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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 common workplace disorder causing numbness and pain in the thumb and first three finger.
Energy
Mechanism
Carpal Tunnel Syndrome
Block and tackle
2. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Pumps
Crank & Slider
Torque
Winch
3. A gear with teeth that fits into the links of a chain.
Efficiency
Sprocket
Linear Motion
Simple Gear Train
4. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Energy
Wheel and axle
Cam & Follower
Sprocket
5. A swing back and forth at a regular rate.
Oscillate
Output
Newtons
Input
6. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.
Driven Gear
Energy
Hydraulic lift
Input
7. The ratio of the speed of the driving member of a gear train to that of the driven member.
Cam & Follower
Pumps
Mechanical advantage
Gear Ratio
8. The results of the operation of any system.
Fulcrum
Efficiency
Output
Gear
9. A rotating wheel- like device with teeth around the rim.
Fulcrum
Gear
Work
Input
10. Something put into a system - such as resources - in order to achieve a result.
Input
Hydraulic lift
Universal Joint
Gear Ratio
11. Acts on a certain area.
Torque
Gear Ratio
Force
Lead Screw
12. A machine used for raising or moving liquids.
Pumps
Crown & Pinion
Cam & Follower
Idler Gear
13. The science of designing gone or work environments that best suit the human body in it various dimensions.
Input work
Compound pulley
Ergonomics
Transmission
14. Opposite in position - direction - order or effect.
Inverse
Hydraulic lift
Belt and Pulley
Rack & Pinion
15. The that has a handle because of a motoe or person turning it.
Hydraulic lift
Gear
Driving gear
Lever
16. 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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17. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Fulcrum
Gear
Idler Gear
Input work
18. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Ratio
Efficiency
Joules
Load
19. The distance between adjacent threads in a screw.
Class 3 lever
Pitch
Sprocket
Inverse
20. The ability to do work.
Radius
Energy
Fixed pulley
Potential energy
21. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Energy
Block and tackle
Transmission
Rack & Pinion
22. A lever in which the fulcrum is between the effort and load.
Rotary Motion
Bevel Gear
Class 1 lever
Pneumatic systems
23. One of a pair of gears used to connect two shafts whose axes intersect.
Simple Gear Train
Pascal's law
Class 2 lever
Bevel Gear
24. The force acting perpendicular to a certain surface area.
Gear
Reciprocating
Efficiency
Pressure
25. A back and forth movement.
Pulley
Winch
Speed ratio
Reciprocating
26. The application of force that moves an object a certain distance.
Oscillate
Fulcrum
Carpal Tunnel Syndrome
Work
27. A threaded shaft used to convert rotary movement to linear movement.
Crank & Slider
Oscillate
Lead Screw
Ergonomics
28. Circular movement.
Driven Gear
Reciprocating
Rotary Motion
Idler Gear
29. The member of a pair of gears to which motion and power are transmitted by the other. The output gear.
Mechanical advantage
Driven Gear
Subsystems
Drive Gear
30. A gear between the driver and the driven gear used to change rotational direction.
Inverse
Speed ratio
Output work
Idler Gear
31. A push or pull on an object.
Force
Driven Gear
Radius
Class 3 lever
32. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Pneumatic systems
Mechanical advantage
Wheel and axle
Belt and Pulley
33. The gear being turned buy the driver gear
Gear
Lever
Driven Gear
Pascal's law
34. A twisting force.
Pascal's law
Torque
Valve
Newtons
35. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Energy
Driven Gear
Block and tackle
Pitch
36. 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.
Belt and Pulley
Efficiency
Speed ratio
Drive Gear
37. A system having a boundary that separates it from it surroundings.
Winch
Closed system
Driven Gear
Force
38. 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.
Gear Ratio
Efficiency
Worm & Wheel
Speed ratio
39. 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
Drive Gear
Class 1 lever
Lever
40. A device used to regulate the flow of a liquid in a hydraulic system.
Wheel and axle
Gear Ratio
Force
Valve
41. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Winch
Oscillate
Pulley
Mechanical advantage
42. The point of the lever that does not move.
Fulcrum
Input work
Rack & Pinion
Force
43. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Ratio
Kinect energy
Belt and Pulley
Joules
44. The distance in a strait line from the center of a circle to the circle circumference
Potential energy
Radius
Fixed pulley
Output
45. The gear which transmits power and motion to the rest of the system. The input gear.
Driven Gear
Simple Gear Train
Lead Screw
Drive Gear
46. A pulley supported by attachment to something that does not move - such as a ceiling - wall - or tree.
Fulcrum
Hydraulic lift
Fixed pulley
Mechanical advantage
47. The part of a machine which contains two or more pieces arranged so that the motion of one compels the motion of the others.
Lever
Gear
Mechanism
Subsystems
48. A way to measure stuff.
Newtons
Efficiency
Pascal's law
Block and tackle
49. A lever in which the effort is applied between the fulcrum and the load.
Class 3 lever
Closed system
Reciprocating
Input
50. Measurement for work
Simple Gear Train
Newtons
Joules
Cam & Follower