Download Unit 5 Part 2 Study Guide 1. A slinky sitting still is an example of : A

Unit 5 Part 2 Study Guide
1. A slinky sitting still is an example of :
A. potential energy
B. kinetic energy
C. thermal energy
D. kinetic energy
2. A slinky in motion is an example of:
A. potential energy
B. kinetic energy
C. thermal energy
D. kinetic energy
3. In a power system, the conversion of an energy source into a load is:
A. a resource
B. a process
C. potential energy
D. nuclear
4. Fuel cells consume hydrogen and oxygen and emit only water while creating what type of power?
A. Hydrogen
B. Steam
C. Hydrocarbon
D. Electric
5. Energy cannot be created or destroyed, it can be _____ from one form to another.
A. optimized
B. converted
C. synthesized
D. communicated
6. What does LED stand for?
A. Light emitting diode
B. laser encoding device
C. Light encoding diode
D. Laser emitting diode
7. An electrical current is produced by:
A. Passing a coil of wire past a magnetic
B. Passing a coil of wire past a coil of wire
C. Passing a ceramic rod past magnetic
D. Passing a glass plate past a coiling wire
8. The most common storage for chemical energy is:
A. steel tubes
B. batteries
C. silos
D. wooden crates
9. Component in electronics that slows electron flow is:
A. resister
B. capacitor
C. transistor
D. battery
10. A battery provides electricity in the state of:
A. Alternating current
B. Direct current
C. Varying current
D. Exponential current
11. The unidirectional flow of electrical charge is known as:
A. Direct current
B. Alternating current
C. Varying current
D. Exponential current
12. Lake Mead, the lake behind Hover dam, is an example of what type of energy?
A. Potential energy
B. Kinetic energy
C. Mechanical energy
D. Electrical energy
13. The flow of electrons in a DC circuit travel from:
A. negative to positive
B. positive to negative
C. positive to electron
D. negative to electron
14. A ribbed metal attachment that dispenses heat from a device is called a:
A. transducer
B. heat sink
C. secondary cooling fan
D. air transmission system
15. In order to transfer electricity over long distances it must be first converted in to which state:
A. Alternating current
B. Direct current
C. Varying current
D. Exponential current
16. When the Lloyd family built their new home, they wanted a type of heating system unconventional from
traditional heating systems such as forced air. They opted to install the heat supply beneath the floor. The
effect is that the warmth is felt throughout the room without the feeling of moving air. This type of heat is
called:
A. Electrical
B. Nuclear
C. Radiant
D. Thermal
17. The governor is struggling with conflicting advice on whether to begin an evacuation that might affect
more than 500,000 people. Engineers fear that the reactor's fuel will melt out of its thick steel and cement
encasement, or that a hydrogen gas bubble in the core will explode. This scenario relates to a crisis regarding
which type of energy?
A. nuclear energy
B. molecular energy
C. mechanical energy
D. hydroelectric energy
18. Nuclear energy from uranium is a:
A. Non-renewable resource
B. renewable resource
C. fossil resource
D. sustainable resource
19. Your cell phone has a screen that has the acronym of LCD. What does LCD stand for?
A. Liquid Crystal Display
B. Light Crystal Dial
C. Light Color Display
D. Liquid Color Display
20. It is not possible to build an engine that does not exhaust what type of energy into the surrounding
environment?
A. Radiant
B. Thermal
C. Mechanical
D. Nano
21. Type of circuit that only has one path for electrons to flow.
A. Series Circuit
B. Parallel Circuit
C. Open Circuit
D. Short Circuit
22. The ratio of the output force (load) produced by a working force applied to the effort.
A. Mechanical Advantage
B. Efficiency
C. Work
D. Power
23. Materials like glass, dry wood, and rubber, are all examples of electrical:
A. insulators
B. semi-conductors
C. conductors
D. super-conductors
24. A new email in your inbox is an example of:
A. Input information
B. Process information
C. Sending information
D. Receiving information
25. Technologies that include inputs, processes, and outputs associated with sending and receiving
information is an example of :
A. biotechnologies
B. mechanical
C. communication
D. medical
26. Technological systems used for communication all have:
A. digital signals, wires, and electronics.
B. sensors, storage devices and information displays
C. inputs, processes, and outputs dealing with storage and transmission
D. human operators, networks, and satellites dealing with input and output
27. Which is an output device?
A. mouse
B. keyboard
C. microphone
D. monitor