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 farm machinery used to sow seeds and apply…Calculate the heat energy required to vaporize 50g…0.5kg of water at 10ºC is completely converted to…Calculate the quantity of heat needed to change the…An immersion heater rated 400W, 220V is used to heat…