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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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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. A machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things
Winch
Kinect energy
Simple Gear Train
Sprocket
2. Acts on a certain area.
Fixed pulley
Force
Closed system
Idler Gear
3. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Efficiency
Gear Ratio
Linear Motion
Mechanical advantage
4. 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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5. The ratio of the speed of the driving member of a gear train to that of the driven member.
Gear Ratio
Speed ratio
Force
Worm & Wheel
6. 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.
Subsystems
Lever
Output work
Worm & Wheel
7. The results of the operation of any system.
Output
Compound pulley
Input work
Universal Joint
8. Circular movement.
Work
Rotary Motion
Transmission
Class 2 lever
9. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Pneumatic systems
Torque
Valve
Gear
10. Opposite in position - direction - order or effect.
Work
Inverse
Mechanical advantage
Torque
11. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Oscillate
Pulley
Compound pulley
Gear
12. Something put into a system - such as resources - in order to achieve a result.
Output work
Input
Pulley
Transmission
13. 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.
Speed ratio
Mechanism
Pressure
Reciprocating
14. A device used to regulate the flow of a liquid in a hydraulic system.
Valve
Input
Inverse
Driven Gear
15. 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.
Simple Gear Train
Belt and Pulley
Pulley
Rotary Motion
16. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Rack & Pinion
Idler Gear
Mechanical advantage
Drive Gear
17. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Energy
Carpal Tunnel Syndrome
Crown & Pinion
Driven Gear
18. A gear with teeth that fits into the links of a chain.
Load
Sprocket
Subsystems
Belt and Pulley
19. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Reciprocating
Winch
Block and tackle
Driving gear
20. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Class 1 lever
Rack & Pinion
Wheel and axle
Sprocket
21. The work done on a machine as the input force acts through the input distance
Closed system
Load
Input work
Driving gear
22. A threaded shaft used to convert rotary movement to linear movement.
Lead Screw
Gear Ratio
Transmission
Block and tackle
23. A back and forth movement.
Load
Energy
Idler Gear
Reciprocating
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.
Rotary Motion
Universal Joint
Pumps
Efficiency
25. Work= force x distance
Lever
Work
Rack & Pinion
Rotary Motion
26. The energy of motion.
Mechanical advantage
Kinect energy
Drive Gear
Rack & Pinion
27. The point of the lever that does not move.
Output
Fulcrum
Ratio
Oscillate
28. The gear which transmits power and motion to the rest of the system. The input gear.
Drive Gear
Subsystems
Oscillate
Radius
29. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.
Driven Gear
Output
Fixed pulley
Hydraulic lift
30. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Load
Gear Ratio
Torque
Crank & Slider
31. One of a pair of gears used to connect two shafts whose axes intersect.
Cam & Follower
Block and tackle
Drive Gear
Bevel Gear
32. A machine used for raising or moving liquids.
Torque
Pumps
Fixed pulley
Fulcrum
33. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Cam & Follower
Drive Gear
Joules
Fixed pulley
34. A system having a boundary that separates it from it surroundings.
Pitch
Output work
Closed system
Pulley
35. The application of force that moves an object a certain distance.
Pascal's law
Driven Gear
Work
Pitch
36. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Cam & Follower
Rack & Pinion
Belt and Pulley
Linear Motion
37. A way to measure stuff.
Subsystems
Class 3 lever
Newtons
Rotary Motion
38. Stored energy
Input work
Drive Gear
Potential energy
Gear
39. The that has a handle because of a motoe or person turning it.
Output
Driving gear
Fulcrum
Lead Screw
40. A combo of several pulleys working together.
Ratio
Compound pulley
Lever
Gear Ratio
41. A rotating wheel- like device with teeth around the rim.
Crank & Slider
Driven Gear
Gear
Block and tackle
42. The ability to do work.
Gear
Class 2 lever
Energy
Crank & Slider
43. The work done by a machine as the output force acts through the output distance
Carpal Tunnel Syndrome
Pascal's law
Output work
Work
44. A push or pull on an object.
Force
Input
Pumps
Ratio
45. Energy is transferred from one plan to another - and no energy is changed or converted.
Mechanism
Transmission
Valve
Ergonomics
46. A secondary or subordinate system that is part if a larger system.
Transmission
Pascal's law
Subsystems
Worm & Wheel
47. The science of designing gone or work environments that best suit the human body in it various dimensions.
Pitch
Carpal Tunnel Syndrome
Class 3 lever
Ergonomics
48. A swing back and forth at a regular rate.
Transmission
Oscillate
Winch
Crank & Slider
49. The distance in a strait line from the center of a circle to the circle circumference
Radius
Work
Driven Gear
Load
50. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.
Bevel Gear
Drive Gear
Mechanism
Ergonomics
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