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.Management Sciences
A. Wien’s law
B. Planck’s law
C. Stefan’s law
D. Fourier’s law
E. Kirchhoff’s law
Related Mcqs:
- When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?
- A. conduction B. convection C. radiation D. conduction and convection E. convection and radiation...
- Thermal conductivity of air with rise in temperature__________________?
- A. increases B. decreases C. remains constant D. may increase or decrease depending on temperature E. none of the above...
- Film coefficient is defined as Inside diameter of tube________________?
- A. Equivalent thickness of film B. Thermal conductivity Equivalent thickness of film Specific heat x Viscocity C. Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity D. Film coefficient x Inside diameter Thermalconductivity E. none of the above...
- Joule sec is the unit of_________________?
- A. universal gas constant B. kinematic viscosity C. thermal conductivity D. Planck’s constant E. none of the above...
- Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by ___________________?
- A. convection B. free convection C. forced convection D. radiation E. radiation and convection...
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