The farm machinery that does not have the heat engine is? by Sunday | Jun 9 | Agricultural Science WAEC | 0 comments A. tractor B. bulldozer C. mower D. combined drill Correct Answer: Option D – combined drill Users Also Read These:The engine of a train produces a force of 3000N when…An immersion heater is rated 120W. How long does it…0.5kg of water at 10ºC is completely converted to…The farm practices that does not have a very harmful…Ice of mass 10g at 5ºC was completely converted to…