How many degrees of crankshaft travel until the exhaust valve open after ignition? (in degrees)
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How many degrees of crankshaft travel until the exhaust valve open after ignition? (in degrees)
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- The following data relate to a single-cylinder reciprocation engine:Describe with the aid of diagrams the operational sequence of four stroke spark ignition and four stroke compression ignition engines note:Use whatever laws or graphics you need to illustrate the answer(1): We can classify IC engine into two categories on the basis of number of stroke for each cycle. Two stroke engine: In two stroke engine suction and compression takes place in 180 degree rotation of the crank which is counted as one single stroke and power and exhaust stroke takes place during the second stroke of the engine. Four stroke engine: In four stroke engine all the four processes takes place with different different strokes so total angle of rotation of the cranks will be 720 degree which consists of two full rotation of the crank.
- 3. A 2-stroke, double-acting, 2L engine is run at speed of 4200 rpm. The volume displacement is, a 0.25 b 0.28 c 0.35 d 0.42I am having a hard time understanding C-E on this problem. For C, I know that Th>Ti>Tc. Does that mean that since ec= 1-Tc/Th and Tc is the lowest temp of the system, that it is indeed more efficient with both engines? The other ones, I just don't know where to start. Any help or explantions would be appreciated!Explain the working of two-stroke, gasoline-driven internal combustion engine?
- Briefly explain the determination of gas pressure excitations in a 4-stroke engine.Draw and explain four strokes of Otto cycle based internal combustion engine. Also label various components.While discussing the compression ratios used with engines equipped with a GDI system: Technician A says that higher ratios can be used because ignition timing is normally very advanced. Technician B says that higher ratios are possible because the small droplets of fuel injected directly into the cylinder tend to cool the mixture in the cylinder. Who is correct?a.tech a b.tech b c. Both a and b d. Neither a nor b
- In 4-stroke Cl engines, the ignition induced by O hot coolant. O lubrication oil. O exhaust valve. O fuel tank. O spark plug. O high temperature due to high pressure ratio.13. A four-cycle six cylinder diesel engine of 4 % in bore and 6-in stroke running at 1200 rpm, has 9 percent CO, present in the exhaust gases. The fuel consumption is 28 lb/hr. Assuming that 13.7 percent CO2 indicates an air-fuel ratio of 15 Ib of air to 1 ib of fuel, calculate the volumetric efficiency of the engine. The intake air temperature is 60 deg. F and the barometric pressure is 29.80 in of Hg. A. 83% B. 81% C. 87% D. 92% 50Hi can you please help me with this question and its subparts? Please draw a schematic of the piston-cylinder device to start as well. I would like to understand visually how this works and then, the Carnot cycle as that is a brand new concept.