- Cut-off is decreased
- Cut-off is constant
- Cut-off is increased
- Cut-off is zero
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When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency?
Answer: Option 2 Let'
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When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.?
Answer: Option 1 Let'
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Carnot cycle efficiency is maximum when?
Answer: Option 2 Let'
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Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.?
Answer: Option 3 Let'
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When did Otto I secure recognition of his title?
Answer: Option 2 Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great, was German king from 936 and Holy Roman Emperor from 962 until...
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The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)?
Answer: Option 3 Let'
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The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency)?
Answer: Option 1 Let'
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Various efficiencies of a centrifugal pump are related as (where, ηm = mechanical efficiency ηv = volumetric efficiency. ηma = manometric efficiency ηo = overall efficiency)?
Answer: Option 2 Let'
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Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem?
Answer: Option 4 Phosphorus cycle is a sedimentary biogeochemical cycle. It describes the lithosphere, hydrosphere and biosphere and the main reservoir pool is lithosphere.
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There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would?
Answer: Option 3 There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure...
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