Steam enters a condenser at 35C[P%3Dsat @ 35°C42.21 mm of Hg]. Barometer reading is 760 mmof Hg and vacuum of 690 mm Hg is recorded inthe condenser. The vacuum efficiency will begiven by:(а) 86.01%(c) 96.10%(b) 82.30%(d) 80.23%

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Answered: Steam enters a condenser at 35 C [P %3D…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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QUICKLY AND CORRECTLY PLEASE While the pressure remains constant at 100 psia the volume of a system of air changes from 20 ft3 to 10 ft3 . What are (a) change of internal energy (or ∆U) in Btu, (b) the heat transfer (or Q) in Btu, (c) the nonflow work (or Wn) in Btu.
Please help to solve complete solution.
In water steam table: p=450 kPa. T=100 C , the specific volume (m3/kg) and condition description are:
Q 2. Air at 400°C and 1.7 bar flows through a horizontal 8.2-cm ID pipe at a velocity of 50.0 m/s. I. Calculate Ék (W)? Assuming ideal gas behavior and Mol.Wt (Air)=29 g/mol. I. If the air is cooled to 250°C at constant pressure, what is AER? III. Why would it be incorrect to say that the rate of transfer of heat to the gas must equal the rate of change of kinetic energy?
We give: AB: adiabatic trigger such as VB = 2 VA AC: isothermal compression PA =1bar=105 Pa , VA = 10^-2 m3 Gas temperature at point A: TA= 300 Kelvin Perfect gas constant: R = 8,31 J.mol-1.K-1 Molar thermal capacity at constant pressure:Cp = 29 J.mol-1.K-1 Calorific capacity ratio of this gas: Cp/Cv = 1,40 4 – Calculate the amount of QBC heat and WBC work received by the system for the transformation that changes the system from state B to state C.5 – a – Why is the UCA internal energy variation of the gas zero during the CA transformation? b – Apply the first principle to the ABCA cycle and deduce the WAB work received by the gas during theadiabatic relaxation AB.c – Interpret the WAB sign.
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Refer the Values from Table.
A/ in a static fluid, with y as the vertical direction, the pressure variation is given by:
2. Which first-law bar chart describes the process 3 to 1 shown in the pV diagram? p (atm) 3 Ei WQ Ethi + + A. 0 Isotherm Adiabat + 2 B. 0- 3 0+ 0 -V (cm³) 1000 2000 3000 Ethi WQ Eth C. 0 D. 0- = Ehi+WQ Eht EW+Q Eat
Anideal gas with a mass of 2 kg reversibly and polytropically expands up to 3 times its initial volume in a piston-cylinder assem bly. The temperature of the ideal gas drops from 300° Cto 60° C. (a) If the heat energy inputis 20 kJand the boundary work output is 100 kJ, the specificheats of the gas cv [kJ/ kgK] and find the cp [kJ/ kgK] values. (b) If the heat energy output is 20 kJand the boundary work output is 100 kJ, the specificheats of the gas cv [kJ/ kgK] (c) Find the value k, which is the ratio of specificheats. (d) If the heat energy input is 20 kJ, the boundary work output is 100 kJ and the entropy generation is 0.36 kJ/K, then the thermal energy Calculate the source tem perature as [° C].
what is the correct statement for the total energy by flowing fluid equation choose three answers
Part b only

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Steam enters a condenser at 35 C [P %3D sat @ 35°c 42.21 mm of Hg]. Barometer reading is 760 mm of Hg and vacuum of 690 mm Hg is recorded in the condenser. The vacuum efficiency will be given by: (а) 86.01% (c) 96.10% (b) 82.30% (d) 80.23%