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spark plug to ignite an air-fuel mixture. 1.1.1.1) A two-stroke, two-cycle, or two-cycle engine is a type of internal combustion engine which completes a power cycle in only one crankshaft revolution and with two strokes, or up and down movements, of the piston in comparison to a "four-stroke engine", which uses four strokes. This is accomplished by the end of the combustion stroke and the beginning of the compression stroke happening simultaneously and performing the intake and exhaust (or scavenging) functions at the same time. 1.1.1.2) A four-stroke engine (also known as four-cycle) is an internal combustion engine in which the piston completes four separate strokes which comprise a single thermodynamic cycle. A stroke refers to the full travel of the piston along the cylinder, in either direction. While risqué slang among some automotive enthusiasts names these
1 Frequent oil and filter changes are the most spanner (see illustration). If possible, try to engine. If it has, carefully remove it. important preventative maintenance keep the plug pressed into the sump while 10 Apply a light coating of clean oil to the procedures that can be undertaken by the DIY unscrewing it by hand the last couple of turns. sealing ring on the new filter, then screw it into owner. As engine oil ages, it becomes diluted As the plug releases from the threads, move it position on the engine. Tighten the filter firmly and contaminated, which leads to premature away sharply so the stream of oil issuing from by hand only - do not use any tools. Wipe engine wear
Märt Leppik AT13 17.09.09 Comparison of diesel and petrol engine Similarities Both engines have a similar combustion cycle. The cycle is four strokes long. The strokes are the intake stroke, the compression stroke, the combustion stroke, and the exhaust stroke. During the intake stroke, the piston moves down in time with the opening of the intake valve. This allows the cylinder to become full of an air and gas mixture. This mixture is compressed during the compression stroke, which increases the compression pressure at which the gas mixture will be ignited, or self-ignited. The combustion stroke is the stroke following the explosion of the mixture, and this stroke is what powers the car. It is this stroke that powers the crankshaft, and allows for the car to move. The final stroke is the exhaust stroke. The exhaust valve opens when the piston hits the bottom, and the piston pushes the exhaust out
of segments mounted in a thrust shoe on either side of the thrust collar. The thrust shoes are held in place by means of two crossbars. The thrust bearing is lubricated from the low pressure lubrication system of the engine. The turning gear is attached to the engine bedplate and is driven by an electric geared motor. Through a worm gearing and a planetary gearing, the geared motor drives a horizontal shaft equipped with a gear wheel which can be axially displaced by means of a hand wheel, so that to engage with the turning wheel of the engine. VOCABULARY semi-built kokkupandud, kokkupandav shrink (shrank, shrunk) kuumpressima (otsa asetama) crank/throw vänt web vända õlg crankpin kepsukael; vändatapp ; crank journal väntvõlli kael branch hargnema, harunema turning wheel veetav ratas thrust collar tugikrae chain wheel ketiratas ,
Since the invention of the internal combustion engine, automotive engineers, speed junkies and racecar designers have been searching for ways to boost its power. One way to add power is to build a bigger engine. But bigger engines, which weigh more and cost more to build and maintain, are not always better. Another way to add power is to make a normal-sized engine more efficient. You can accomplish this by forcing more air into the combustion chamber. More air means more fuel can be added, and more fuel means a bigger explosion and greater horsepower. A turbo/supercharged engine produces more power overall than the same engine without the charging. Both superchargers and turbochargers do this. The difference between the two devices is their source of energy . TURBOCHARGER When people talk about race cars or high-performance sports cars, the topic of turbochargers usually comes up. Turbochargers also appear on large diesel engines. A turbo can significantly boost an engine's horsepowe
31. Brake system pidurisüsteem 32. To direct juhtima 33. Even numbers Paarisarvud 34. To arrange in line Paigutama reas 35. Inline engine reasmootor 36. Awkward kohmakas 37. To split in two jaotama kaheks 38. To arrange in a vee Paigutama V-kujuliselt 39. V-engine V-mootor 40. To lay flat paigutama lamedalt 41. Flat engine lamamootor 42. Boxer engine boksermootor 43. Sophisticated Keerukas 44. Piston Kolb 45. Downward stroke Allapoole laskuv takt 46. To suck (in) (sisse) imema 47. Mixture of fuel and air Kütuse ja õhu segu 48. To compress Kokku suruma 49. To ignite süütama 50. To explode plahvatama 51. To expand paisuma 52. To force Sundima 53. To provide võimaldama, valmistama 54. Power stroke töötakt 55. Sequence järjestus 56. Exhaust heitgaas 57. Shaft võll 58. Drive hoog ; käivitus 59. Gear ülekandeseade 60. Revolutions per minute = rpm Pööret minutis
Tartus secondary school of business Nuclear Power Helena Nulk form 11b Tartu 2009 Table of contents Introduction..........................................................................................................................................3 What is nuclear power?....................................................................................................................3 Nuclear life cycle.............................................................................................................................3 What is nuclear energy?...................................................................................................................3 What is nuclear fusion?....................................................................................................................4 What is nuclear fission?..................................
est. In most cases, the essential number that needs to be known is the number of bits of precision required to measure or control something. As an example, say that we want to measure temperatures between 0°C and 100°C. If we want to measure with 1°C accuracy, we would need 100 discrete values to accomplish this. An 8-bit analog-to-digital converter (ADC) can divide an input voltage into 256 discrete values, so this system would only need 8 bits of precision. On the other hand, what if we want to measure the 1 same temperature range with .1°C accuracy? Now we need 100/.1, or 1000 discrete values, and that means a 10-bit ADC (which can produce 1024 dis- crete values). Voltage Precision The number of bits required to measure our example temperature range is dependent on the range of what we are measuring (temperature, voltage, light intensity, pressure, etc
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