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aleksklad [387]
3 years ago
11

The term variation describes the degree to which an object or idea differs from others of the same type or from a standard.

Engineering
2 answers:
DedPeter [7]3 years ago
8 0
The answer is true mainly because they function
AfilCa [17]3 years ago
5 0
The answer is true. Thank me later<3
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If a heat engine has an efficiency of 30% and its power output is 600 W, what is the rate of heat input from the combustion phas
jarptica [38.1K]

Answer:

The heat input from the combustion phase is 2000 watts.

Explanation:

The energy efficiency of the heat engine (\eta), no unit, is defined by this formula:

\eta = \frac{\dot W}{\dot Q} (1)

Where:

\dot Q - Heat input, in watts.

\dot W - Power output, in watts.

If we know that \dot W = 600\,W and \eta = 0.3, then the heat input from the combustion phase is:

\eta = \frac{\dot W}{\dot Q}

\dot Q = \frac{\dot W}{\eta}

\dot Q = \frac{600\,W}{0.3}

\dot Q = 2000\,W

The heat input from the combustion phase is 2000 watts.

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3 years ago
you have a permanent magnet whit remanent induction. than you cut a piec of that magnet. if you put that piece back into permane
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Yes, it will. The induction will be the same as long as it’s put back together.
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Fire extinguishers need to be checked _______ to make sure they are working properly.
Zepler [3.9K]

Answer:

Answer D

Explanation:

They need to be checked monthly

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2 years ago
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Explanation:

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Answer:

Explanation:

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2. It is an addictive design because even though the pros of being helpful to certain people it can also be addicting to the mind especially since it is a design where there endless amount of shows you can watch over and over again which that type of action can lead to addiction.

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