Maurice Tutor

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About Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 1 Day Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 30 Jan 2018 My Price 7.00

spring-loaded piston

Air in a spring-loaded piston/cylinder setup has a pressure that is linear with volume, P = A + BV. With an initial state of P = 150 kPa, V = 1 L and a final state of 800 kPa, V = 1.5 L, it is similar to the setup in Problem 3.48. Find the work done by the air.

Problem 3.48

A piston/cylinder assembly contains 2 kg of liquid water at 20â—¦C and 300 kPa, as shown in Fig. P3.48. There is a linear spring mounted on the piston such that when the water is heated, the pressure reaches 3 MPa with a volume of 0.1 m3.

a. Find the final temperature.

b. Plot the process in a P–v diagram.

c. Find the work in the process.

2. Heat transfer to a 1.5-kg block of ice at −10◦C melts it to liquid at 10◦C in a kitchen. How much work does the water gives out?

Answers

Maurice Tutor
(5)
Status NEW Posted 30 Jan 2018 10:01 PM My Price 7.00

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