A.infinite
B.unity
C.zero
D.twenty
Related Mcqs:
- A dimensionless heat transfer coefficient which gives a measure of the ratio of the heat transfer rate to the rate at which heat would be conducted within the fluid under a temperature gradient is known as
- The ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid is known as
- A liquid flowing through a tube is turbulent. In which case will the maximum change in heat transfer coefficient occur?
- At Rs. X per kWh how much will it cost to maintain a temperature of 35?C for 24 hours in a box 0.5 m square on each side if the outside temperature is 20?C and the overall heat transfer coefficient for the box is 0.6 W/(m2 K)
- A dimensionless number which is the ratio of mass heat flow rate to the heat flow rate by conduction under a unit temperature gradient and through a thickness L is known as
- For an ideal gas the value of Joule Kelvin coefficient is
- In which of the following heat exchange process, the value of overall heat transfer coefficient will be highest?
- Which of the following temperature measuring devices is widely used measure tube side temperature in a shell and tube heat exchanger?
- For which fluid combination the value of overall heat transfer coefficient will be least?
- For identical feed composition, flow rate, conversion and for zero-order reactions the ration of the volume of mixed reactor to the vomume of plug flow reactor is