Test your basic knowledge |

Mechanical Systems 3

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 bevel gear is used to connect what?
Count the number of parts of the rope going to and from the movable block.
A modification of an inclined plane.
Shafts lying at any given angle.
Foot- pounds

2. How do you measure power?
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle
In Horsepower.
Find the resistance weight and divide that by the effort you need to lift the weight. M.A=R/E - This rule applies to all machines.
45

3. How is work done?
Effort arm/Resistance arm - A/a - An expression of the ratio of the applied force and the resistance.
Door knob.
When a resistance is overcome by a force acting through a measurable distance.
Direction - speed or size of the force applied.

4. What type of lever provides a fractional mechanical advantage?
A modification of an inclined plane.
Same.
1
Third class lever.

5. What is the work formula?
Third class lever.
A screw and a spur gear.
Power=Work/Time
Work=Force*Distance

6. How is distance measured in work?
2(pie)/pitch
A modification of an inclined plane.
Third class lever.
Feet.

7. What is the lever formula?
Gravity - Magnetism - Friction - Recoil
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.
Simple machine
Work=Force*Distance

8. How do you find the mechanical advantage?
Find the resistance weight and divide that by the effort you need to lift the weight. M.A=R/E - This rule applies to all machines.
A screw and a spur gear.
With oil - grease or soap.
Less than 1.

9. What direction does the effort and resistance move in first class levers?
Opposite.
Work=Force*Distance
Find the resistance weight and divide that by the effort you need to lift the weight. M.A=R/E - This rule applies to all machines.
Mechanical disadvantage. Use more force than the force of the load you lift.

10. What is another example of a wheel and axle?
The rope that passes through your hands is greater than the distance that the load is raised.
The change of the direction of the pull.
To speed up the motion of resistence.
Door knob.

11. What is the jack screw used for?
Work=Force*Distance
To raise a house or other heavy machinery.
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle
your arm.

12. What is one type of second class lever?
To raise a house or other heavy machinery.
Wheel and axle.
1
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle

13. What is the power formula?
Same.
Door knob.
Power=Work/Time
The force used to overcome friction is greater than the force used to do useful work.

14. What is the theoretical mechanical advantage of any gear train?
The force used to overcome friction is greater than the force used to do useful work.
A modification of an inclined plane.
Product of the number of teeth on the driven gears/ divided by the product of the number of teeth on the driver gears.
Mechanical disadvantage. Use more force than the force of the load you lift.

15. Fractional mechanical advantage
Mechanical disadvantage. Use more force than the force of the load you lift.
To speed up the motion of resistence.
Count the number of parts of the rope going to and from the movable block.
Product of the number of teeth on each of the driver gears/ divided by the product of number of teeth of the driven gear.

16. The worm gear is a combination of what?
A screw and a spur gear.
Shafts lying at any given angle.
45
Opposite.

17. What is the formula for the mechanical advantage of a screw?
Work=Force*Distance
2(pie)/pitch
In pounds.
fulcrum- weight- effort

18. The threads of a screw are cut so?
The force used to overcome friction is greater than the force used to do useful work.
Wheel and axle.
The change of the direction of the pull.
With oil - grease or soap.

19. What is the second thing a gear can do?
Two surfaces move against one another.
Increase or decrease the the speed of the applied motion.
32/8 = 4
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.

20. What direction does the effort and resistance move in the second class levers?
Same.
Door knob.
In pounds.
Can change the direction of motion.

21. What is another way to find the mechanical advantage of an inclined plane?
Length of ramp/length of height from floor to truck
45
Power=Work/Time
Find the resistance weight and divide that by the effort you need to lift the weight. M.A=R/E - This rule applies to all machines.

22. What is an example of a third class lever?
Product of the number of teeth on each of the driver gears/ divided by the product of number of teeth of the driven gear.
your arm.
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.
2. Each half of the rope carries an equal amount of weight.

23. An egg beater has a mechanical advantage of what?
When a resistance is overcome by a force acting through a measurable distance.
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle
Can change the direction of motion.
Less than 1.

