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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 machine consisting of a small cylinder - a crank or handle - on a cable. Winch can be used to lift or pull things
Simple Gear Train
Winch
Crown & Pinion
Oscillate
2. A combination of fixed and movable pulleys - may be used to list very heavy or awkward loads.
Belt and Pulley
Radius
Block and tackle
Ergonomics
3. Acts on a certain area.
Ergonomics
Force
Potential energy
Simple Gear Train
4. A common workplace disorder causing numbness and pain in the thumb and first three finger.
Carpal Tunnel Syndrome
Mechanism
Class 2 lever
Ergonomics
5. The gear which transmits power and motion to the rest of the system. The input gear.
Gear Ratio
Fulcrum
Drive Gear
Inverse
6. 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.
Hydraulic lift
Force
Pulley
Linear Motion
7. The transmission of power between shafts by means of a belt connecting pulleys on the shafts.
Simple Gear Train
Belt and Pulley
Valve
Block and tackle
8. The that has a handle because of a motoe or person turning it.
Pulley
Hydraulic lift
Driving gear
Driven Gear
9. A threaded shaft used to convert rotary movement to linear movement.
Rotary Motion
Mechanism
Class 2 lever
Lead Screw
10. A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts.
Gear
Hydraulic lift
Rotary Motion
Fulcrum
11. A small cogwheel that engages or is engaged by a larger cogwheel.
Closed system
Oscillate
Input work
Crown & Pinion
12. A machine consisting of two turning objects attached to each other at thier centers. One object to turn
Wheel and axle
Lever
Joules
Potential energy
13. The distance between adjacent threads in a screw.
Work
Driven Gear
Gear Ratio
Pitch
14. 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
Pascal's law
Wheel and axle
Torque
15. Measurement for work
Driven Gear
Joules
Block and tackle
Energy
16. Stored energy
Gear
Lever
Work
Potential energy
17. A gear between the driver and the driven gear used to change rotational direction.
Linear Motion
Work
Idler Gear
Driven Gear
18. A machine used for raising or moving liquids.
Efficiency
Force
Pulley
Pumps
19. A pivot pin near the outside edge of a wheel or disk that changes reciprocating motion into rotary motion.
Lead Screw
Crank & Slider
Output work
Work
20. A rotating gear that meshes with a bar that has gear teeth along its length. Changes rotating motion into linear motion.
Rack & Pinion
Carpal Tunnel Syndrome
Belt and Pulley
Wheel and axle
21. A lever in which the fulcrum is between the effort and load.
Driven Gear
Class 1 lever
Closed system
Pulley
22. 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.
Efficiency
Load
Bevel Gear
Torque
23. The force acting perpendicular to a certain surface area.
Pressure
Oscillate
Input
Winch
24. The work done by a machine as the output force acts through the output distance
Potential energy
Lead Screw
Output work
Kinect energy
25. A mechanical system that uses a liquid under pressure in a close system to raise heavy objects.
Hydraulic lift
Closed system
Lead Screw
Speed ratio
26. A twisting force.
Torque
Closed system
Hydraulic lift
Mechanism
27. The ratio of the force produced by a machine or system (the load) to the force applied to the machine or system.
Pitch
Mechanical advantage
Inverse
Belt and Pulley
28. A joint that allows connected shafts to spin freely while permitting a change in direction.
Class 1 lever
Universal Joint
Transmission
Gear
29. The science of designing gone or work environments that best suit the human body in it various dimensions.
Ergonomics
Work
Joules
Mechanical advantage
30. The work done on a machine as the input force acts through the input distance
Input work
Fixed pulley
Rack & Pinion
Universal Joint
31. Energy is transferred from one plan to another - and no energy is changed or converted.
Class 1 lever
Winch
Pulley
Transmission
32. The gear being turned buy the driver gear
Transmission
Driven Gear
Pulley
Drive Gear
33. A rotating wheel- like device with teeth around the rim.
Pumps
Pneumatic systems
Lead Screw
Gear
34. A pear- shaped disk with an off- center pivot point - used to change rotating motion into reciprocating motion.
Cam & Follower
Input
Carpal Tunnel Syndrome
Pressure
35. A swing back and forth at a regular rate.
Oscillate
Output
Crown & Pinion
Block and tackle
36. Circular movement.
Valve
Kinect energy
Rotary Motion
Class 1 lever
37. Something put into a system - such as resources - in order to achieve a result.
Input
Compound pulley
Pulley
Work
38. A system in which a gas - such as air - transmits a force exerted on gas in an enclosed space.
Rotary Motion
Pitch
Pneumatic systems
Pumps
39. Work= force x distance
Ratio
Pulley
Work
Block and tackle
40. A device used to regulate the flow of a liquid in a hydraulic system.
Valve
Mechanism
Simple Gear Train
Compound pulley
41. The point of the lever that does not move.
Ergonomics
Fixed pulley
Force
Fulcrum
42. The weight of an object that is is moved or lifted by a machine - or resistance to movement that a machine must overcome
Mechanical advantage
Output work
Load
Simple Gear Train
43. A secondary or subordinate system that is part if a larger system.
Oscillate
Rotary Motion
Subsystems
Input work
44. A back and forth movement.
Reciprocating
Subsystems
Valve
Work
45. 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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46. A lever in which the effort is applied between the fulcrum and the load.
Radius
Input
Pneumatic systems
Class 3 lever
47. A gear with teeth that fits into the links of a chain.
Sprocket
Block and tackle
Idler Gear
Class 1 lever
48. A system having a boundary that separates it from it surroundings.
Ratio
Pumps
Closed system
Pitch
49. A way to measure stuff.
Simple Gear Train
Block and tackle
Fixed pulley
Newtons
50. The application of force that moves an object a certain distance.
Output
Work
Transmission
Lead Screw