and CORRECT Answers
Calipers measure length to an accuracy of __________.
- 0.1 inches
- 0.01 inches
- 0.001 inches
- 0.0001 inches - CORRECT ANSWER - - 0.001 inches
What should be done every time before taking a measurement with dial calipers?
- Reset the display
- Have the calipers certified
- Check the calibration
- Nothing needs to be done - CORRECT ANSWER - - Check the calibration
Which measurement tool should be selected to measure a part with a length specification of
2.125 +/- 0.006 inches?
- Protractor
- Gauge block
- Caliper
- 6-inch rule - CORRECT ANSWER - - Caliper
What is the total caliper measurement equal to?
- Scale reading + dial reading
- Scale reading - dial reading
- Scale reading × dial reading
- Scale reading / dial reading - CORRECT ANSWER - - Scale reading + dial reading
,To ensure accuracy, __________ are calibrated on a regular basis.
- Conveyors
- Power tools
- Inspection tools
- Programmable controllers - CORRECT ANSWER - - Inspection tools
SPC data can be collected and transferred to a PC from what device?
- A mouse
- A digital caliper
- A printer
- A disk drive - CORRECT ANSWER - - A digital caliper
Which of the following lists the proper digital caliper calibration steps in order?
- Turn on the caliper display, close the jaws, press the zero button
- Close the jaws, turn on the caliper display, press the zero button
- Press the zero button, turn on the caliper display, close the jaws
- Turn on the caliper display, press the zero button, close the jaws - CORRECT
ANSWER - - Turn on the caliper display, close the jaws, press the zero button
Calibration of measuring instruments is important because it ensures that the instrument is
__________.
- Working
- Properly installed
- Safely installed
- Accurate - CORRECT ANSWER - - Accurate
Precision measuring equipment that has been mishandled should be __________.
- Used anyway
, - Sent out for recalibration immediately
- Checked against a gauge block or known good tool for accuracy before using
- Discarded - CORRECT ANSWER - - Checked against a gauge block or known good tool
for accuracy before using
What is the basic measuring device on a dial caliper?
- Dial
- Jaws
- Thumb screw
- Rule - CORRECT ANSWER - - Rule
Dial calipers are the most widely used precision measuring instrument on the shop floor for all of
the reasons below, EXCEPT __________.
- They are easy to carry
- They take measurements quickly
- They are reasonably accurate
- They are unbreakable - CORRECT ANSWER - - They are unbreakable
Technicians use instrument reliability to determine __________.
- How many instruments to use to measure a signal
- Calibration intervals
- Sampling plans
- SPC lot size - CORRECT ANSWER - - Calibration intervals
Calibration means to __________.
- Create an SPC file
- Set an instrument to zero
- Adjust a control chart