A gas having a viscosity of 2.04 x10* kg/ms, the thermal conductivity of 0.0293 W/m °C, undergoes an isobaric non-flow heating process at a pressure of „P“ (= 95 x Reg. No.) kPa and temperature changes from 22 °C to „T“ (= 25 + Reg. No.) °C. The specific heat of the fluid is dependent on temperature and is given as C, = 1.44+82/(T+48); where T is in Celcius. During this process, its volume changes from 0.28 m³/kg to 0.658 m³/kg. %3D a. Sketch a schematic of the system along with the chosen system boundary and indicate the directions of various energy/mass flows. (5) b. Show the process on the Pv diagram. (3) c. Determine the amount of heat transfer during the process. (7) d. Estimate the work done during the process. (5) e. Calculate the changes in internal energy and enthalpy of the system. (5)

A gas having a viscosity of 2.04 x10* kg/ms, the thermal conductivity of 0.0293 W/m °C, undergoes an isobaric non-flow heating process at a pressure of „P“ (= 95 x Reg. No.) kPa and temperature changes from 22 °C to „T“ (= 25 + Reg. No.) °C. The specific heat of the fluid is dependent on temperature and is given as C, = 1.44+82/(T+48); where T is in Celcius. During this process, its volume changes from 0.28 m³/kg to 0.658 m³/kg. %3D a. Sketch a schematic of the system along with the chosen system boundary and indicate the directions of various energy/mass flows. (5) b. Show the process on the Pv diagram. (3) c. Determine the amount of heat transfer during the process. (7) d. Estimate the work done during the process. (5) e. Calculate the changes in internal energy and enthalpy of the system. (5)

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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Q-4
A gas having a viscosity of 2.04 x10° kg/ms, the thermal conductivity of 0.0293 W/m °C, undergoes an
isobaric non-flow heating process at a pressure of „P“ (= 95 × Reg. No.) kPa and temperature changes from
22 °C to „T“ (= 25 + Reg. No.) °C. The specific heat of the fluid is dependent on temperature and is given
as C, = 1.44+82/(T+48); where T is in Celcius. During this process, its volume changes from 0.28 m³/kg
to 0.658 m³/kg.
a. Sketch a schematic of the system along with the chosen system boundary and indicate the directions
of various energy/mass flows. (5)
b. Show the process on the Pv diagram. (3)
c. Determine the amount of heat transfer during the process. (7)
d. Estimate the work done during the process. (5)
e. Calculate the changes in internal energy and enthalpy of the system. (5)

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