AGRICULTURAL POWER, MACHINERY, AND ALLIED SUBJECTS GRADED A

AGRICULTURAL POWER, MACHINERY, AND ALLIED SUBJECTS GRADED A An engine that burns fuel inside the cylinder. internal combustion engine Part of engine that which slides up and down the cylinder and transmits power to the crankshaft. Piston Amount of power that the manufacturer specified for an engine. Rated Horsepower Distance of movement piston from the top dead to the bottom dead center. Reduction of engine speed or flow of fuel. Throttling A device which uses fluid power to produce mechanical force and motion. Stroke Actuator A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet. Atomization A device that is used to actuate the throttle of an engine to increase its speed. Usable power delivered by the engine Brake horsepower Accelerator A device that meter the fuel air and mixes them into harmonious mixture before the mixture enters the combustion chamber of an engine. Carburetor A device that permits the flow of fuel and of burned gases in one direction only. Check valve An internal combustion engine that produces power in one revolution of the crankshaft. stroke cycle A device that provides ignition to a gasoline engine. Spark plug Two During the power stroke, which of the following valve is open? Number of spark plugs for 6 cylinder diesel engine The volume displaced by a piston in making upward and downward stroke. volume Piston displacement At the downward stroke of two-stroke cycle, which of the events are taking place. The ratio of the clearance volume from the total volume. Power transmitted to the pistons by the gas in the cylinder Compression Ratio Indicated horsepower Suppose a 4-cylinder engine has a bore of 3.5 in. and a stroke of 4.0 in., what is the engine displacement. 154 in3 An engine has piston displacement of 38.4 in3. If the clearance volume of the cylinder is 2.5 in3, what is the compression ratio? 1:16 50 explosions Number of explosion of piston on a single cylinder, four stroke cycle engine in 100 revolution of the crankshaft. A device that connects and disconnects power input to the power output. The space when the piston is at the top dead center Clearance volume How many piston strokes are there in one revolution of a crankshaft. Clutch Two Engine having fuel injected into the combustion chamber near the end of the combustion stroke and is ignited by heat of compression only. Diesel Number of times the exhaust valve opens in 2-stroke cycle engine running at 2000 rpm. What is the indicated horsepower, of a four-stroke, six-cylinder engine having a 4" bore and 4" stroke. The engine speed is 1500 rpm and the mean effective pressure is 80 psi. 45 hp The sequence by which the cylinder delivers the power stroke. Engine that burns fuel outside the cylinder. Firing order External combustion engine At the intake stroke of a diesel engine, what come in? A device that creates ignition of fuel in a diesel engine. Air Piston Two pistons running at the same time in the same direction but performing different strokes. Running mate How many times the intake valve opens in 4 stroke-cycle engine running at 2000 rpm. Firing order of 4-cylinder engine. Clutch 1-3-4-2 1000 times A device which connects or disconnects engine crankshaft to the transmission box or driven machine. Firing order for 6-cylinder engine straight and V-piston. Firing order for 8-cylinder V piston 1-8-7-3-6-5-4-2 Engine mechanical efficiency. 1-6-8-4-3-2-7-5 Brake horsepower over indicated horsepower 100 times Number of times the intake valve opens in a single-cylinder four-stroke cycle after completing 200 revolutions. What is the mechanical efficiency of an engine having a brake horsepower of 8 hp and an indicated horsepower of 10 hp? 80% Part of an engine that converts reciprocating motion into rotary motion. Engine system that reduces the temperature of the cylinder. Crankshaft Cooling System System of number indicating the ignition quality of diesel fuel. Twenty-hp engine is equal to. Engine Cetane rating A substance that decreases the effect of friction and which is commonly obtained from petroleum