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