The engine operating at the conditions in Example Problem 2-3 has a combustion efficiency of 97%. Problem 2-3 Calculate: (a) Rate of unburned hydrocarbon fuel which is expelled into the exhaust system. [kg/hr] (b) Specific emissions of He. [(gm/kW-hr] (c) Emissions index of He A four-cylinder, 2.4-liter engine operates on a four-stroke cycle at 3200 RPM. The com-pression ratio is 9.4:1, the connecting rod length r

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?