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Test your basic knowledge |
Mechanical Systems 2
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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.
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. The application of force that moves an object a certain distance.
Gear Ratio
Work
Cam & Follower
Fixed pulley
2. 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.
Lead Screw
Speed ratio
Fulcrum
Class 2 lever
3. A secondary or subordinate system that is part if a larger system.
Crank & Slider
Efficiency
Subsystems
Mechanical advantage
4. The distance between adjacent threads in a screw.
Crank & Slider
Kinect energy
Pitch
Joules
5. 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.
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6. A way to measure stuff.
Sprocket
Rotary Motion
Closed system
Newtons
7. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.
Class 3 lever
Output
Mechanical advantage
Fixed pulley
8. 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
Driven Gear
Rack & Pinion
Worm & Wheel
9. Movement in a straight line.
Crown & Pinion
Input work
Linear Motion
Closed system
10. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Universal Joint
Reciprocating
Hydraulic lift
Simple Gear Train
11. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Gear
Compound pulley
Universal Joint
Pneumatic systems
12. The ability to do work.
Joules
Pitch
Energy
Reciprocating
13. A small cogwheel that engages or is engaged by a larger cogwheel.
Crown & Pinion
Speed ratio
Joules
Energy
14. The gear which transmits power and motion to the rest of the system. The input gear.
Subsystems
Universal Joint
Sprocket
Drive Gear
15. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.
Pulley
Worm & Wheel
Hydraulic lift
Pascal's law
16. A gear between the driver and the driven gear used to change rotational direction.
Ratio
Mechanism
Idler Gear
Linear Motion
17. A rotating wheel- like device with teeth around the rim.
Force
Class 2 lever
Gear
Radius
18. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Crown & Pinion
Gear
Kinect energy
Rotary Motion
19. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Force
Mechanical advantage
Output
Pressure
20. A lever in which the fulcrum is between the effort and load.
Class 1 lever
Linear Motion
Output
Cam & Follower
21. A threaded shaft used to convert rotary movement to linear movement.
Force
Pneumatic systems
Lead Screw
Gear Ratio
22. A twisting force.
Rotary Motion
Compound pulley
Torque
Driven Gear
23. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Belt and Pulley
Class 3 lever
Gear
Sprocket
24. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Class 1 lever
Mechanism
Driven Gear
Force
25. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.
Hydraulic lift
Pascal's law
Rotary Motion
Subsystems
26. The point of the lever that does not move.
Newtons
Fulcrum
Driven Gear
Wheel and axle
27. Acts on a certain area.
Block and tackle
Transmission
Speed ratio
Force
28. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Bevel Gear
Gear
Load
Simple Gear Train
29. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Torque
Drive Gear
Rack & Pinion
Pressure
30. A combo of several pulleys working together.
Compound pulley
Class 1 lever
Input work
Gear Ratio
31. A lever in which the effort is applied between the fulcrum and the load.
Driven Gear
Compound pulley
Work
Class 3 lever
32. A swing back and forth at a regular rate.
Driven Gear
Driven Gear
Oscillate
Compound pulley
33. Opposite in position - direction - order or effect.
Crown & Pinion
Rack & Pinion
Inverse
Newtons
34. A system having a boundary that separates it from it surroundings.
Work
Closed system
Kinect energy
Pumps
35. A lever in which the load is between the fulcrum and the effort.
Mechanical advantage
Driving gear
Efficiency
Class 2 lever
36. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Lead Screw
Work
Ratio
Carpal Tunnel Syndrome
37. A device used to regulate the flow of a liquid in a hydraulic system.
Lever
Output
Sprocket
Valve
38. The work done by a machine as the output force acts through the output distance
Work
Valve
Output work
Universal Joint
39. A gear with teeth that fits into the links of a chain.
Sprocket
Carpal Tunnel Syndrome
Output
Potential energy
40. The science of designing gone or work environments that best suit the human body in it various dimensions.
Work
Ratio
Ergonomics
Class 1 lever
41. Stored energy
Crown & Pinion
Newtons
Potential energy
Subsystems
42. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Drive Gear
Potential energy
Lever
Crank & Slider
43. One of a pair of gears used to connect two shafts whose axes intersect.
Pitch
Ergonomics
Driven Gear
Bevel Gear
44. The energy of motion.
Kinect energy
Drive Gear
Torque
Lead Screw
45. The distance in a strait line from the center of a circle to the circle circumference
Gear Ratio
Radius
Class 1 lever
Belt and Pulley
46. Something put into a system - such as resources - in order to achieve a result.
Worm & Wheel
Input
Force
Ergonomics
47. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Energy
Lever
Ratio
Class 1 lever
48. Work= force x distance
Belt and Pulley
Work
Inverse
Joules
49. The results of the operation of any system.
Ratio
Input
Output
Fixed pulley
50. 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.
Carpal Tunnel Syndrome
Crank & Slider
Pulley
Rotary Motion
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