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