24. A miter gear connects what?
Mechanical disadvantage. Use more force than the force of the load you lift.
Connects shafts having a 90 degree angle.
Power=Work/Time
Find the resistance weight and divide that by the effort you need to lift the weight. M.A=R/E - This rule applies to all machines.

25. What is the ratio of any gear train?
Two surfaces move against one another.
Product of the number of teeth on each of the driver gears/ divided by the product of number of teeth of the driven gear.
Opposite.
Third class lever.

26. What kind of machine is the inclined plane?
A few thousandths of an inch.
Simple machine
A modification of an inclined plane.
Less than 1.

27. What kind of mechanical advantage does the first and second class lever provide?
A screw and a spur gear.
Power=Work/Time
Positive mechanical advantage.
Simple machine

28. What is the formula for the wheel and axle?
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle
Positive mechanical advantage.
32/8 = 4

29. How can you figure out the mechanical advantage of most block and falls by glance?
Count the number of parts of the rope going to and from the movable block.
2(pie)/pitch
Positive mechanical advantage.
The change of the direction of the pull.

30. With a single fixed sheave what is the only mechanical advantage?
Opposite.
A few thousandths of an inch.
The change of the direction of the pull.
45

31. For Blocks and falls if you are getting a mechanical advantage what is the distance of your pull and the weights?
A screw and a spur gear.
A few thousandths of an inch.
Opposite.
The rope that passes through your hands is greater than the distance that the load is raised.

32. The miter gear faces are beveled at what angle?
45
A modification of an inclined plane.
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.
With oil - grease or soap.

33. What is the mechanical advantage of a single movable block?
Feet.
Equals the weight of the object being hoisted.
When a resistance is overcome by a force acting through a measurable distance.
2. Each half of the rope carries an equal amount of weight.

34. Work is measured in units also known as?
Door knob.
Foot- pounds
Work=Force*Distance
A modification of an inclined plane.

35. Formula for fractional mechanical disadvantage.
Effort arm/Resistance arm - A/a - An expression of the ratio of the applied force and the resistance.
32/8 = 4
Direction - speed or size of the force applied.
Increase or decrease the the speed of the applied motion.

36. What are first and third class levers used for?
Shafts lying at any given angle.
Power=Work/Time
To magnify the applied force.
The force used to overcome friction is greater than the force used to do useful work.

37. What is the mechanical advantage for a single fixed block?
Magnify or reduce the force which you apply.
Opposite.
L=radius of the circle where the handle turns/l=1/2 the width of the edge of the blade = R=force of resistance offered by the screw/E=effort applied by the handle
1

38. Friction is involved when?
Power=Work/Time
In Horsepower.
A modification of an inclined plane.
Two surfaces move against one another.

39. How is force measured in work?
In pounds.
Gravity - Magnetism - Friction - Recoil
With oil - grease or soap.
In Horsepower.

40. Class two lever
fulcrum- weight- effort
45
Gravity - Magnetism - Friction - Recoil
In pounds.

41. What are the 4 forces?
Effort arm/Resistance arm - A/a - An expression of the ratio of the applied force and the resistance.
Opposite.
Gravity - Magnetism - Friction - Recoil
To speed up the motion of resistence.

42. Gears can do a job for you by changing what three things?
Direction - speed or size of the force applied.
Product of the number of teeth on each of the driver gears/ divided by the product of number of teeth of the driven gear.
32/8 = 4
A few thousandths of an inch.

43. What is the first thing a gear can do?
When a resistance is overcome by a force acting through a measurable distance.
2. Each half of the rope carries an equal amount of weight.
In pounds.
Can change the direction of motion.

44. What does a micrometer measure?
Length of ramp/length of height from floor to truck
2. Each half of the rope carries an equal amount of weight.
Magnify or reduce the force which you apply.
A few thousandths of an inch.

