Which one of these is not true when the steady state is reached by th – McqOptions

MCQOPTIONS

1.	Which one of these is not true when the steady state is reached by the heat exchanging fluids in a double pipe HE?
A.	When the two liquids have same temperature
B.	When their temperatures become stable
C.	Wall temperature becomes constant
D.	Rate of heat transfer becomes constant
Answer» B. When their temperatures become stable

Discussion

No Comment Found

Related MCQs

What is the unit of Fouling factor (Rf) in S.I. system?
What do you understand by Rfo and Rfi?
In a double pipe heat exchanger, in the inner side fluid enters at 15℃ and leaves at 65℃. The annulus has steam at 1atm. What is the value of LMTD?
To calculate the temperature difference in a double pipe heat exchanger, we use _____
Which one of the following is true about a hairpin used in double pipe HE?
The density of the fluids, its viscosity and the thermal conductivity (K) is measured at ______
We can apply LMTD only when?(i) There is no change in Specific heats(ii) Overall heat transfer coefficient is constant(iii) No heat loss(iv) No pressure drop
We can use mean temperature difference too in place of LMTD if we can calculate it.
Which one of these is not true when the steady state is reached by the heat exchanging fluids in a double pipe HE?
Which one of the following is the determining reason for heat transfer in double pipe HE?