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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 rotating wheel- like device with teeth around the rim.
Closed system
Transmission
Class 3 lever
Gear
2. The force acting perpendicular to a certain surface area.
Mechanical advantage
Pressure
Lever
Belt and Pulley
3. A lever in which the load is between the fulcrum and the effort.
Fulcrum
Input
Class 2 lever
Pressure
4. The distance in a strait line from the center of a circle to the circle circumference
Ergonomics
Radius
Rotary Motion
Bevel Gear
5. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Torque
Load
Lead Screw
Class 1 lever
6. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Carpal Tunnel Syndrome
Mechanical advantage
Linear Motion
Ratio
7. 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.
Pulley
Ergonomics
Cam & Follower
Newtons
8. One of a pair of gears used to connect two shafts whose axes intersect.
Wheel and axle
Bevel Gear
Driving gear
Pumps
9. A combination of two or more gears used to transmit motion between two rotating shafts or between a shaft and a slide.
Force
Simple Gear Train
Drive Gear
Block and tackle
10. 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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11. Something put into a system - such as resources - in order to achieve a result.
Mechanism
Reciprocating
Input
Class 3 lever
12. A device used to regulate the flow of a liquid in a hydraulic system.
Work
Efficiency
Energy
Valve
13. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Force
Driving gear
Driven Gear
Mechanical advantage
14. 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.
Class 3 lever
Lever
Simple Gear Train
Speed ratio
15. Stored energy
Potential energy
Output
Sprocket
Lever
16. The science of designing gone or work environments that best suit the human body in it various dimensions.
Class 2 lever
Hydraulic lift
Ergonomics
Speed 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
Driven Gear
Output work
Input
Winch
18. Work= force x distance
Energy
Newtons
Work
Hydraulic lift
19. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Driven Gear
Oscillate
Joules
Ergonomics
20. 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.
Linear Motion
Hydraulic lift
Pneumatic systems
Efficiency
21. A joint that allows connected shafts to spin freely while permitting a change in direction.
Drive Gear
Universal Joint
Idler Gear
Work
22. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Pneumatic systems
Class 3 lever
Rack & Pinion
Pressure
23. Movement in a straight line.
Load
Pressure
Winch
Linear Motion
24. The ratio of the speed of the driving member of a gear train to that of the driven member.
Inverse
Universal Joint
Gear Ratio
Transmission
25. A threaded shaft used to convert rotary movement to linear movement.
Lead Screw
Ratio
Output
Load
26. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.
Hydraulic lift
Speed ratio
Fulcrum
Potential energy
27. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Potential energy
Radius
Cam & Follower
Input work
28. A back and forth movement.
Sprocket
Class 3 lever
Work
Reciprocating
29. A small cogwheel that engages or is engaged by a larger cogwheel.
Crown & Pinion
Oscillate
Work
Pneumatic systems
30. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Block and tackle
Idler Gear
Gear
Wheel and axle
31. Circular movement.
Valve
Hydraulic lift
Rotary Motion
Class 2 lever
32. A gear with teeth that fits into the links of a chain.
Gear
Joules
Sprocket
Subsystems
33. 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.
Load
Speed ratio
Pressure
Work
34. A way to measure stuff.
Lead Screw
Pressure
Valve
Newtons
35. Opposite in position - direction - order or effect.
Efficiency
Crank & Slider
Inverse
Force
36. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.
Fulcrum
Torque
Newtons
Mechanism
37. Energy is transferred from one plan to another - and no energy is changed or converted.
Pneumatic systems
Transmission
Oscillate
Belt and Pulley
38. The gear which transmits power and motion to the rest of the system. The input gear.
Drive Gear
Pitch
Idler Gear
Rack & Pinion
39. Measurement for work
Joules
Driven Gear
Output
Gear
40. A mechanical arrangement consisting of a toothed wheel driven by a short revolving cylinder bearing a screw thread.
Worm & Wheel
Pressure
Oscillate
Work
41. The distance between adjacent threads in a screw.
Valve
Fulcrum
Pitch
Driven Gear
42. A secondary or subordinate system that is part if a larger system.
Subsystems
Drive Gear
Belt and Pulley
Pascal's law
43. A machine used for raising or moving liquids.
Gear
Pumps
Force
Input
44. A gear between the driver and the driven gear used to change rotational direction.
Pascal's law
Winch
Subsystems
Idler Gear
45. The gear being turned buy the driver gear
Mechanical advantage
Linear Motion
Driven Gear
Worm & Wheel
46. A swing back and forth at a regular rate.
Newtons
Oscillate
Crank & Slider
Gear
47. A lever in which the effort is applied between the fulcrum and the load.
Driven Gear
Class 3 lever
Driven Gear
Newtons
48. The energy of motion.
Crank & Slider
Kinect energy
Linear Motion
Transmission
49. Acts on a certain area.
Reciprocating
Input work
Force
Driven Gear
50. The work done on a machine as the input force acts through the input distance
Potential energy
Pascal's law
Work
Input work