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Which of the following is NOT a characteristic of hazardous waste
1 answer:
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Answer:
The mass composition of ∝ ferrite is 88.94%.
The mass composition of cementite is 11.05%.
Explanation:
Given that
T=726 °C
We have to find the mass fractions of ferrite nad cementite in pearlite.
Lets take data from ideal Iron -carbon diagram at 726 °C
Composition of ∝ ferrite=0.022 5
Composition of pearlite =0.76 %
Composition of cementite =7.6%
We know that if we want to find the mass fraction the we use Lever rule .So now by using lever rule
So the mass composition of ∝ ferrite is 88.94%.
So the mass composition of cementite is 11.05%.
Answer:
The rate of heat transfer from both sides of the plate to the air is 240 W
Explanation:
Given;
area of the flat plate = 0.2 m × 0.2 m = 0.04 m²
velocity of atmospheric air stream, v = 40 m/s
drag force, F = 0.075 N
The rate of heat transfer from both sides of the plate to the air:
q = 2 [h'(A)(Ts -T∞)]
where;
h' is heat transfer coefficient obtained from Chilton-Colburn analogy
Properties of air at 70°C and 1 atm:
ρ = 1.018 kg/m³, cp = 1009 J/kg.K, Pr = 0.7, v = 20.22 x 10⁻⁶ m²/s
Finally;
q = 2 [ 30(0.04)(120 - 20) ]
q = 240 W
Therefore, the rate of heat transfer from both sides of the plate to the air is 240 W
Answer:
The vertical force, F = 19.9 lb.
Explanation:
