A.100?C
B.128?C
C.133?C
D.137?C
Related Mcqs:
- In a shell and tube heat exchanger, the corrosive liquid is normally passed through
- The process in which no heat enters or leaves the system is called
- 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
- Two parallel opposed, infinite black planes are maintained at 300?C and 400?C respectively. If the temperature difference is doubled by increasing the temperature from 400?C to 500?C, the heat exchange rate will increase by a factor of about
- 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
- Which of the following temperature measuring devices is widely used measure tube side temperature in a shell and tube heat exchanger?
- Which one of the following thermocouples develops least e.m.f. for the same difference of temperature between hot and cold junctions?
- A sphere 15 cm in diameter is covered with 5 cm of insulation (k = 0.057 kcal/m-hr-?C). The inside and outside surface temperature of the insulation are 315?C and 80?C respectively. The heat loss per sq. m of the outside surface will be closer to
- The ratio of heat flow QA/QB from two walls of same thickness having thermal conductivity kA = 2 kB, for the same temperature difference will be
- A heat exchanger that can remove fixed quantity of heat from a system is available where should it be installed for best economy
