Identify the correct expression for effectiveness Options: A . &nbsp4 – exponential (- NTU) B . &nbsp3 – exponential (- NTU) C . &nbsp2 – exponential (- NTU) D . &nbsp1 – exponential (- NTU)

Identify the correct expression for effectiveness

Question

Identify the correct expression for effectiveness

Options:

A . 4 – exponential (- NTU)

B . 3 – exponential (- NTU)

C . 2 – exponential (- NTU)

D . 1 – exponential (- NTU)

Answer: Option D
Answer: (d).1 – exponential (- NTU)

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Question 1. In a gas turbine recuperator, the expression for effectiveness for the parallel flow configuration reduces to....

Question 2. What is the maximum efficiency for parallel flow heat exchanger?....

Question 3. In a gas turbine recuperator, the capacity ratio becomes....

Question 4. The curve of effectiveness versus NTU parameters indicates the relationship between (i) Effectivenes (ii) NTU MAX (iii)....between (i) Effectivenes (ii) NTU MAX (iii) C MIN/C MAX Identify the correct statements

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Question 6. 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 4....is required to handle the load for parallel flow arrangement?

Question 7. A company is heating a gas by passing it through a pipe with steam condensing on the outside. What percentage change in ....needed if it is proposed to triple the heating capacity?

Question 8. For what value of end temperature difference ratio, is the arithmetic mean temperature difference 5% higher than the log....mean temperature difference 5% higher than the log-mean temperature difference?

Question 9. A steam condenser is transferring 250 k W of thermal energy at a condensing temperature of 65 degree Celsius. The coolin....K, what surface area is required to handle this load?

Question 10. 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 4....is required to handle the load for counter flow arrangement?

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