Which of the following is not a classification based on Construction of the heat Exchanger?
Heat Transfer Operations MCQ Practice
Packed Beds are one of the most common heat exchangers because of its very ______
What is Critical radius of insulation?
In a ___________ heat exchanger, both fluids flow alternatively through the same flow passages, and hence heat transfer is intermittent.
When gas is used as a fluid in a double pipe heat exchanger, which one of the following is not true?
Which of the following is not a characteristic of a Direct-Contact Exchanger?
Given the convective heat transfer Coefficient of the inner surface to be 15W/m2K, OD = 30mm and ID = 25mm. Find the outer surface heat transfer coefficient.
To calculate the efficiency of a double pipe heat exchanger, the formula is
Why do we use counter-flow operation on gasketed type Heat Exchanger?
Which of the following is not a property of Plate type heat exchangers?
Which of the following is a correct statement about Plate -Fin heat exchanger?
How is a Plate-type HE better than a Shell and tube HE, one of the following is not correct.
What limitations does Gaskets pose on Gasketed type HE?
Which is the major mean of heat transfer in a Double Pipe heat exchanger?
When we calculate the overall heat transfer coefficient U= \(\frac{X×ho}{X+ho}\), what is the value X?
How many times do we have to calculate for Nusselt number in a Double Pipe Heat Exchanger?
When a fluid is used in a Shell and Tube heat exchanger, which one of the following is not true?
Fins primarily increase the ______
Which of the following are not affected by adding Fins?
Which of the following statements are not true about fouling in a Heat Exchanger?
If we know the output and input temperatures of the heat exchanging fluids, then which one of the following calculation is not required to determine the number of bends in tube for the equipment?
Which one of these is not true when the steady state is reached by the heat exchanging fluids in a double pipe HE?
If the Heat Transfer area for a Shell and tube heat exchanger is 15100mm2, and the radius of the tubes is 30mm, then what is the number of hairpins required if its single pass length is 4cm?
If UD = Overall Dirt Heat Transfer coefficient and Uc = Overall Clean Heat Transfer coefficient, then which of the following relation is correct?
To which side given below should we add fins?
By increasing the fin density, the heat transfer coefficient associated with fins__________
Adding fins inside the tube, that is for the tube side usually ________ the heat transfer coefficient.
Heat transfer in Agitated Vessels can be carried out by two methods they are ____________
The heat transfer coefficient ________ with increasing flow rate.
For very high dp/di, the mixing is very large and the heat transfer coefficient is ______