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nicollexo21
28.08.2020 •
Physics
Velocity head is the mechanical energy of a fluid per unit weight of the fluid measured relative to the bottom of the channel.
a. True
b. False
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Ответ:
b. False
Explanation:
The Bernoulli's equation is given by;
Divide through by the density of the fluid and acceleration due to gravity (ρg), to obtain energy per unit weight of the fluid known as head;
where;
h is datum head (mechanical energy due to height of the fluid)
Thus, the mechanical energy of a fluid per unit weight of the fluid, measured relative to the bottom of the channel is datum head.
The correct option is "b. False"
Ответ:
The arrow in a chemical reaction can be translated as the following:
A. yields
C. react to form