Find number abc
[7328] Find number abc - If 8b2a8 - cba60 = 29c18 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 9
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Find number abc

If 8b2a8 - cba60 = 29c18 find number abc. Multiple solutions may exist.
Correct answers: 9
#brainteasers #math
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Half-Fare Special

One of the airlines recently introduced a special half-fare rate for wives accompanying their husbands on business trips.
Anticipating some valuable testimonials, the publicity department of the airline sent out letters to all the wives of businessmen who used the special rates, asking how they enjoyed their trip.

Responses are still pouring in asking, "What trip?"        

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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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