Practice Quiz

MTEL Technology and Engineering - Question List

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56.
A sound is traveling through a gas. Which of the following changes would most likely cause an increase in the speed of the sound?
  1. A. Reducing the frequency of the sound.
  2. Replacing the gas with a more dense gas.
  3. Raising the temperature of the gas
  4. Increasing the amplitude of the sound.
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57.
Which of the following is most likely to cause a refraction of sound waves as they travel across an open outdoor area?
  1. Rainfall.
  2. Moving air.
  3. Regions of sun and shade.
  4. Temperature differences.
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58.
Which of the following best describes the function of a laser in a laser printer?
  1. Fusing carbon particles to each other.
  2. Detecting the ink on the original document.
  3. Changing an electrostatic charge.
  4. Heating the paper to a specified temperature.
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59.
Which of the following is a primary color for pigment?
  1. Orange
  2. Yellow
  3. Green
  4. Black
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60.
A person places a pencil in a glass of water and notices that the pencil appears to bend at the point of entry into the water. This illusion occurs primarily because:
  1. Light behaves as either a wave or a particle depending on the medium.
  2. Some media absorb more light than others.
  3. Eyes process light differently depending on the medium observed.
  4. Light travels at different speeds in different media.
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