What is the minimum number of crewmembers needed when using laser plane equipment?
1 answer:
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Answer:
5.328Ibm/hr
Explanation:
Through laboratory tests, thermodynamic tables were developed, these allow to know all the thermodynamic properties of a substance (entropy, enthalpy, pressure, specific volume, internal energy etc ..)
through prior knowledge of two other properties such as pressure and temperature.
for this case we can define the following equation for mass flow using the first law of thermodynamics
where
Q=capacity of the radiator =5000btu/hr
m = mass flow
then using thermodynamic tables we found entalpy in state 1 and 2
h1(x=0.97, p=16psia)=1123btu/lbm
h2(x=0, p=16psia)=184.5btu/lbm
solving
Answer:
Current Relative Humidity is 29.623
Given:
Current Temperature,
Dew point temperature,
Solution:
Now, in order to calculate the Relative Humidity, RH, we use the given formula:
where
a = 17.625
b = 237.7
Now, using the above formula and given values:
On solving the above eqn, we get:
RH = 29.623