Answer:
3A
Explanation:
Using Ohms law U=I×R solve for I by I=U/R
In the formula shown, k is a correction factor for nonideal mixing. In the worst case, k is usually estimated to be:_______. Cpp
1 answer:
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To solve this problem it is necessary to apply the concepts related to temperature stagnation and adiabatic pressure in a system.
The stagnation temperature can be defined as
Where
T = Static temperature
V = Velocity of Fluid
Specific Heat
Re-arrange to find the static temperature we have that
Now the pressure of helium by using the Adiabatic pressure temperature is
Where,
= Stagnation pressure of the fluid
k = Specific heat ratio
Replacing we have that
Therefore the static temperature of air at given conditions is 72.88K and the static pressure is 0.399Mpa
<em>Note: I took the exactly temperature of 400 ° C the equivalent of 673.15K. The approach given in the 600K statement could be inaccurate.</em>
Answer:
aluminum bar carrying a higher load than steel bar
Explanation:
Given data;
steel abr
diameter = 5 mm
stress = 500 MPa
aluminium bar
diameter = 10 mm
stress = 150 MPa
we know
stress = laod/area
for steel bar
solving for P
P = 9817.47 N
for Aluminium bar
solving for P
P = 11790 N
aluminum bar carrying a higher load than steel bar
Answer:
a) t = 165 days
b) 9.9 kg/day
Explanation:
Given data:
final lelvel of BOD is 20 mg/l
Ks = 100 mg BOD/L,
kd = 0.10 day-1 ,
μm = 1.6 day-1 ,
Y = 0.60 mg SS/mg BOD
a) we know that
solving for t
t = 165 days
b) mass of microbes