Answer to Question #183633 in Mechanical Engineering for randz

Question #183633

6. The working substance for a Carnot cycle is 8 lb m of air. The volume at the beginning of isothermal

compression is 9 ft 3 and the pressure is 300 psia. The ratio of expansion during the addition of heat is

2 and the temperature of the cold body is 90 o F. Find: a) Q A and Q R (BTU), b) V 3 and P 3 , c) V 4 and P 4 , d) mean effective pressure (psia).


1
Expert's answer
2021-04-29T07:58:00-0400

a)


"Q_A=346.4\\ Btu\\\\Q_R= -209.1 Btu"

b)


"V_3=63.57\\ ft^3\\\\p_3=25.64\\ psia"

c)


"V_4=31.79\\ ft^3\\\\p_4=51.28\\ psia"

d)


"p_m=13.59\\ psia"


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS