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