Before using a tool for a critical measurement, the tool may be required to be__________.
a)Tempered
b)Calibrated
c)Certified
d)Signed off
Calibrated
Which measurement tool should be selected to measure a part with a lengthspecification of 2.125 +/- 0.006 inches?
a)Protractor
b)Gauge block
c)Caliper
d)6-inch rule
Caliper
A micrometer measures length to an accuracy of __________.
a)0.1 inch
b)0.01 inch
c)0.0001 inch
d)0.001 inch
0.0001 inch
Which of the following does the programmer define as the origin ofmeasurements on the workpiece?
a)Part zero point
b)Machine zero home
c)Tool reference point
d)Work offset
Part zero point
M-codes are NOT __________.
a)Miscellaneous machine commands
b)Typically used to turn machine functions on and off
c)Codes that can alter the sequence in which the blocks are executed within the part program
d)Used to set the mode of operation
Used to set the mode of operation
Calibration means to __________.
a)Create an SPC file
b)Set an instrument to zero
c)Adjust a control chart
d)Adjust a device to a standard
Adjust a device to a standard
Calibration of measuring instruments is important because it ensures that theinstrument is __________.
a)Working
b)Properly installed
c)Safely installed
d)
Calibration of measuring instruments is important because it ensures that theinstrument is __________.
a)Working
b)Properly installed
c)Safely installed
d)Accurate
Accurate
On a horizontal number line, positive numbers are to the __________ of zero.
a)Left
b)Right
c)Top
d)Bottom
Right
The distance along each axis from the machine zero home position to theprogrammed reference point is known as the __________.
a)Tool offset
b)Axis origin
c)Tool wear offset
d)Work offset
Work offset
What portion of the part program follows the toolpath blocks?
a)Startup block
b)Program safety block
c)End block
d)Program number
End block
Company standards determine how often __________ is performed.
a)A lockout/ tagout
b)Calibration of hand tools
c)An OSHA inspection
d)Calibration of surface finish gages
Calibration of surface finish gages
What should be done every time before taking a measurement with dial calipers?
a)Reset the display
b)Have the calipers certified
c)Check the calibration
d)Nothing needs to be done
Check the calibration
Which micrometer scale is printed vertically around the left edge of thethimble?
a)Sleeve
b)Vernier
c)Zero
d)Thimble
Thimble
Sets of values used to determine the location of the tool tip relative to the programmed reference point are known as __________.
a)Orders
b)Offsets
c)Scalars
d)Magnitudes
Offsets
Before running a CNC program the operator should __________.
a)Execute the toolpath block
b)Home the axes
c)Check coolant level
d)Remove the tool from the spindle
Home the axes
Precision measuring equipment that has been mishandled should be__________.
a)Used anyway
b)Sent out for recalibration immediately
c)Checked against a gauge blockor known good tool for accuracy before using
d)Discarded
Checked against a gauge blockor known good tool for accuracy before using
What is the total caliper measurement equal to?
a)Scale reading + dial reading
b)Scale reading - dial reading
c)Scale reading × dial reading
d)Scale reading / dial reading
Scale reading + dial reading
The Cartesian coordinate system is __________.
a)A program for designing parts
b)A mathematical grid that identifies points on a plane or in space
c)A computer that controls machine movements
d)The method used for tool changing
A mathematical grid that identifies points on a plane or in space
Manual data input, computer-aided manufacturing, and conversational are all__________.
a)Machine types
b)Programming methods
c)CNC components
d)G-codes
Programming methods
Which of the following is NOT included in the start blocks?
a)Start of program symbol
b)Machining operations
c)Program number
d)Program comment
Machining operations
Technicians use instrument reliability to determine __________.
a)How many instruments to use tomeasure a signal
b)Calibration intervals
c)Sampling plans
d)SPC lot size
Calibration intervals
SPC data can be collected and transferred to a PC from what device?
a)A mouse
b)A digital caliper
c)A printer
d)A disk drive
A digital caliper
What device is used to test a micrometer's calibration?
a)Gauge blocks
b)Calibrator
c)Test part
d)Reference part
Gauge blocks
G-codes are __________.
a)Miscellaneous commands
b)Spindle commands
c)Preparatory commands
d)Coolant commands
Preparatory commands
CNC program moves are contained in the __________ block.
a)Start
b)End
c)Toolpath
d)Run
Toolpath