<prompt> Principle mode of heat exchange in an infant incubator isRadiationEvaporationConvectionConduction  <response>: WORKING PRINCIPLE : light bulbs heat air in the bottom pa of the incubator,the air passes over a container with evaporating water, so that its humidity increases,the warm, humid air then flows upwards chimney effect into the baby compament Reference: GHAI Essential pediatrics, 8th edition. 