MECHATRONICS UPDATED EXAM STUDY GUIDE
QUESTIONS AND SOLUTIONS RATED A+
✔✔What do the markings on a standard ruler represent? - ✔✔Fractions of an inch.
✔✔What does the longest line on a standard ruler represent? - ✔✔A whole inch.
✔✔How do you read a measurement on a standard ruler? - ✔✔Align the object with the
zero mark and look for the line that aligns with the other edge.
✔✔What do the numbers on a standard ruler indicate? - ✔✔Whole inches.
✔✔What should you do to ensure a socket or adapter fits securely? - ✔✔Make sure it
fits snugly onto the bolt or nut.
✔✔What is the purpose of a torque tester? - ✔✔To double-check the torque of a bolt or
nut.
✔✔What should you avoid exposing a torque wrench to? - ✔✔Moisture or chemicals.
✔✔What is the purpose of applying torque? - ✔✔To tighten a bolt or nut.
✔✔What is the purpose of converting measurements on rulers? - ✔✔To switch between
standard and metric units.
✔✔What is the first step in reading measurements on a standard ruler? - ✔✔Identify the
markings.
✔✔What do the shorter lines on a standard ruler represent? - ✔✔Fractions of an inch.
✔✔How can you estimate the fraction of an inch on a standard ruler? - ✔✔By looking at
the next shortest line.
✔✔How do you convert inches to fractions on a standard ruler? - ✔✔Find the line that
represents inches and estimate the fraction.
✔✔How do you convert fractions to decimals on a standard ruler? - ✔✔Divide the
fraction by the denominator and add to the whole number.
✔✔What are the markings on a metric ruler? - ✔✔Millimeters and centimeters.
✔✔How do you read a measurement on a metric ruler? - ✔✔Align object with zero mark
and look for line that aligns with other edge.
, ✔✔How do you convert millimeters to centimeters on a metric ruler? - ✔✔Divide by 10.
✔✔How do you convert centimeters to millimeters on a metric ruler? - ✔✔Multiply by 10.
✔✔Why is it important to take safety precautions when diagnosing electrical
components? - ✔✔To avoid injury or damage to equipment.
✔✔What are some steps to safely diagnose electrical components? - ✔✔Turn off
power, inspect for damage, use a multimeter, test for continuity, test for voltage, check
the wiring, replace damaged components.
✔✔What is the first step before beginning any electrical work? - ✔✔Turn off power
✔✔What should you inspect for before beginning electrical work? - ✔✔Damage
✔✔What is a multimeter? - ✔✔Tool to measure electrical properties
✔✔What is continuity testing? - ✔✔Checking if circuit is complete or broken
✔✔What should you test for with the power on? - ✔✔Voltage
✔✔What should you check for in the wiring? - ✔✔Loose connections or damaged
insulation
✔✔What should you do with damaged components? - ✔✔Replace them
✔✔What should you align with one side of the angle when measuring angles? -
✔✔Base of the protractor
✔✔How do you check if a surface is square? - ✔✔Use a square and check if both
edges are flush
✔✔What is a level? - ✔✔A tool used to check for levelness.
✔✔What is a plumb? - ✔✔A tool used to check for verticality.
✔✔How do you use a plumb? - ✔✔Observe which way it hangs.
✔✔How do you adjust a surface using a plumb? - ✔✔Hold the plumb line against the
surface you want to check for verticality.
QUESTIONS AND SOLUTIONS RATED A+
✔✔What do the markings on a standard ruler represent? - ✔✔Fractions of an inch.
✔✔What does the longest line on a standard ruler represent? - ✔✔A whole inch.
✔✔How do you read a measurement on a standard ruler? - ✔✔Align the object with the
zero mark and look for the line that aligns with the other edge.
✔✔What do the numbers on a standard ruler indicate? - ✔✔Whole inches.
✔✔What should you do to ensure a socket or adapter fits securely? - ✔✔Make sure it
fits snugly onto the bolt or nut.
✔✔What is the purpose of a torque tester? - ✔✔To double-check the torque of a bolt or
nut.
✔✔What should you avoid exposing a torque wrench to? - ✔✔Moisture or chemicals.
✔✔What is the purpose of applying torque? - ✔✔To tighten a bolt or nut.
✔✔What is the purpose of converting measurements on rulers? - ✔✔To switch between
standard and metric units.
✔✔What is the first step in reading measurements on a standard ruler? - ✔✔Identify the
markings.
✔✔What do the shorter lines on a standard ruler represent? - ✔✔Fractions of an inch.
✔✔How can you estimate the fraction of an inch on a standard ruler? - ✔✔By looking at
the next shortest line.
✔✔How do you convert inches to fractions on a standard ruler? - ✔✔Find the line that
represents inches and estimate the fraction.
✔✔How do you convert fractions to decimals on a standard ruler? - ✔✔Divide the
fraction by the denominator and add to the whole number.
✔✔What are the markings on a metric ruler? - ✔✔Millimeters and centimeters.
✔✔How do you read a measurement on a metric ruler? - ✔✔Align object with zero mark
and look for line that aligns with other edge.
, ✔✔How do you convert millimeters to centimeters on a metric ruler? - ✔✔Divide by 10.
✔✔How do you convert centimeters to millimeters on a metric ruler? - ✔✔Multiply by 10.
✔✔Why is it important to take safety precautions when diagnosing electrical
components? - ✔✔To avoid injury or damage to equipment.
✔✔What are some steps to safely diagnose electrical components? - ✔✔Turn off
power, inspect for damage, use a multimeter, test for continuity, test for voltage, check
the wiring, replace damaged components.
✔✔What is the first step before beginning any electrical work? - ✔✔Turn off power
✔✔What should you inspect for before beginning electrical work? - ✔✔Damage
✔✔What is a multimeter? - ✔✔Tool to measure electrical properties
✔✔What is continuity testing? - ✔✔Checking if circuit is complete or broken
✔✔What should you test for with the power on? - ✔✔Voltage
✔✔What should you check for in the wiring? - ✔✔Loose connections or damaged
insulation
✔✔What should you do with damaged components? - ✔✔Replace them
✔✔What should you align with one side of the angle when measuring angles? -
✔✔Base of the protractor
✔✔How do you check if a surface is square? - ✔✔Use a square and check if both
edges are flush
✔✔What is a level? - ✔✔A tool used to check for levelness.
✔✔What is a plumb? - ✔✔A tool used to check for verticality.
✔✔How do you use a plumb? - ✔✔Observe which way it hangs.
✔✔How do you adjust a surface using a plumb? - ✔✔Hold the plumb line against the
surface you want to check for verticality.
