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Life Skills
10th -
Professional Development
Mechatronics Mechanical Aptitude Test
26 questions
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- 1. Multiple Choice
What is the load on a dc motor?
The field current
The armature current
The mechanical device the motor moves
The total current drawn from the source
- 2. Multiple Choice
How can the direction of rotation be changed in a dc motor?
Only by reversing the field connections
Only by reversing the armature connections
By reversing both the armature connections and the field connections
By reversing either the armature connections or the field connections
- 3. Multiple Choice
Which of the following is not a part of a motor?
Stator
Rotor
Yoke
None of the above
- 4. Multiple Choice
Which of the following bolts are stronger?
Grade 2
Grade 5
Grade 8
None of the above
- 5. Multiple Choice
Which of the following is a common type of vise used for mechanical work?
pipe vise
bench vise
machine vise
All of the above
- 6. Multiple Choice
Mallet heads are constructed from which of the following materials?
Brass only
Plastics only
Rubber only
Brass, plastics, and rubber
- 7. Multiple Choice
What is the prime characteristic of aluminum?
Lightweight
Low melting point
Ease of fabrication
Corrosion-resistant properties
- 8. Multiple Choice
If bar Y moves at a constant speed to the left, how does bar X move?
Left, Faster
Left, Same
Right, Same
Right, Slower
- 9. Multiple Choice
If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?
Counterclockwise Faster
Clockwise Slower
Clockwise Faster
Counterclockwise Same
- 10. Multiple Choice
If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?
Counterclockwise faster
Clockwise faster
Counterclockwise same
Clockwise same
- 11. Multiple Choice
In the circuit shown, how many switches need to be closed to light up one bulb?
One
Two
Three
None
- 12. Multiple Choice
Which tool is most suitable for breaking up concrete?
One
Two
Three
Four
- 13. Multiple Choice
Which combination of tools would be most useful for general woodworking?
4 and 2
3, 5, and 7
2, 4 and 6
4 and 7
- 14. Multiple Choice
If bulb 1 is removed, how many bulbs will light up when the switch is closed?
One
Two
Three
Four
- 15. Multiple Choice
Approximately how much force is needed to move the weight?
9 lbs
18 lbs
6 lbs
24 lbs
- 16. Multiple Choice
How far does B need to move to lift the weight up 6 feet?
3 ft
6 ft
12 ft
8 ft
- 17. Multiple Choice
If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?
Counterclockwise faster
Clockwise faster
Counterclockwise same
Clockwise same
- 18. Multiple Choice
If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?
Counterclockwise faster
Clockwise slower
Clockwise faster
Counterclockwise slower
- 19. Multiple Choice
What metal property allows a metal to carry heat or electricity?
Ductility
Fusibility
Conductivity
Malleability
- 20. Multiple Choice
What metal property allows a metal to be hammered, rolled, or pressed into various shapes without cracking or breaking?
Brittleness
Malleability
Ductility
Elasticity
- 21. Multiple Choice
What is the principal element added to copper to form brass?
Tin
Lead
Zinc
Aluminum
- 22. Multiple Choice
What device is designed to disconnect the engine from the power train?
Universal joint
Transfer case
Clutch
Differential
- 23. Multiple Choice
What is the primary goal of any safety program?
To place safety violators on report
To enhance operational readiness
To eliminate all accidents
To predict all accidents
- 24. Multiple Choice
What is the primary purpose of a mishap investigation?
To determine fault
To determine replacement cost
To determine the effects on operational readiness
To determine the causes and prevent recurrences
- 25. Multiple Choice
An internal combustion engine is a machine that
uses heat to create mechanical energy
converts heat energy to mechanical energy
converts mechanical energy to heat energy
use mechanical energy to create heat
- 26. Multiple Choice
What type of information is contained in Material Safety Data Sheets?
Material supply codes
Information about hazardous material
Material transfer dates
The age of the materials
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