45. Belt drive Gear 1 has 32 teeth and gear 2 and 3 have 8 teeth - for 1 revolution that gear 1 makes how many revolutions do gears 2 and 3 make?
L/l=R/E Length of effort arm divided by length of resistance arm divided by weight of resistance divided by Effort.
Gravity - Magnetism - Friction - Recoil
32/8 = 4
Less than 1.

46. hat is a screw?
Power=Work/Time
Less than 1.
Wheel and axle.
A modification of an inclined plane.

47. What direction does the effort and resistance move in third class levers.
Positive mechanical advantage.
Same.
Mechanical disadvantage. Use more force than the force of the load you lift.
Less than 1.

48. What is the third thing a gear can do?
32/8 = 4
Opposite.
Magnify or reduce the force which you apply.
Feet.

49. With a single fixed sheave on a block and tackle what must the force of your down pull equal?
Effort arm/Resistance arm - A/a - An expression of the ratio of the applied force and the resistance.
In pounds.
A modification of an inclined plane.
Equals the weight of the object being hoisted.

50. How can you decrease friction on flat surfaces?
2. Each half of the rope carries an equal amount of weight.
The force used to overcome friction is greater than the force used to do useful work.
Feet.
With oil - grease or soap.

Search BasicVersity Tests

Browse BasicVersity

3d Computer Modeling
Study | Quiz | Subjects: it-skills, multimedia | Questions: 150+
Actionscript
Study | Quiz | Subjects: it-skills, multimedia | Questions: 10+
Adobe Flash
Study | Quiz | Subjects: it-skills, multimedia, flash | Questions: 50+
Adobe Illustrator
Study | Quiz | Subjects: it-skills, multimedia | Questions: 100+
Adobe Illustrator Shortcuts
Study | Quiz | Subject: it-skills | Questions: 50+
Adobe Indesign Publishing
Study | Quiz | Subject: it-skills | Questions: 150+
Adobe Photoshop CS 2 - CS 3
Study | Quiz | Subject: it-skills | Questions: 70+
Adobe Photoshop CS 5
Study | Quiz | Subject: it-skills | Questions: 140+
Adobe Photoshop CS 5 Keyboard Shortcuts
Study | Quiz | Subject: it-skills | Questions: 170+
Adobe Photoshop Graphic Design
Study | Quiz | Subject: it-skills | Questions: 100+
Adobe Photoshop Tools And Commands
Study | Quiz | Subject: it-skills | Questions: 110+
Adobe Premiere Keyboard Shortcuts
Study | Quiz | Subject: it-skills | Questions: 50+
Adobe Premiere Pro
Study | Quiz | Subject: it-skills | Questions: 50+
After Effects Keyboard Shortcuts
Study | Quiz | Subject: it-skills | Questions: 170+
Agile Development
Study | Quiz | Subject: it-skills | Questions: 50+
Agile Scrum Methodology
Study | Quiz | Subject: it-skills | Questions: 10+
Ajax
Study | Quiz | Subject: it-skills | Questions: 30+
Android Programming
Study | Quiz | Subject: it-skills | Questions: 130+
Animation
Study | Quiz | Subject: it-skills | Questions: 60+
Asp.net Programming
Study | Quiz | Subject: it-skills | Questions: 100+

1 of 109 pages [Next] [Last Page]

Test your basic knowledge |

Mechanical Systems 3

Search BasicVersity Tests

Browse BasicVersity

3d Computer Modeling

Actionscript

Adobe Flash

Adobe Illustrator

Adobe Illustrator Shortcuts

Adobe Indesign Publishing

Adobe Photoshop CS 2 - CS 3

Adobe Photoshop CS 5

Adobe Photoshop CS 5 Keyboard Shortcuts

Adobe Photoshop Graphic Design

Adobe Photoshop Tools And Commands

Adobe Premiere Keyboard Shortcuts

Adobe Premiere Pro

After Effects Keyboard Shortcuts

Agile Development

Agile Scrum Methodology

Ajax

Android Programming

Animation

Asp.net Programming