<prompt> Which or the following is the principal mode of heat exchange in an infant incubator?RadiationEvaporationConvectionConduction  <response>: Convection warmed incubators are being routinely used for thermal regulation of the premature neonates ambient air. Ref: Essential Pediatrics By O P Ghai, 6th Edition, Page 154; Maternal, Neonatal and Womens Health Nursing, By Lynna Y. Littleton, Joan Engebretson, 2002, Volume 1, Page 1145 