Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that There is no internal heat generation Boundary surfaces are isothermal Material is anisotropic Constant temperature gradient exists There is no internal heat generation Boundary surfaces are isothermal Material is anisotropic Constant temperature gradient exists ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. the least no lower the largest the least no lower the largest ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Is a dimensionless quantity Does not provide a safety factor for design Accounts for additional resistances to heat flow None of these Is a dimensionless quantity Does not provide a safety factor for design Accounts for additional resistances to heat flow None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Wavelength of radiation Nature of the body None of these Temperature of the body Wavelength of radiation Nature of the body None of these Temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B Velocity of circulation Neither A and B Liquor-film co-efficient Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Both B and C Can be reflected by a mirror Can not pass through vacuum Travel in straight line Both B and C Can be reflected by a mirror Can not pass through vacuum Travel in straight line ANSWER DOWNLOAD EXAMIANS APP