1. What is a gear or cogwheel A rotating machine
part with teeth
or cogs, which
mesh with anoth-
er toothed part to
transmit torque
2. What is torque The ability of a
force to cause ro-
tation around an
axis.
3. What are two or more gears working in a sequence A train or a gear
called train
4. What can a gear train be considered and why A simple machine
because it can
produce a me-
chanical advan-
tage through a
gear ratio
5. What is it called when two or more gears are touching Meshed
6. If the gears are touching, then the adjacent gears Opposite
move in ________ directions
7. When there are an ____ number of meshed gears, then Odd
the last gear will always turn in the same direction as
the first gear
8. Gears can change the ______, ______, and _______ of Speed, torque,
a power source and direction
9. What is a non-rotating toothed part called and what is A rack; a transla-
produced when a gear meshes with one tion instead of ro-
tation
10. What happens when two gears mesh and one gear is A mechanical ad-
bigger than the other vantage is pro-
1/7
, FCTC Written Prep
duced and the
rotational speeds
and torques differ
in an inverse rela-
tionship
11. What is the most simple type of gear and characteris- A spur gear
tics of it - Cylinder or disk
with teeth project-
ing radically
12. A belt and pulley system consists of ___________ two or more pul-
connected by a belt leys
13. If the diameter of a pulley is double that of it's con- It halves it
nected pulley, how does it affect the RPM
14. Diameter of pulley A / diameter of pulley B = 4/8, so 1/2
pulley B will run ____ as fast as pulley A.
15. Diameter of pulley C / diameter of pulley D = 4/16, so 1/4
pulley D will run _____ as fast as pulley C
16. What is a pulley A wheel on an
axle or shaft that
is designed to
support movement
and change of di-
rection of a cable
or belt along it's
circumference
17. How are pulleys typically used To lift loads, ap-
ply forces, and to
transmit power
18. What is a sheave or a drum Another name for
a pulley
19. What is the drive element of a pulley system
2/7
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MEGAMINDS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
