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:To keep a vehicle moving at a constant speed V…Which of the following farm practices does not have…An engine raises 1000kg of water through a height of…An immersion heater rated 400W, 220V is used to heat…Ice of mass 10g at 5ºC was completely converted to…