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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 distance in a strait line from the center of a circle to the circle circumference
Radius
Reciprocating
Lever
Linear Motion
2. The ratio of the speed of the driving member of a gear train to that of the driven member.
Crank & Slider
Simple Gear Train
Gear
Gear Ratio
3. A lever in which the load is between the fulcrum and the effort.
Pressure
Class 2 lever
Driving gear
Closed system
4. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Bevel Gear
Energy
Output work
Block and tackle
5. A way to measure stuff.
Newtons
Pressure
Belt and Pulley
Pneumatic systems
6. A machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things
Winch
Fixed pulley
Pumps
Gear Ratio
7. Work= force x distance
Force
Work
Winch
Output work
8. A threaded shaft used to convert rotary movement to linear movement.
Ratio
Idler Gear
Universal Joint
Lead Screw
9. Energy is transferred from one plan to another - and no energy is changed or converted.
Class 3 lever
Transmission
Worm & Wheel
Pascal's law
10. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Wheel and axle
Output work
Simple Gear Train
Energy
11. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Crank & Slider
Wheel and axle
Input work
Rack & Pinion
12. 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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13. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Cam & Follower
Force
Load
Closed system
14. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Pitch
Cam & Follower
Fulcrum
Load
15. The energy of motion.
Worm & Wheel
Fulcrum
Output work
Kinect energy
16. A small cogwheel that engages or is engaged by a larger cogwheel.
Cam & Follower
Valve
Driven Gear
Crown & Pinion
17. A gear between the driver and the driven gear used to change rotational direction.
Driving gear
Radius
Crank & Slider
Idler Gear
18. Something put into a system - such as resources - in order to achieve a result.
Force
Sprocket
Input
Worm & Wheel
19. 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
Block and tackle
Mechanism
Winch
20. A machine used for raising or moving liquids.
Pulley
Pumps
Gear
Subsystems
21. The that has a handle because of a motoe or person turning it.
Closed system
Pascal's law
Driving gear
Gear
22. A twisting force.
Rotary Motion
Sprocket
Torque
Universal Joint
23. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Simple Gear Train
Class 1 lever
Reciprocating
Oscillate
24. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Compound pulley
Energy
Work
Driven Gear
25. The distance between adjacent threads in a screw.
Joules
Pitch
Pneumatic systems
Ratio
26. 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.
Pressure
Lead Screw
Class 2 lever
Efficiency
27. A device used to regulate the flow of a liquid in a hydraulic system.
Drive Gear
Valve
Input
Lead Screw
28. Acts on a certain area.
Ratio
Rack & Pinion
Fulcrum
Force
29. 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.
Inverse
Speed ratio
Class 3 lever
Radius
30. A system having a boundary that separates it from it surroundings.
Linear Motion
Closed system
Cam & Follower
Joules
31. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Wheel and axle
Drive Gear
Pressure
Ratio
32. A gear with teeth that fits into the links of a chain.
Belt and Pulley
Torque
Sprocket
Transmission
33. A secondary or subordinate system that is part if a larger system.
Torque
Closed system
Subsystems
Output work
34. A combo of several pulleys working together.
Load
Subsystems
Compound pulley
Crown & Pinion
35. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Belt and Pulley
Sprocket
Bevel Gear
Force
36. The work done by a machine as the output force acts through the output distance
Output work
Mechanism
Pneumatic systems
Ratio
37. One of a pair of gears used to connect two shafts whose axes intersect.
Valve
Bevel Gear
Closed system
Force
38. The ability to do work.
Mechanism
Crank & Slider
Energy
Class 1 lever
39. Opposite in position - direction - order or effect.
Pneumatic systems
Inverse
Sprocket
Pulley
40. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Carpal Tunnel Syndrome
Fulcrum
Linear Motion
Pressure
41. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Force
Oscillate
Output
Gear
42. 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.
Crown & Pinion
Work
Fixed pulley
Pulley
43. The science of designing gone or work environments that best suit the human body in it various dimensions.
Class 1 lever
Pulley
Worm & Wheel
Ergonomics
44. Measurement for work
Rack & Pinion
Reciprocating
Joules
Subsystems
45. A push or pull on an object.
Class 2 lever
Force
Pressure
Simple Gear Train
46. A back and forth movement.
Reciprocating
Wheel and axle
Efficiency
Compound pulley
47. The force acting perpendicular to a certain surface area.
Pitch
Input work
Winch
Pressure
48. The work done on a machine as the input force acts through the input distance
Closed system
Drive Gear
Belt and Pulley
Input work
49. The results of the operation of any system.
Kinect energy
Gear
Output
Idler Gear
50. A swing back and forth at a regular rate.
Oscillate
Reciprocating
Crown & Pinion
Potential energy
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