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  • Ben W
    replied to continuity equation
    The sides of a stream tube are, of course, parallel...a tube without a constriction.

    Bernoulli's discovery about what happens to the flow in a venturi is that total energy remains constant, in a situation when no energy is being added, or removed.
    But, in QID 811300, things are different....we're...
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  • Where did you get this question from? Is it somebody's memory of what they saw in an exam? As written here, the wording is so muddled and meaningless that it can't be a full, accurate representation of a real exam question.
    It appears to be based on the changes that take place when an airflow...
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  • Ben W
    replied to Id: 810387
    Question 810387 is quite an old one and it's very poorly worded. I'd expect it to be more clearly worded in the modern exams, so I'll improve the question in our bank to reflect that.

    The first line of the paragraph in the BGS manual is correct......you need both swept wings AND a T-tail...
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  • Ben W
    replied to Effect of Temperature
    I agree with you, Mauro. We'll change this paragraph at the first opportunity.

    Ben
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  • aviator_FXE, where and when did you sit your 90 question exam?

    BGS trains for the European exams where, as Tony says, the Met exam contains 84 questions.

    The UK exams continue to conform with European regulations.
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  • In the atmosphere, as we increase altitude the pressure decreases which will decrease the density. As you say, the temperature also decreases which will try to INCREASE the density. But the influence of the drop in pressure is very much more powerful. It wins this battle easily and so the actual density...
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Ben W
Ben W
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Last Activity: 17-01-2017, 21:51
Joined: 13-05-2014
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