Which of these physical concepts is most important in civil engineering?
1 answer:
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Answer:
The answer to the question above is = 152.02 KJ/Kg
Explanation:
Given:
Temperature at first state, (T)= 500k
Temperature at second state, (T)= 500k
The above explains an isothermal process as a thermodynamic process,in which the temperature of the system remains constant
Pressure at first state, (p) = 10 bar
Pressure at second state, (p) = 2 bar
The heat transfer=
Qrev/m= T x [s(T) - s(T
) - R ㏑ (p
÷ p
)]
Isothermal means the temperature does not change, while Expansion means the volume has increased.
For the internal isothermal process:
Qrev/m= T x [- R ㏑ (p ÷ p
)]
= 500 x - (8.314 ÷ 44.01) x In (2 ÷ 10) = 152.02 KJ/Kg
Energy equation at turbine is for the internally reversible isothermal process is:
Q-w = m [( (V²- V
²) ÷ 2) + g ( Z
- Z
)]
where w= the most efficient work possible in J
Neglecting the effect of both potential and kinetic energy
(w/ m) = Qrev/ m
= 152.02 KJ/Kg
Answer:
Following are the solution to this question:
Explanation:
Whenever a chemical reaction occurs between water and cement the heat is released, and a (C-S-H gel) gel constructs gel is also recognized as "tobermorite gel."
This one gel acts like a pack of gum and also has a cement quality, that holds its particles intact and therefore contributes to the overall compression mix. An increase in supply explicitly causes the movement in the outcome of power. C3S and C2S are both the compounds of Bouge that produce hydration C-S-H gel.
It mixture must be balanced as with C-S-H gel also is given as a byproduct. It
, that cause sudden with sulphate and form
, is an unacceptable substance. Sulfate attack or later deterioration of its cement is caused by this
.
All C3S and C2S generate various amounts of C-S-H gel so, the required strength can be maintained without compromising on real term durability.