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A two-pass shell and tube heat exchanger has an overall conductance l of 450 W/m20 C when used as a condenser for a large air conditioning system. Refrigerant R-134a enters the condenser at 20 kg/ s as a saturated vapor at 70 C and leaves as a saturated liquid. If cooling water enters at a rate of 60 L/s, 10 ° C, determine the outlet temperature of the cooling water and the effective area of the condenser

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MC e R-13ua (60-so . ) = ATsu.go 249 6Xlo)J m언 - lol m

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