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				| 1. | EXHAUST_GASES_(C_P_=_1.12_K_J/KG_K)_FLOWING_THROUGH_A_TUBULAR_HEAT_EXCHANGER_AT_THE_RATE_OF_1200_KG/HR_ARE_COOLED_FROM_400_DEGREE_CELSIUS_TO_120_DEGREE_CELSIUS._THIS_COOLING_IS_AFFECTED_BY_WATER_(C_P_=_4.18_K_J/KG_K)_THAT_ENTERS_THE_SYSTEM_AT_10_DEGREE_CELSIUS_AT_THE_RATE_OF_1500_KG/HR._IF_THE_OVERALL_HEAT_TRANSFER_COEFFICIENT_IS_500_K_J/M2_HR_DEGREE,_WHAT_HEAT_EXCHANGER_AREA_IS_REQUIRED_TO_HANDLE_THE_LOAD_FOR_COUNTER_FLOW_ARRANGEMENT??$ | 
| A. | 2.758 m<sup>2</sup> | 
| B. | 3.758 m<sup>2</sup> | 
| C. | 4.758 m<sup>2</sup> | 
| D. | 5.758 m<sup>2</sup> | 
| Answer» C. 4.758 m<sup>2</sup> | |