Search
.Management Sciences
A. both the fluids at inlet (of heat ex¬changer where hot fluid enters) are in their coldest state
B. both the fluids at inlet are in their hot¬test state
C. both the fluids .at exit are in their hottest state
D. one fluid is in hottest state and other in coldest state at inlet
E. any combination is possible depending on design of heat exchanger
Related Mcqs:
- Thermal conductivity of solid metals with rise in temperature normally___________________?
- A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. unpredictable...
- Thermal conductivity of a material may be defined as the________________?
- A. quantity of heat flowing in one second through one cm cube of material when opposite faces ^re maintained at a temperature difference of 1°C B. quantity of heat flowing in one second through a slab of the material of area one cm square, thickness 1 cm when its faces differ in temperature by 1°C … Thermal conductivity of a material may be defined as the________________?Read More...
- In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by___________________?
- A. convection B. radiation C. conduction D. both convection and conduction E. none of the above...
- The unit of overall coefficient of heat transfer is___________________?
- A. kcal/m2 B. kcal/hr °C C. kcal/m2 hr °C D. kacl/m hr °C E. kcal/m3 hr °C...
- The emissive power of a body depends upon its___________________?
- A. temperature B. wave length C. physical nature D. all of the above E. none of the above...
Recent Comments