+ TOP I.C. ENGINES Objective Questions and Answers Pdf MCQsAns: c. In a diesel engine, the fuel is ignited by a spark b injected fuel c heat resulting from compressing air that is supplied for combustion d ignition e combustion chamber. Ans: d. Supercharging is the process of a supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere b providing forced cooling air c injecting excess fuel for raising more load d supplying compressed air to remove combustion products fully e raising exhaust pressure. Ans: a. Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged?
IC Engine Multiple Choice Questions and Answers
Which one of the following cycles has the highest thermal efficiency for given maximum and minimum cycle temperatures? As stirling cycles efficiency is equal to Carnot cycle. For a heat engine operating on the Carnot cycle, the work output is th of the heat transferred to the sink. A heat engine receives kW of heat at a constant temperature of C and rejects kW of heat at 5C. Consider the following thermodynamic cycles in this regard: 1. Carnot cycle 2.
How Gas Compression-ignition Engines Work. Did cars ever have external combustion engines? How does an electric water pump benefit your engine? Engine Questions and Answers. Prev NEXT. Here is a set of engine-related questions from readers and their answers: What is the difference between a gasoline engine and a diesel engine?
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TOP MOST I.C. ENGINES Questions and Answers pdf – Mechanical Engineering In a typical medium speed 4-stroke cycle diesel engine the inlet valve.
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Consist of MCQs from section-B final year mechanical engineering. Internal combustion engines that have compression ignition are called : a. Gasoline engines. Diesel engines. Steam engines.