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Mechanical Engineering
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Mechanical Engineering
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25 Questions

1. Force x Distance

2. Weight/Time

3. Result of gravity acting on mass -The greater the mass - the greater the weight -Is a force -Units: lbs - N

4. Two stroke- Four Stroke- Diesel-Rotary -Hybrid

5. Modern Technology- More efficient-Better Cooling-Easier to service- longer life - lither weight- More expensive

6. Can be applied:-By direct contact: push - pull - twist -At a distance: gravity - magnetism Can change: speed - direction - shape - units of force

7. Mechanics is an application of math that describes how forces affect a body

8. When the fluid is in motion

9. Ignition - power stroke

10. When fluid is at rest

11. Three- dimensional property measured in units of length times length times length =length x width x height

12. If the force needed to operate the machine (input force) is less than the force being opposed or the load being moved (output force) -The ratio of the output force divided by the input force -If the number is greater than one - there is a mechanical

13. Compression of fuel mix

14. Compression-Tension-Shear

15. Derived from - or composed of - base dimensions i.e. Area (length x width) - Weight (mass x acceleration) - velocity (length/time)

16. Used in cars -2 rotations of crankshaft -4 strokes (down - up - down - up) of piston - i.e. cars - trucks - planes - buses - motorcycles - submarine -1% of gas actually moves people

17. (pi) x (radius)^2

18. The force simple machines use to do work on a single load or against a single force

19. The designing of machines that contribute to society and our quality of life - Mechanical engineers apply the principles of mathematics - chemistry - and physics to solve real- world problems

20. Allows comparison between different measuring systems and units - Necessary to market internationally

21. Brake pedal and linkage - Master Cylinder - Wheel cylinders (4) - Hydraulic lines - Hydraulic fluid - Mechanical advantage is provided by the foot pedal to the booster (level) - A greater force is applied on the wheel cylinders than on the brake peda

22. A pull on an object

23. (Force)(Distance)/Seconds

24. Work/force or vertical distance/sloping distance

25. A flat - sloping surface -The only simple machine that does not move -The force is applied to the ramp - since this is the direction the load weight is moved -Sloping side is longer than vertical side -Less force is required to accomplish the same am

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