A cooking smoker, used to cook meats, works allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.