A.Re. 0.162 x
B.Re. 0.324 x
C.Re. 0.054 x
D.Re. 324 x
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
- Overall heat transfer coefficient is proportional to the tube side volumetric flow rate raised to the poer 0.8. This holds only if the ration of the tube side film resistance to the total resistance is nearly
- 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
- The change in temperature resulting from a gas expanding from one constant pressure, with no heat transfer and no external work other than to maintain the constant pressure is known as
- In which of the following heat exchange process, the value of overall heat transfer coefficient will be highest?
- For which fluid combination the value of overall heat transfer coefficient will be least?
- A liquid flowing through a tube is turbulent. In which case will the maximum change in heat transfer coefficient occur?
- Which of the following temperature measuring devices is widely used measure tube side temperature in a shell and tube heat exchanger?
- There metal walls of same cross-sectional area having thermal conductivity in the ratio 1 : 2 : 4 transfer heat at the rate of 15000 kcal/hr. For same thickness of wall, the temperature deop will be in the ratio
- A heat engine works on a Carnot cycle with a heat sink at a temperature of 27?C. The efficiency of the engine is 10%, the temperature of the heat source is
