SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
Search
Test your basic knowledge |
Mechanical Systems 2
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Work= force x distance
Work
Driving gear
Force
Simple Gear Train
2. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Wheel and axle
Block and tackle
Crown & Pinion
Joules
3. A lever in which the effort is applied between the fulcrum and the load.
Bevel Gear
Valve
Class 3 lever
Block and tackle
4. A device used to regulate the flow of a liquid in a hydraulic system.
Output
Valve
Gear
Transmission
5. A wheel with a grooved rim to guide a rope or chain that runs along the groove; used to transmit or change direction of force.
Pulley
Block and tackle
Belt and Pulley
Efficiency
6. A lever in which the load is between the fulcrum and the effort.
Energy
Class 2 lever
Linear Motion
Radius
7. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Mechanical advantage
Hydraulic lift
Efficiency
Drive Gear
8. The ratio of the speed of the driving member of a gear train to that of the driven member.
Gear Ratio
Potential energy
Linear Motion
Gear
9. A gear with teeth that fits into the links of a chain.
Simple Gear Train
Sprocket
Efficiency
Gear
10. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Pressure
Torque
Driven Gear
Class 3 lever
11. The ability to do work.
Class 1 lever
Mechanism
Universal Joint
Energy
12. A secondary or subordinate system that is part if a larger system.
Drive Gear
Mechanism
Subsystems
Winch
13. The energy of motion.
Force
Worm & Wheel
Kinect energy
Energy
14. The gear which transmits power and motion to the rest of the system. The input gear.
Gear
Drive Gear
Newtons
Output
15. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Crown & Pinion
Potential energy
Lever
Rack & Pinion
16. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Ratio
Bevel Gear
Simple Gear Train
Joules
17. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Torque
Gear
Simple Gear Train
Rack & Pinion
18. A small cogwheel that engages or is engaged by a larger cogwheel.
Universal Joint
Mechanical advantage
Crank & Slider
Crown & Pinion
19. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.
Output work
Fixed pulley
Bevel Gear
Crown & Pinion
20. The work done by a machine as the output force acts through the output distance
Force
Newtons
Reciprocating
Output work
21. The force acting perpendicular to a certain surface area.
Reciprocating
Pressure
Lead Screw
Efficiency
22. Something put into a system - such as resources - in order to achieve a result.
Oscillate
Inverse
Load
Input
23. The gear being turned buy the driver gear
Driven Gear
Pressure
Force
Ergonomics
24. The ratio of the useful work or energy provided by a machine or system with the actual work or energy supplied to the machine or system.
Efficiency
Potential energy
Cam & Follower
Class 1 lever
25. A push or pull on an object.
Force
Joules
Block and tackle
Compound pulley
26. A joint that allows connected shafts to spin freely while permitting a change in direction.
Universal Joint
Pneumatic systems
Drive Gear
Lead Screw
27. The science of designing gone or work environments that best suit the human body in it various dimensions.
Ergonomics
Force
Lever
Driven Gear
28. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.
Lead Screw
Fulcrum
Simple Gear Train
Mechanism
29. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Idler Gear
Pumps
Work
Carpal Tunnel Syndrome
30. A back and forth movement.
Crown & Pinion
Reciprocating
Pulley
Subsystems
31. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.
Closed system
Input work
Hydraulic lift
Universal Joint
32. The work done on a machine as the input force acts through the input distance
Drive Gear
Compound pulley
Block and tackle
Input work
33. Energy is transferred from one plan to another - and no energy is changed or converted.
Joules
Load
Potential energy
Transmission
34. A law stating that when pressuer is exerted on on part of a fluid - the same pressure is transmitted unchanged to all parts of the fluid - no matter what the shape of the container holding fluid. EX: water balloon.
35. A machine used for raising or moving liquids.
Transmission
Pumps
Radius
Input work
36. A machine consisting of a bar that is free to rotate around a fixed point - changing the amount of force that must be exerted to move an object.
Gear
Bevel Gear
Lever
Pascal's law
37. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.
Input work
Wheel and axle
Worm & Wheel
Kinect energy
38. The results of the operation of any system.
Output
Wheel and axle
Mechanical advantage
Subsystems
39. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Oscillate
Driven Gear
Wheel and axle
Simple Gear Train
40. A swing back and forth at a regular rate.
Force
Oscillate
Lever
Universal Joint
41. Circular movement.
Rotary Motion
Idler Gear
Driven Gear
Worm & Wheel
42. A threaded shaft used to convert rotary movement to linear movement.
Pulley
Output
Gear
Lead Screw
43. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Block and tackle
Belt and Pulley
Pressure
Subsystems
44. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Gear
Load
Driven Gear
Speed ratio
45. The distance in a strait line from the center of a circle to the circle circumference
Radius
Fulcrum
Simple Gear Train
Oscillate
46. A rotating wheel- like device with teeth around the rim.
Block and tackle
Gear
Output
Driven Gear
47. Measurement for work
Work
Joules
Kinect energy
Pitch
48. Opposite in position - direction - order or effect.
Inverse
Work
Gear
Linear Motion
49. The realtioship between the speed of rotation of a smaller gear and a larger gear = number of driven gear teeth / Number of following gear teeth.
Crown & Pinion
Gear
Speed ratio
Class 3 lever
50. One of a pair of gears used to connect two shafts whose axes intersect.
Valve
Bevel Gear
Driven Gear
Pneumatic systems