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Test your basic knowledge |
Mechanical Systems 2
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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. 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
Load
Valve
Driven Gear
2. A device used to regulate the flow of a liquid in a hydraulic system.
Pulley
Carpal Tunnel Syndrome
Valve
Compound pulley
3. The point of the lever that does not move.
Force
Fulcrum
Force
Reciprocating
4. A twisting force.
Torque
Pneumatic systems
Simple Gear Train
Lever
5. A rotating wheel- like device with teeth around the rim.
Carpal Tunnel Syndrome
Gear
Linear Motion
Oscillate
6. Something put into a system - such as resources - in order to achieve a result.
Lead Screw
Torque
Input
Pressure
7. Acts on a certain area.
Fulcrum
Force
Input
Gear Ratio
8. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Simple Gear Train
Gear
Input
Torque
9. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.
Joules
Worm & Wheel
Class 1 lever
Work
10. Circular movement.
Work
Lead Screw
Rotary Motion
Newtons
11. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Crank & Slider
Subsystems
Belt and Pulley
Cam & Follower
12. 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.
Efficiency
Pulley
Lever
Energy
13. The that has a handle because of a motoe or person turning it.
Work
Driving gear
Joules
Class 3 lever
14. 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.
Driving gear
Closed system
Worm & Wheel
Speed ratio
15. The ratio of the speed of the driving member of a gear train to that of the driven member.
Cam & Follower
Pascal's law
Gear Ratio
Transmission
16. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.
Gear Ratio
Pumps
Fixed pulley
Newtons
17. The force acting perpendicular to a certain surface area.
Pressure
Energy
Oscillate
Ergonomics
18. A threaded shaft used to convert rotary movement to linear movement.
Rack & Pinion
Lead Screw
Class 1 lever
Mechanical advantage
19. 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.
Lever
Lead Screw
Kinect energy
Compound pulley
20. A lever in which the load is between the fulcrum and the effort.
Hydraulic lift
Subsystems
Class 2 lever
Belt and Pulley
21. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Gear Ratio
Gear
Force
Simple Gear Train
22. Opposite in position - direction - order or effect.
Class 2 lever
Inverse
Lever
Kinect energy
23. The distance in a strait line from the center of a circle to the circle circumference
Radius
Energy
Bevel Gear
Load
24. 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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25. The work done by a machine as the output force acts through the output distance
Output work
Input work
Worm & Wheel
Winch
26. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Pitch
Speed ratio
Input
Cam & Follower
27. Movement in a straight line.
Linear Motion
Bevel Gear
Worm & Wheel
Kinect energy
28. The results of the operation of any system.
Force
Crown & Pinion
Work
Output
29. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Rack & Pinion
Pascal's law
Work
Wheel and axle
30. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Input
Driven Gear
Wheel and axle
Carpal Tunnel Syndrome
31. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Pneumatic systems
Class 3 lever
Class 2 lever
Driving gear
32. A secondary or subordinate system that is part if a larger system.
Force
Input work
Subsystems
Inverse
33. A system having a boundary that separates it from it surroundings.
Class 2 lever
Driven Gear
Torque
Closed system
34. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Subsystems
Block and tackle
Lead Screw
Work
35. A combo of several pulleys working together.
Reciprocating
Torque
Wheel and axle
Compound pulley
36. The distance between adjacent threads in a screw.
Pitch
Newtons
Gear
Ratio
37. A lever in which the effort is applied between the fulcrum and the load.
Class 3 lever
Pascal's law
Rotary Motion
Force
38. Energy is transferred from one plan to another - and no energy is changed or converted.
Drive Gear
Lead Screw
Work
Transmission
39. The gear which transmits power and motion to the rest of the system. The input gear.
Fulcrum
Wheel and axle
Drive Gear
Oscillate
40. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Load
Pascal's law
Rack & Pinion
Carpal Tunnel Syndrome
41. A joint that allows connected shafts to spin freely while permitting a change in direction.
Output work
Universal Joint
Class 3 lever
Torque
42. A gear with teeth that fits into the links of a chain.
Torque
Sprocket
Transmission
Output
43. The science of designing gone or work environments that best suit the human body in it various dimensions.
Crown & Pinion
Reciprocating
Ergonomics
Pulley
44. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Class 2 lever
Ratio
Efficiency
Potential energy
45. The gear being turned buy the driver gear
Potential energy
Driven Gear
Pumps
Crown & Pinion
46. The ability to do work.
Cam & Follower
Energy
Fixed pulley
Driving gear
47. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Belt and Pulley
Worm & Wheel
Crank & Slider
Valve
48. A lever in which the fulcrum is between the effort and load.
Output
Work
Valve
Class 1 lever
49. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Belt and Pulley
Crown & Pinion
Mechanical advantage
Newtons
50. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Carpal Tunnel Syndrome
Linear Motion
Input
Fulcrum
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