What do you understand by lean burn mixture and stratified charge engine? Indicate their advantages
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What do you understand by lean burn mixture and stratified charge engine? Indicate their advantages
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- Briefly discuss about the necessity of pressure pick, check amplifier in an I.C engine. (b) What do you understand by lean burn mixture and stratified charge engine? Indicate their advantages.Calculate the exhaust gas composition of a butane-fuelled spark-ignition engine operating with equivalence ratio of 0.9. Assume the fuel is fully burned within the cylinder. Butane is C4H10.Draw and explain four strokes of Otto cycle based internal combustion engine. Also label various components.
- What thermodynamic cycle in realised in the internal combustion engines?define the concept of Combustion or reaction efficiency in thecontext of an ICE hybrid engineKeeping in view the engine durability, fuel consumption, and power density, as well as noise and emission performance, why normal combustion is important in IC Engines?
- Describe a 4-stroke compression ignition engine operation with neat sketches.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 answerExplain the following about steam-mhd with open cycle plant: cool it down - Generation Efficiency - Plasma speed
- a. What is the specific brake work (kJ/kgfuel) of a 4 L single-cylinder propane engine operating stoichiometrically, if the heat transfer to the coolant is 17 kW, the air and fuel enter the engine at 298 K, the exhaust is 700 K, and the propane mass flow rate is 1.2 g/s? b. A four-stroke 6 L engine is fueled lean with methane at an equivalence ratio ? = 0.8. It operates at 2000 rpm with a volumetric efficiency of 0.80. The exhaust temperature is 800 K, and the heat transfer to the coolant is 3.4 ×105 kJ/kmolfuel. What is the engine’s thermal efficiency and power?Q#5: Briefly explain the following, a. Function of electrical system in a vehicle. b. In future which type of car/vehicle will replace the existing vehicles and why? c. Compare cars powered by conventional engine, Fuel cell, hybrid and electrical. d. Why do we need Transmission system in various power plants and vehicles? e. What is Rankine cycle and how it is created from modification in Carnot Cycle, elaborate with the help of diagram?Seeing how systems with more than one engine work together could help group them.