Fundamentals Exam Questions and
Answers 100% score Latest update 2026
True or false. A herringbone gear with a diametral pitch of 20
should have at least 0.005 inch backlash. -
correct answer ✅False
What are the two types of gear drives? -
correct answer ✅1. Open gear drive
2. Enclosed gear drives
What is an open gear drive? -
correct answer ✅Gears that are exposed to the outside
environment
What is typically used to lubricate an open gear drive? -
correct answer ✅Thick oil or grease
What are enclosed gear drives? -
correct answer ✅Gears contained in a gearbox with a lubrication
supply
,Millwright - 2nd Year: Gearing
Fundamentals Exam Questions and
Answers 100% score Latest update 2026
Enclosed gear drives can be lubricated with __________ or
__________. -
correct answer ✅oil, grease
What are gear sets? -
correct answer ✅Matched pairs of gears manufactured together
and intended to mate with each other
Hypoid and bevel gears are usually _____________________. -
correct answer ✅made in sets
What is a gear train? -
correct answer ✅When two or more gears mesh or work together
as a unit.
What is a pinion? -
correct answer ✅The gear with fewer teeth between two gears
that have different numbers of teeth mesh
The pinion is generally the ___________________ gear. -
correct answer ✅drive
,Millwright - 2nd Year: Gearing
Fundamentals Exam Questions and
Answers 100% score Latest update 2026
What is a crown gear (ring gear)? -
correct answer ✅The larger circular gear of a bevel and hypoid
gear set with the teeth pointing upwards around the ring when the
gear lays flat.
What is the power in drive gear? -
correct answer ✅The input gear of the gear train causing the
mating gear to turn.
What is the power out driven gear? -
correct answer ✅The output gear of the gear train that the the
drive gear forces to turn
What is direct drive? -
correct answer ✅When the input speed of the gearbox is the same
as the output speed
What is a speed reducer? -
correct answer ✅A gear train with a slower output speed than the
input speed
, Millwright - 2nd Year: Gearing
Fundamentals Exam Questions and
Answers 100% score Latest update 2026
What is a speed increaser? -
correct answer ✅A gear train wiht a faster output speed than the
input speed
What is mechanical advantage? -
correct answer ✅the ratio of the force produced by a machine to
the force applied to it, used in assessing the performance of a
machine
How is mechanical advantage increased in a gear train? -
correct answer ✅Using a speed reducer increases torque
The larger the driven gear is compared to the drive gear, the greater
the ___________________________. -
correct answer ✅mechanical advantage
What is a overhung gear (overhung load)? -
correct answer ✅A gear with a support bearing on one side only