(For numbers 4 to 10) A double-pipe heat exchanger (counterflow operation) having an area of 100 m' is used to heat 5 kg/s of water that enters the heat exchanger at 50 °C. The heating fluid is oil...

(For numbers 4 to 10) A double-pipe heat exchanger (counterflow operation) having an area of 100 m' is used to heat 5 kg/s of water that enters<br>the heat exchanger at 50 °C. The heating fluid is oil having a specific heat of 2.1 kJ/kg.°C and a flow rate of 8 kg/s. The oil enters the exchanger<br>at 100 °C and the overall heat-transfer coefficient is 120 W/m2 C.<br>4. Which fluid has the Cmar?<br>a. Water<br>b. Dil<br>c. Both are equal<br>d. Can't be determined<br>5. What is the value of the Coin?<br>a. 8.786<br>b. 16.80<br>C.<br>20.92<br>d. 40.00<br>6. What is the heat exchanger effectiveness?<br>a. 0.3486<br>b. 0.3778<br>C.<br>0.3959<br>d. 0.4341<br>7. What is the rate of heat transfer?<br>a. 292.80 kW<br>b. 317.37 kW<br>C. 332.52 kW<br>d. 364.56 kW<br>

Extracted text: (For numbers 4 to 10) A double-pipe heat exchanger (counterflow operation) having an area of 100 m' is used to heat 5 kg/s of water that enters the heat exchanger at 50 °C. The heating fluid is oil having a specific heat of 2.1 kJ/kg.°C and a flow rate of 8 kg/s. The oil enters the exchanger at 100 °C and the overall heat-transfer coefficient is 120 W/m2 C. 4. Which fluid has the Cmar? a. Water b. Dil c. Both are equal d. Can't be determined 5. What is the value of the Coin? a. 8.786 b. 16.80 C. 20.92 d. 40.00 6. What is the heat exchanger effectiveness? a. 0.3486 b. 0.3778 C. 0.3959 d. 0.4341 7. What is the rate of heat transfer? a. 292.80 kW b. 317.37 kW C. 332.52 kW d. 364.56 kW

Jun 08, 2022

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(For numbers 4 to 10) A double-pipe heat exchanger (counterflow operation) having an area of 100 m' is used to heat 5 kg/s of water that enters the heat exchanger at 50 °C. The heating fluid is oil...

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