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				| 1. | A steam condenser is transferring 250 k W of thermal energy at a condensing temperature of 65 degree Celsius. The cooling water enters the condenser at 20 degree Celsius with a flow rate of 7500 kg/hr. If overall heat transfer coefficient for the condenser surface is 1250 W/m2 K, what surface area is required to handle this load? | 
| A. | 4.08 m<sup>2</sup> | 
| B. | 5.08 m<sup>2</sup> | 
| C. | 6.08 m<sup>2</sup> | 
| D. | 7.08 m<sup>2</sup> | 
| Answer» E. | |