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