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MECHATRONICS 1 EXAM STUDY GUIDE COMPLEX SOLUTIONS
1. Properly soldered joints have blank to electrical current: Low resistance
2. Anything that opposes the flow of electrons is called: Resistance
3. Rubber and plastic are examples of: Insulators
4. Voltage is often referred to by the letter E. What does the E stand for?: Electro- motive force
5. The difference in voltage between two sides of a device is called: Voltage drop
6. The main factor that determines the outcome of an electrical shock is the: -
Amount of current
7. Electrical equipment and lines should be considered blank until determined otherwise:
Energized
8. The major cause of death from electrical shock is: Fibrillation of the heart
9. A value that allows fluid flow in one direction but stops it in the opposite direction
is
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A. Pressure valve
B. Hydraulic valve
C. Fluid valve
D. None of the above: D. None of the above
10. When using a straight ladder, the side rails should extend at blank above the
top support point: 3 feet
11. The main requirement for an employee to enter a confined space is to: Be trained
in confined space entry procedures
12. What voltage is considered high voltage?: 600 volts or more
13. If a worker gets a caustic chemical in his or her eyes, what is the first action that
should be taken?: Flush eyes with water
14. Which of the following is an example of the retrieval device?: Harness
15. Which of the following is a true statement?: You must be evaluated by a physician, fitted and,
thoroughly instructed in the use of respiratory protective devices if you are required to use them.
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19. After the hazard review is completed, blank determines the classification of a
confined pace as a non-permit or permit-required confined space.: The supervisor and project/safety managers
20. What is the formula for solving Ohm's Law?: E = I x R
21. A mechanical unit of measure equal to the force required to move 550 lbs, 1 ft In
1 second is: Horsepower
22. Any pressure less than atmospheric pressure is: Vacuum
23. The amount of pressure above the existing atmospheric pressure and is used to
measure pressure inside a closed fluid power system is blank pres- sure: Gauge
24. The pressure created by the weight of the atmosphere at sea level under standard
air conditions is blank pressure: Atmospheric
25. The force that stops, slows, or restricts the movement of a fluid or devices in a
fluid power system is: Resistance
26. An blank is a negatively charged particle that orbits the nucleus of an atom:
Electron
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27. A blank consist of two or more cells and converts chemical energy into
electrical energy: Battery
28. The basic unit of measurement of electrical power is the: Watt
29. Which of the following is an example of a physical hazard?: A hopper containing salt
30. The resistance in a circuit with 60 volts and 10 amps is
A. 8 ohms
B. 6.6 ohms
C. 5 ohms
D. None of the above: D. None of the above
31. The POWER in a circuit with 12 volts and 5 amps is: 60 watts
32. The quantity that Ohm's Law DOES NOT express a relationship for in an
electrical circuit is: Charge
33. An blank is complete path for current flow: Circuit
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B. Large
C. Wide
D. None of the above: D. None of the above
40. A test tool used to measure two or more electrical values- principally volt- age
(volts), current (amps), and resistance (ohms) is called an: Digital multimeter
41. A device used to protect a circuit or electrical device from excessive current;
operate by melting a metal link when current becomes excessive is called an.
A. Surge protector. B. Amplifier. C. Ohmmeter: None of the above
42. The pressure differential between any two points in a hydraulic system or
component is: Pressure drop
43. The useful amount of output energy from a system compared to the amount
of input energy is called the A. Fluid power B. Hydraulic and pneu- matic system. C. Fluid power system output: None of the above
44. The resistance to movement between two mating surfaces is called: Friction
45. The flow of electrons in an electrical circuit; measure in amps ( A ) is: Current
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46. Materials that permits/allows current flow easily are: Conductors
47. A mechanical device used for moving or controlling movement of a load is an:
Actuator
48. Two rules of a series circuit are: All resistance adds up to be total resistance; any open circuit affects all
loads
49. Which of the following is a true statement about parallel circuits?: Source voltage is the
same at each branch
50. Blank is the process of attaching a danger tag to the source of power to indicate
that the equipment may not be operated until the tag is removed: Tag out
