Part A Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or fa
2 answers:
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Answer:
The head loss in Psi is 0.390625 psi.
Explanation:
Fluid looses energy in the form of head loss. Fluid looses energy in the form of head loss when passes through the valve as well.
Given:
Factor cv is 48.
Flow rate of water is 30 GPM.
GPM means gallon per minute.
Calculation:
Step1
Expression for head loss for the water is given as follows:
Here, cv is valve coefficient, Q is flow rate in GPM and h is head loss is psi.
Step2
Substitute 48 for cv and 30 for Q in above equation as follows:
h = 0.390625 psi.
Thus, the head loss in Psi is 0.390625 psi.
Answer:
Explanation:
The turbine is modelled after the First Law of Thermodynamics:
The work done by the turbine is:
The properties of the water are obtained from property tables:
Inlet (Superheated Steam)
Outlet (Superheated Steam)
The work output is: