNC program the operator should __________.
- Execute the toolpath block
- Home the axes
- Check coolant level
,- Remove the tool from the spindle -✔✔- Home the axes
What is a series of numbered instructions that control the machine's movements and functions to
create a part?
- CNC system
- CNC part program
- CNC part drawing
- G-code -✔✔- CNC part program
G-codes are modal, meaning they __________.
- Must be reinitiated in every block
- Remain active until cancelled by another G code
- Execute only on the block where programmed
- Execute until the tool is at a new position -✔✔- Remain active until cancelled by another G code
What portion of the part program follows the toolpath blocks?
- Startup block
- Program safety block
- End block
- Program number -✔✔- End block
CNC program moves are contained in the __________ block.
- Start
- End
- Toolpath
- RUN -✔✔- Toolpath
In basic CNC program development, which part do most programmers write first?
- Start block
- Toolpath block
- End block
- Other functions -✔✔- Toolpath block
Fluid levels should be checked when __________.
, - A new machine is received at a loading dock
- Machine start-up is performed
- A repair part is received for a machine
- Operators are at a training session -✔✔- Machine start-up is performed
Which of the following is typically included on a start-up checklist for mechanical equipment?
- Maintenance record for equipment
- Oil and fluid levels
- Expected yearly production rates
- List of eligible operators -✔✔- Oil and fluid levels
The procedure performed to prepare a machine for its production role is called what?
- Machine teardown
- Machine maintenance
- Machine repair
- Machine setup -✔✔- Machine setup
__________ is the ability of a system or device to produce the same outcome in unchanged
conditions.
- Consistency
- Repeatability
- Ready-to-start
- In-control -✔✔- Repeatability
__________ must be set up properly to ensure that process requirements and product specifications
are met.
- Production equipment
- Vacation schedules
- Maintenance agreements
- Warranties -✔✔- Production equipment
To ensure that specifications are accurately met, manufacturing companies often produce a
__________ before beginning production.
Update |
G-codes are __________.
- Miscellaneous commands
- Spindle commands
- Preparatory commands
- Coolant commands -✔✔- Preparatory commands
Which of the following is NOT included in the start blocks?
- Start of program symbol
- Machining operations
- Program number
- Program comment -✔✔- Machining operations
Manual data input, computer-aided manufacturing, and conversational are all __________.
- Machine types
- Programming methods
- CNC components
- G-codes -✔✔- Programming methods
M-codes are NOT __________.
- Miscellaneous machine commands
- Typically used to turn machine functions on and off
- Codes that can alter the sequence in which the blocks are executed within the part program
- Used to set the mode of operation -✔✔- Used to set the mode of operation
Before running a CNC program the operator should __________.
- Execute the toolpath block
- Home the axes
- Check coolant level
,- Remove the tool from the spindle -✔✔- Home the axes
What is a series of numbered instructions that control the machine's movements and functions to
create a part?
- CNC system
- CNC part program
- CNC part drawing
- G-code -✔✔- CNC part program
G-codes are modal, meaning they __________.
- Must be reinitiated in every block
- Remain active until cancelled by another G code
- Execute only on the block where programmed
- Execute until the tool is at a new position -✔✔- Remain active until cancelled by another G code
What portion of the part program follows the toolpath blocks?
- Startup block
- Program safety block
- End block
- Program number -✔✔- End block
CNC program moves are contained in the __________ block.
- Start
- End
- Toolpath
- RUN -✔✔- Toolpath
In basic CNC program development, which part do most programmers write first?
- Start block
- Toolpath block
- End block
- Other functions -✔✔- Toolpath block
Fluid levels should be checked when __________.
, - A new machine is received at a loading dock
- Machine start-up is performed
- A repair part is received for a machine
- Operators are at a training session -✔✔- Machine start-up is performed
Which of the following is typically included on a start-up checklist for mechanical equipment?
- Maintenance record for equipment
- Oil and fluid levels
- Expected yearly production rates
- List of eligible operators -✔✔- Oil and fluid levels
The procedure performed to prepare a machine for its production role is called what?
- Machine teardown
- Machine maintenance
- Machine repair
- Machine setup -✔✔- Machine setup
__________ is the ability of a system or device to produce the same outcome in unchanged
conditions.
- Consistency
- Repeatability
- Ready-to-start
- In-control -✔✔- Repeatability
__________ must be set up properly to ensure that process requirements and product specifications
are met.
- Production equipment
- Vacation schedules
- Maintenance agreements
- Warranties -✔✔- Production equipment
To ensure that specifications are accurately met, manufacturing companies often produce a
__________ before beginning production.
