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:An immersion heater rated 400W, 220V is used to heat…A bus driver operating between Lagos and Jos pledged…Heat may be transferred by conduction, convection…Ice of mass 10g at 5ºC was completely converted to…A solid of mass 0.5kg initially at 50oC melts at…