Maintenance Mechanic Level 2 Study Guide 2026 – Mechanical Systems, Troubleshooting, and
Advanced Maintenance
______metals are attracted by a magnet. - correct answer ✔✔ Ferrous
A rounded inside or outside corner can be measured with a - correct answer ✔✔ Radius guage
A sprocket that has no bushing is held in position on its shaft by a - correct answer ✔✔ Set
screw
Babbitt is a tin alloy used as a bearing material that helps reduce _______ between moving
parts. - correct answer ✔✔ Friction
Before mounting a drive chain, always check the alignment of the sprockets with a - correct
answer ✔✔ Strait edge or steel rod
actuators convert _________ energy into __________ energy. - correct answer ✔✔ Hydraulic,
mechanical
Lack of visible leakage from braided packing installed in pumps will cause packing to ______ or
______ - correct answer ✔✔ Burn, glaze
List 3 common packing materials for pumps - correct answer ✔✔ Cotton, flax, Teflon, carbon,
graphite, synthetic
Name 3 of the 6 basic parts of a mechanical seal - correct answer ✔✔ Primary seal rings, rotary
face, stationary face, secondary seals, the drive mechanism, spring mechanism, primary seal
,The purpose of a mechanical seal is to_______ leakage of product or other fluids to the
environment - correct answer ✔✔ Eliminate
To find the correct packing size for a specific stuffing box. Measure the ______ of the shaft and
the stuffing box. Then ______ the smaller diameter from the larger and divide by ______. -
correct answer ✔✔ Diameter, subtract, 2.
To tighten flange bolts you should always use a_____ and make sure they are torqued to the
correct torque______ and torque _______. - correct answer ✔✔ Torque wrench, torque
patterns, charts
What are the two reasons mechanical packing is still being used for packing - correct answer
✔✔ Availability, familiarity, ease of installation
When should pump packing be replaced? - correct answer ✔✔ When leaking from the gland
can no longer be controlled
What type stuffing box uses fluid to seal the packing and keep air from entering the pump -
correct answer ✔✔ Injection type stuffing box
Filler metal should match the composition of the - correct answer ✔✔ Base metal
Fine contaminant particles are usually measured in - correct answer ✔✔ Microns
To tighten flange bolts you should always use a - correct answer ✔✔ Torque wrench
When multiplying decimal fractions you figure out where to put the decimal point by counting
how many ______ there are in each number - correct answer ✔✔ Decimal places
, When using two-legged slings, avoid angles of less than_____ degrees between slings and the
plane if the ——— - correct answer ✔✔ 45, Load
Which provides a better fluid seal, a mechanical seal, or packing? - correct answer ✔✔
Mechanical seal
A cylinder can be checked for proper operation by disconnecting it from the _________ - correct
answer ✔✔ Load
A flange with a plain face should never be joined to one with a _____ face. - correct answer ✔✔
Raised
A fluid can be the following ______, _______, or ________. - correct answer ✔✔ Liquid, gas, a
semi-solid
A fluid drive should be located between the power source and the __________ - correct answer
✔✔ Load
A joint made so that the sections of tubing are pressed together is called a _______ joint. -
correct answer ✔✔ Compression
A liquid thermostat compound is usually in a mixture of a _______, and a __________. - correct
answer ✔✔ Resign, hardening agent
A loss of change through the top of a bladder accumulator indicates that the _______ must be
replaced. - correct answer ✔✔ Gas valve
A perfectly aligned shaft can shift under load because of a faulty________ - correct answer ✔✔
Bearing
Advanced Maintenance
______metals are attracted by a magnet. - correct answer ✔✔ Ferrous
A rounded inside or outside corner can be measured with a - correct answer ✔✔ Radius guage
A sprocket that has no bushing is held in position on its shaft by a - correct answer ✔✔ Set
screw
Babbitt is a tin alloy used as a bearing material that helps reduce _______ between moving
parts. - correct answer ✔✔ Friction
Before mounting a drive chain, always check the alignment of the sprockets with a - correct
answer ✔✔ Strait edge or steel rod
actuators convert _________ energy into __________ energy. - correct answer ✔✔ Hydraulic,
mechanical
Lack of visible leakage from braided packing installed in pumps will cause packing to ______ or
______ - correct answer ✔✔ Burn, glaze
List 3 common packing materials for pumps - correct answer ✔✔ Cotton, flax, Teflon, carbon,
graphite, synthetic
Name 3 of the 6 basic parts of a mechanical seal - correct answer ✔✔ Primary seal rings, rotary
face, stationary face, secondary seals, the drive mechanism, spring mechanism, primary seal
,The purpose of a mechanical seal is to_______ leakage of product or other fluids to the
environment - correct answer ✔✔ Eliminate
To find the correct packing size for a specific stuffing box. Measure the ______ of the shaft and
the stuffing box. Then ______ the smaller diameter from the larger and divide by ______. -
correct answer ✔✔ Diameter, subtract, 2.
To tighten flange bolts you should always use a_____ and make sure they are torqued to the
correct torque______ and torque _______. - correct answer ✔✔ Torque wrench, torque
patterns, charts
What are the two reasons mechanical packing is still being used for packing - correct answer
✔✔ Availability, familiarity, ease of installation
When should pump packing be replaced? - correct answer ✔✔ When leaking from the gland
can no longer be controlled
What type stuffing box uses fluid to seal the packing and keep air from entering the pump -
correct answer ✔✔ Injection type stuffing box
Filler metal should match the composition of the - correct answer ✔✔ Base metal
Fine contaminant particles are usually measured in - correct answer ✔✔ Microns
To tighten flange bolts you should always use a - correct answer ✔✔ Torque wrench
When multiplying decimal fractions you figure out where to put the decimal point by counting
how many ______ there are in each number - correct answer ✔✔ Decimal places
, When using two-legged slings, avoid angles of less than_____ degrees between slings and the
plane if the ——— - correct answer ✔✔ 45, Load
Which provides a better fluid seal, a mechanical seal, or packing? - correct answer ✔✔
Mechanical seal
A cylinder can be checked for proper operation by disconnecting it from the _________ - correct
answer ✔✔ Load
A flange with a plain face should never be joined to one with a _____ face. - correct answer ✔✔
Raised
A fluid can be the following ______, _______, or ________. - correct answer ✔✔ Liquid, gas, a
semi-solid
A fluid drive should be located between the power source and the __________ - correct answer
✔✔ Load
A joint made so that the sections of tubing are pressed together is called a _______ joint. -
correct answer ✔✔ Compression
A liquid thermostat compound is usually in a mixture of a _______, and a __________. - correct
answer ✔✔ Resign, hardening agent
A loss of change through the top of a bladder accumulator indicates that the _______ must be
replaced. - correct answer ✔✔ Gas valve
A perfectly aligned shaft can shift under load because of a faulty________ - correct answer ✔✔
Bearing
