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.Management Sciences
A. Wavelength of radiation
B. Surface temperature of the body
C. Nature of the surface
D. Shape and porosity of the body
Related Mcqs:
- What is the geometric mean of two heat transfer areas A1 and A2 ?
- A. √(A1 . A2) B. √(A1 + A2) C. ½ √(A1 . A2) D. 2 √(A1 . A2)...
- A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when_________________?
- A. CPA > CPB B. CPA < CPB C. kA < 0.5 kB D. kA >2 kB...
- Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger ?
- A. Corrosiveness & fouling characteristics B. Pressure C. Viscosity D. Density...
- The main purpose of providing fins on heat transfer surface is to increase the_________________?
- A. Temperature gradient B. Mechanical strength of the equipment C. Heat transfer area D. Heat transfer co-efficient...
- Convective heat transfer, in which heat is transferred by movement of warmed matter is described by___________________?
- A. Fourier’s law B. Newton’s law of cooling C. Fick’s law D. None of these...
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