I go in hard. I come out sof...
[3125] I go in hard. I come out sof... - I go in hard. I come out soft. You blow me hard. What am I? - #brainteasers #riddles - Correct Answers: 50 - The first user who solved this task is Sanja Šabović
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I go in hard. I come out sof...

I go in hard. I come out soft. You blow me hard. What am I?
Correct answers: 50
The first user who solved this task is Sanja Šabović.
#brainteasers #riddles
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The secret of my success

Grandpa was celebrating his 100th birthday and everybody complimented him on how athletic and well-preserved he appeared.

"Gentlemen, I will tell you the secret of my success," he cackled. "I have been in the open air day after day for some 75 years now."

The celebrants were impressed and asked how he managed to keep up his rigorous fitness regime.

"Well, you see my wife and I were married 75 years ago. On our wedding night, we made a solemn pledge. Whenever we had a fight, the one who was proved wrong would go outside and take a walk."

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Hydrogen-cooled generator

In 1941, the first hydrogen-cooled electrical generator for outdoor installation in the U.S. was put into operation. Built by the General Electric Company for the city of Glendale, Cal., it was rated 20,000 kW and cost $391,669. It was mounted on an open deck. (The first GE-built, hydrogen-cooled indoor generator started operation started on 12 Oct 1937). In modern hydrogen-cooled turbo-generators, hydrogen is used as a coolant fluid. The stator core is direct cooled with hydrogen, for example, at a pressure of 3-6 bar. The advantage of hydrogen is a high thermal conductivity and lower friction than air-cooled generators, thus more efficient operation, lower fuel consumption, highest output capacity, and lowest operating cost.*
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