Engineering Thermodynamics The atomic mass of oxygen is 14 18 16 121 14 18 16 121 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures All ranges of pressures Steady change of pressures High range of pressures Only small range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic wall is one which Permits thermal interaction Prevents thermal interaction Encourages thermal interaction Discourages thermal interaction Permits thermal interaction Prevents thermal interaction Encourages thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in steam boilers is Non-coking bituminous coal Peat Coking bituminous coal Brown coal Non-coking bituminous coal Peat Coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + (1/ rγ - 1) 1 + rγ - 1 1 - (1/ rγ - 1) 1 - rγ - 1 1 + (1/ rγ - 1) 1 + rγ - 1 1 - (1/ rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
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