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Test your basic knowledge |
Mechanical Systems 2
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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. A push or pull on an object.
Force
Gear Ratio
Input work
Torque
2. The ability to do work.
Energy
Class 3 lever
Valve
Ratio
3. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Rack & Pinion
Universal Joint
Mechanical advantage
Class 2 lever
4. The distance in a strait line from the center of a circle to the circle circumference
Gear
Mechanism
Radius
Ratio
5. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Closed system
Wheel and axle
Load
Mechanical advantage
6. The science of designing gone or work environments that best suit the human body in it various dimensions.
Ergonomics
Gear
Block and tackle
Cam & Follower
7. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Gear
Driven Gear
Pneumatic systems
Force
8. Energy is transferred from one plan to another - and no energy is changed or converted.
Transmission
Inverse
Subsystems
Drive Gear
9. Work= force x distance
Work
Lever
Class 1 lever
Output
10. A lever in which the fulcrum is between the effort and load.
Gear
Class 1 lever
Cam & Follower
Universal Joint
11. The distance between adjacent threads in a screw.
Output
Pitch
Pulley
Class 1 lever
12. A machine used for raising or moving liquids.
Pumps
Simple Gear Train
Driving gear
Compound pulley
13. One of a pair of gears used to connect two shafts whose axes intersect.
Driven Gear
Bevel Gear
Ratio
Mechanical advantage
14. A gear with teeth that fits into the links of a chain.
Sprocket
Inverse
Work
Work
15. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.
Efficiency
Lead Screw
Mechanism
Output
16. The that has a handle because of a motoe or person turning it.
Torque
Force
Driving gear
Gear Ratio
17. A machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things
Energy
Winch
Transmission
Force
18. A way to measure stuff.
Closed system
Class 2 lever
Inverse
Newtons
19. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Driven Gear
Energy
Inverse
Rotary Motion
20. Stored energy
Cam & Follower
Potential energy
Transmission
Reciprocating
21. Acts on a certain area.
Ratio
Input
Force
Ergonomics
22. A small cogwheel that engages or is engaged by a larger cogwheel.
Crown & Pinion
Closed system
Wheel and axle
Pulley
23. A joint that allows connected shafts to spin freely while permitting a change in direction.
Hydraulic lift
Universal Joint
Idler Gear
Efficiency
24. The results of the operation of any system.
Output
Work
Drive Gear
Fixed pulley
25. The gear being turned buy the driver gear
Gear Ratio
Mechanism
Driven Gear
Universal Joint
26. The application of force that moves an object a certain distance.
Universal Joint
Work
Idler Gear
Force
27. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Class 2 lever
Load
Driven Gear
Rotary Motion
28. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Subsystems
Input
Cam & Follower
Ratio
29. Circular movement.
Load
Work
Rotary Motion
Inverse
30. The force acting perpendicular to a certain surface area.
Energy
Pressure
Pitch
Pascal's law
31. The work done on a machine as the input force acts through the input distance
Winch
Input work
Idler Gear
Input
32. 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.
Input
Work
Lever
Pressure
33. A device used to regulate the flow of a liquid in a hydraulic system.
Sprocket
Pascal's law
Force
Valve
34. A secondary or subordinate system that is part if a larger system.
Subsystems
Crown & Pinion
Ratio
Crank & Slider
35. Movement in a straight line.
Linear Motion
Output work
Fulcrum
Oscillate
36. Opposite in position - direction - order or effect.
Ergonomics
Inverse
Pumps
Mechanism
37. 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.
Fixed pulley
Driving gear
Block and tackle
Efficiency
38. Measurement for work
Reciprocating
Gear
Crank & Slider
Joules
39. A back and forth movement.
Gear
Universal Joint
Reciprocating
Bevel Gear
40. The point of the lever that does not move.
Valve
Fulcrum
Gear
Efficiency
41. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Fixed pulley
Mechanism
Worm & Wheel
Rack & Pinion
42. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Compound pulley
Lead Screw
Radius
Block and tackle
43. A swing back and forth at a regular rate.
Gear
Oscillate
Joules
Universal Joint
44. A lever in which the load is between the fulcrum and the effort.
Class 2 lever
Output work
Oscillate
Block and tackle
45. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Inverse
Simple Gear Train
Driven Gear
Bevel Gear
46. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Pumps
Simple Gear Train
Compound pulley
Cam & Follower
47. Something put into a system - such as resources - in order to achieve a result.
Hydraulic lift
Input
Crown & Pinion
Pascal's law
48. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Winch
Newtons
Load
Crank & Slider
49. A rotating wheel- like device with teeth around the rim.
Gear
Force
Winch
Pneumatic systems
50. 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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