GK: Quiz Questions

• Which variety of coal contains the highest percentage of carbon?
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• What is the main constituent of coal gas?
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• What is the process used to separate the different components of oil?
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• Where was the first oil well struck in the world?
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• A primary fuel is that which is used in the same form as it occurs in nature. Which of the following is not a primary fuel?
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• Breaking of a larger hydrocarbon molecule into a smaller one by heating in the presence of a catalyst is called?
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• he first step to getting output from a laser is to excite an active medium. What is this process called?
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• Once the active medium is excited, the first photons of light are produced by which physical process?
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• After the first photons of light are produced, which process is responsible for amplification of the light?
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• What was the active medium used in the first working laser ever constructed?
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• What are three types of lasers?
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• What is the process responsible for producing photons in a diode laser?
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• Some lasers are referred to as being “cw.” What does “cw” mean?
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• What is cork made from?
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• What limits wines to an alcohol content of about 12%?
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