44) Film coefficient is defined as Inside diameter of tube
Answer is:
Thermal conductivity Equivalent thickness of film Specific heat x Viscocity
Related Heat transfer MCQ with Answers
Answer is:
thermal conductivity
Answer is:
intensity of radiation
Answer is:
is equal to its emissivity
Explanation:
A grey body is defined as one whose absorptivity of a surface does not vary with temperature and wavelength of the incident radiation. In other words, if the ratio of emission of a body to that of a black body at a given temperature is constant for all wavelengths, then the body is called a grey body.